28746640 (number)

28746640 is an even 8-digits composite number following 28746639 and preceding 28746641. In scientific notation, it is written as 2.8746640 × 10^7. The sum of its digits is 37. It has a total of 8 prime factors and 80 positive divisors. There are 10483200 positive integers (up to 28746640) that are relatively prime to 28746640.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred forty-six thousand six hundred forty

Notation

Scientific notation 2.8746640 × 10^7
Engineering notation 2.8746640 × 10^6

Prime Factorization of 28746640

Prime Factorization 2 × 2 × 2 × 2 × 13 × 5 × 131 × 211

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 3593330
Product of the distinct prime numbers

The prime factorization of 28746640 is 2 × 2 × 2 × 2 × 13 × 5 × 131 × 211. Since it has a total of 8 prime factors.

Most popular turbo-numbers

7, 5, 54, 26, 334, 425, 4596, 4659, 16666, 83380, 737275, 209918, 7366559, 8813753, 97049864, 18243228, 941491269, 490803096, 4652187130, 5660626395

Basic calculations (n = 28746640)

Multiplication

n×y
n×2 57493280
n×3 86239920
n×4 114986560
n×5 143733200

Division

n÷y
n÷2 14373320
n÷3 9582213.3333333
n÷3 7186660
n÷5 5749328

Exponentiation

ny
n2 826369311289600
n3 2.375534109869E+22
n4 6.8288623864125E+29
n5 1.9630684863174E+37

Nth Root

y√n
2√n 5361.5893166113
3√n 306.33434911081
4√n 73.222874271714
5√n 31.025402045399

Divisors of 28746640

1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 131, 208, 211, 260, 262, 422, 520, 524, 655, 844, 1040, 1048, 1055, 1310, 1688, 1703, 2096, 2110, 2620, 2743, 3376, 3406, 4220, 5240, 5486, 6812, 8440, 8515, 10480, 10972, 13624, 13715, 16880, 17030, 21944, 27248, 27430, 27641, 34060, 43888, 54860, 55282, 68120, 109720, 110564, 136240, 138205, 219440, 221128, 276410, 359333, 442256, 552820, 718666, 1105640, 1437332, 1796665, 2211280, 2874664, 3593330, 5749328, 7186660, 14373320, 28746640

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28746639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28746640 can be divided by 80 positive divisors. The sum of these divisors (counting 28746640) is 1, the average is 0.0125.

Base conversion 28746640

Base System Value
2 Binary 1101101101010001110010000
3 Ternary 2000002110222101
4 Quaternary 1231222032100
5 Quinary 24324343030
6 Senary 2504050144
8 Octal 155521620
10 Decimal 28746640
12 Duodecimal 9763954
16 Hexadecimal 1b6a390
20 Vigesimal 8jd6c0
36 Base36 h451s

Cryptographic Hash Functions

md5 861ad33de2255c3ae27e0ead50fa0191
sha1 9f8239341406a140c3bf81a1a799c030121ce7b3
sha256 025a6826252f16060f26594c11fa94f47cd236fc6b602151cfff912654545fa7
sha512 b039f6eac62831f944ee910f1a64d06f6bd64b532e11b28ea3f1c98da806dcabe19bbdc427fde2ea1974a269ac608b2610645ed25e86aaf26b2ba93151fa3256
ripemd-160 47e14a8cc2fb2beb836e96eb17e5cd278c5a7e92

28746640 as geometric shapes

Circle

Radius = n
Diameter 57493280
Circumference 180620466.07878
Area 2.5961157574995E+15

Sphere

Radius = n
Volume 9.9506140105553E+22
Surface area 1.0384463029998E+16
Circumference 180620466.07878

Square

Length = n
Perimeter 114986560
Area 826369311289600
Diagonal 40653888.160657

Cube

Length = n
Surface area 4958215867737600
Volume 2.375534109869E+22
Space diagonal 49790641.026892

Equilateral Triangle

Length = n
Perimeter 86239920
Area 3.5782840824232E+14
Altitude 24895320.513446

Triangular Pyramid

Length = n
Surface area 3.5782840824232E+14
Volume 2.7995937967139E+21
Height 13551296.053552