28761738 (number)

28761738 is an even 8-digits composite number following 28761737 and preceding 28761739. In scientific notation, it is written as 2.8761738 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors. There are 9224880 positive integers (up to 28761738) that are relatively prime to 28761738.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred sixty-one thousand seven hundred thirty-eight

Notation

Scientific notation 2.8761738 × 10^7
Engineering notation 2.8761738 × 10^6

Prime Factorization of 28761738

Prime Factorization 2 × 3 × 31 × 239 × 647

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28761738
Product of the distinct prime numbers

The prime factorization of 28761738 is 2 × 3 × 31 × 239 × 647. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 2, 5, 39, 954, 281, 3141, 3716, 65331, 47068, 90453, 975164, 9563400, 6401056, 20479127, 17052939, 10372052, 348235167, 908010431, 3841597972

Basic calculations (n = 28761738)

Multiplication

n×y
n×2 57523476
n×3 86285214
n×4 115046952
n×5 143808690

Division

n÷y
n÷2 14380869
n÷3 9587246
n÷3 7190434.5
n÷5 5752347.6

Exponentiation

ny
n2 827237572780644
n3 2.3792790332073E+22
n4 6.8432200182001E+29
n5 1.9682290123983E+37

Nth Root

y√n
2√n 5362.9971098258
3√n 306.38796959811
4√n 73.232486710652
5√n 31.028660326321

Divisors of 28761738

1, 2, 3, 6, 31, 62, 93, 186, 239, 478, 647, 717, 1294, 1434, 1941, 3882, 7409, 14818, 20057, 22227, 40114, 44454, 60171, 120342, 154633, 309266, 463899, 927798, 4793623, 9587246, 14380869, 28761738

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28761737
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28761738 can be divided by 32 positive divisors. The sum of these divisors (counting 28761738) is 1, the average is 0.03125.

Base conversion 28761738

Base System Value
2 Binary 1101101101101111010001010
3 Ternary 2000010020200120
4 Quaternary 1231231322022
5 Quinary 24330333423
6 Senary 2504244110
8 Octal 155557212
10 Decimal 28761738
12 Duodecimal 9770636
16 Hexadecimal 1b6de8a
20 Vigesimal 8jf46i
36 Base36 h4gp6

Cryptographic Hash Functions

md5 86a1bbc14be525c3a6e448e3ecfee74b
sha1 962b39a9e2812e54c9fb0bcb46b60c31bf996d2b
sha256 12aa1a417302e97106bd98b446557b62e71badcba5c8da6f30bb1b6ae4397c29
sha512 04ea23d8a9f8262e493f1fc90b02bf9ba97fd7dc18d5e705dd01df8302eea3a3ff0ab6dc5c4c7d2c973f20b725f7b5e6af34e653bcc8e52399213257eeb6c4a6
ripemd-160 72a2dc782797642816f57ea08e916014623aba86

28761738 as geometric shapes

Circle

Radius = n
Diameter 57523476
Circumference 180715329.61055
Area 2.5988434814211E+15

Sphere

Radius = n
Volume 9.9663007087523E+22
Surface area 1.0395373925684E+16
Circumference 180715329.61055

Square

Length = n
Perimeter 115046952
Area 827237572780644
Diagonal 40675239.957022

Cube

Length = n
Surface area 4963425436683864
Volume 2.3792790332073E+22
Space diagonal 49816791.529984

Equilateral Triangle

Length = n
Perimeter 86285214
Area 3.5820437649651E+14
Altitude 24908395.764992

Triangular Pyramid

Length = n
Surface area 3.5820437649651E+14
Volume 2.8040072311931E+21
Height 13558413.319007