157987908 (number)

157987908 is an even 9-digits composite number following 157987907 and preceding 157987909. In scientific notation, it is written as 1.57987908 × 10^8. The sum of its digits is 54. It has a total of 7 prime factors and 72 positive divisors. There are 48607776 positive integers (up to 157987908) that are relatively prime to 157987908.

Interesting facts

Basic properties

Name

Name one hundred fifty-seven million nine hundred eighty-seven thousand nine hundred eight

Notation

Scientific notation 1.57987908 × 10^8
Engineering notation 1.57987908 × 10^6

Prime Factorization of 157987908

Prime Factorization 2 × 2 × 3 × 27 × 3 × 13 × 12503

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 26331318
Product of the distinct prime numbers

The prime factorization of 157987908 is 2 × 2 × 3 × 27 × 3 × 13 × 12503. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 157987908)

Multiplication

n×y
n×2 315975816
n×3 473963724
n×4 631951632
n×5 789939540

Division

n÷y
n÷2 78993954
n÷3 52662636
n÷3 39496977
n÷5 31597581.6

Exponentiation

ny
n2 24960179074216464
n3 3.9434064752408E+24
n4 6.2301053941695E+32
n5 9.8428131784436E+40

Nth Root

y√n
2√n 12569.324086839
3√n 540.59822591408
4√n 112.11299695771
5√n 43.623928180107

Divisors of 157987908

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -157987907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 157987908 can be divided by 72 positive divisors. The sum of these divisors (counting 157987908) is 1, the average is 0.013888888888889.

Base conversion 157987908

Base System Value
2 Binary 1001011010101011010001000100
3 Ternary 102000021121200000
4 Quaternary 21122223101010
5 Quinary 310421103113
6 Senary 23402121300
8 Octal 1132532104
10 Decimal 157987908
12 Duodecimal 44ab0230
16 Hexadecimal 96ab444
20 Vigesimal 29789f8
36 Base36 2m2890

Cryptographic Hash Functions

md5 88f41a4745ab7e2250b9fc3c241f10e9
sha1 025bc0605a7eb461139b9c7d9e96a1d34ab6337e
sha256 5690a3f3691fe0751dfe6e5110c810b54e4c1e9c0038553f93085262958a48d6
sha512 87f309213a1eb35e267140ece4890c6044dd52f9932adfbe66fe4d6f6bfc72358f40b14b3736e9b1370448d01e86ea328cdae522b58e5f058aad1032b96d4c78
ripemd-160 bbd04e07604dd3df0681fd7883f6f3c5041fa2ba

157987908 as geometric shapes

Circle

Radius = n
Diameter 315975816
Circumference 992667302.25764
Area 7.8414715211844E+16

Sphere

Radius = n
Volume 1.651810241698E+25
Surface area 3.1365886084738E+17
Circumference 992667302.25764

Square

Length = n
Perimeter 631951632
Area 24960179074216464
Diagonal 223428642.18455

Cube

Length = n
Surface area 149761074445298784
Volume 3.9434064752408E+24
Space diagonal 273643083.63752

Equilateral Triangle

Length = n
Perimeter 473963724
Area 1.080807458064E+16
Altitude 136821541.81876

Triangular Pyramid

Length = n
Surface area 1.080807458064E+16
Volume 4.6473490993629E+23
Height 74476214.061518