28639968 (number)

28639968 is an even 8-digits composite number following 28639967 and preceding 28639969. In scientific notation, it is written as 2.8639968 × 10^7. The sum of its digits is 51. It has a total of 10 prime factors and 192 positive divisors. There are 7299072 positive integers (up to 28639968) that are relatively prime to 28639968.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred thirty-nine thousand nine hundred sixty-eight

Notation

Scientific notation 2.8639968 × 10^7
Engineering notation 2.8639968 × 10^6

Prime Factorization of 28639968

Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 7 × 17 × 23 × 109

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 1789998
Product of the distinct prime numbers

The prime factorization of 28639968 is 2 × 2 × 2 × 2 × 2 × 3 × 7 × 17 × 23 × 109. Since it has a total of 10 prime factors.

Most popular turbo-numbers

10, 4, 27, 61, 234, 398, 1699, 7321, 49209, 8624, 323587, 906410, 3018492, 8528986, 18425686, 43974202, 1100921, 589492602, 3031861103, 5939556464

Basic calculations (n = 28639968)

Multiplication

n×y
n×2 57279936
n×3 85919904
n×4 114559872
n×5 143199840

Division

n÷y
n÷2 14319984
n÷3 9546656
n÷3 7159992
n÷5 5727993.6

Exponentiation

ny
n2 820247767041024
n3 2.3491869800126E+22
n4 6.7280639933579E+29
n5 1.9269153747172E+37

Nth Root

y√n
2√n 5351.6322743627
3√n 305.95496795568
4√n 73.154851338532
5√n 31.002342202412

Divisors of 28639968

1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 23, 24, 28, 32, 34, 42, 46, 48, 51, 56, 68, 69, 84, 92, 96, 102, 109, 112, 119, 136, 138, 161, 168, 184, 204, 218, 224, 238, 272, 276, 322, 327, 336, 357, 368, 391, 408, 436, 476, 483, 544, 552, 644, 654, 672, 714, 736, 763, 782, 816, 872, 952, 966, 1104, 1173, 1288, 1308, 1428, 1526, 1564, 1632, 1744, 1853, 1904, 1932, 2208, 2289, 2346, 2507, 2576, 2616, 2737, 2856, 3052, 3128, 3488, 3706, 3808, 3864, 4578, 4692, 5014, 5152, 5232, 5474, 5559, 5712, 6104, 6256, 7412, 7521, 7728, 8211, 9156, 9384, 10028, 10464, 10948, 11118, 11424, 12208, 12512, 12971, 14824, 15042, 15456, 16422, 17549, 18312, 18768, 20056, 21896, 22236, 24416, 25942, 29648, 30084, 32844, 35098, 36624, 37536, 38913, 40112, 42619, 43792, 44472, 51884, 52647, 59296, 60168, 65688, 70196, 73248, 77826, 80224, 85238, 87584, 88944, 103768, 105294, 120336, 127857, 131376, 140392, 155652, 170476, 177888, 207536, 210588, 240672, 255714, 262752, 280784, 298333, 311304, 340952, 415072, 421176, 511428, 561568, 596666, 622608, 681904, 842352, 894999, 1022856, 1193332, 1245216, 1363808, 1684704, 1789998, 2045712, 2386664, 3579996, 4091424, 4773328, 7159992, 9546656, 14319984, 28639968

192 divisors

τ Total Divisors 192
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28639967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0052083333333333
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 192
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28639968 can be divided by 192 positive divisors. The sum of these divisors (counting 28639968) is 1, the average is 0.0052083333333333.

Base conversion 28639968

Base System Value
2 Binary 1101101010000001011100000
3 Ternary 1222220001122120
4 Quaternary 1231100023200
5 Quinary 24312434333
6 Senary 2501504240
8 Octal 155201340
10 Decimal 28639968
12 Duodecimal 9712080
16 Hexadecimal 1b502e0
20 Vigesimal 8ijji8
36 Base36 h1uqo

Cryptographic Hash Functions

md5 e26d0c65bad5afc5480e540b8dd10f93
sha1 c7d4ab9b0dc3ce8c0f6070d89639ecd247056ae3
sha256 d6f16a0d80137a9c382cc3f29a19d56264959e3cba378e0b27cdba1d5dad3f8f
sha512 758e4ff629d9587a2098882ed0e647cde0691e4ae90135df8df955f2ce7cda2a0d6ecd062265aaa0c5b1bb54f78ba1d39029057e6a1fd85936d2e2a593b22333
ripemd-160 0e7edcdd3980a73e18f5d38594682cbf7e9605a1

28639968 as geometric shapes

Circle

Radius = n
Diameter 57279936
Circumference 179950226.13569
Area 2.5768843590595E+15

Sphere

Radius = n
Volume 9.8402514110887E+22
Surface area 1.0307537436238E+16
Circumference 179950226.13569

Square

Length = n
Perimeter 114559872
Area 820247767041024
Diagonal 40503031.171531

Cube

Length = n
Surface area 4921486602246144
Volume 2.3491869800126E+22
Space diagonal 49605879.703147

Equilateral Triangle

Length = n
Perimeter 85919904
Area 3.5517770182749E+14
Altitude 24802939.851573

Triangular Pyramid

Length = n
Surface area 3.5517770182749E+14
Volume 2.7685434064035E+21
Height 13501010.39051