155996988 (number)

155996988 is an even 9-digits composite number following 155996987 and preceding 155996989. In scientific notation, it is written as 1.55996988 × 10^8. The sum of its digits is 60. It has a total of 7 prime factors and 72 positive divisors. There are 44386272 positive integers (up to 155996988) that are relatively prime to 155996988.

Interesting facts

Basic properties

Name

Name one hundred fifty-five million nine hundred ninety-six thousand nine hundred eighty-eight

Notation

Scientific notation 1.55996988 × 10^8
Engineering notation 1.55996988 × 10^6

Prime Factorization of 155996988

Prime Factorization 2 × 2 × 3 × 7 × 7 × 739 × 359

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 11142642
Product of the distinct prime numbers

The prime factorization of 155996988 is 2 × 2 × 3 × 7 × 7 × 739 × 359. Since it has a total of 7 prime factors.

Most popular turbo-numbers

5, 2, 56, 35, 919, 981, 3129, 7123, 80686, 61059, 269669, 711899, 5914553, 2367591, 69191028, 49736395, 411093024, 171209880, 7458168595, 7776850095

Basic calculations (n = 155996988)

Multiplication

n×y
n×2 311993976
n×3 467990964
n×4 623987952
n×5 779984940

Division

n÷y
n÷2 77998494
n÷3 51998996
n÷3 38999247
n÷5 31199397.6

Exponentiation

ny
n2 24335060265072144
n3 3.7961961041497E+24
n4 5.9219515810469E+32
n5 9.2380660972516E+40

Nth Root

y√n
2√n 12489.875419715
3√n 538.31779660601
4√n 111.75811120324
5√n 43.513422402087

Divisors of 155996988

1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 359, 588, 718, 739, 1077, 1436, 1478, 2154, 2217, 2513, 2956, 4308, 4434, 5026, 5173, 7539, 8868, 10052, 10346, 15078, 15519, 17591, 20692, 30156, 31038, 35182, 36211, 52773, 62076, 70364, 72422, 105546, 108633, 144844, 211092, 217266, 265301, 434532, 530602, 795903, 1061204, 1591806, 1857107, 3183612, 3714214, 5571321, 7428428, 11142642, 12999749, 22285284, 25999498, 38999247, 51998996, 77998494, 155996988

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 -155996987
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 155996988 can be divided by 72 positive divisors. The sum of these divisors (counting 155996988) is 1, the average is 0.013888888888889.

Base conversion 155996988

Base System Value
2 Binary 1001010011000101001100111100
3 Ternary 101212112110122020
4 Quaternary 21103011030330
5 Quinary 304413400423
6 Senary 23251320140
8 Octal 1123051474
10 Decimal 155996988
12 Duodecimal 442b0050
16 Hexadecimal 94c533c
20 Vigesimal 28ejc98
36 Base36 2kvk1o

Cryptographic Hash Functions

md5 b19de4477d61a1471b0edb5b956e1747
sha1 d3ca7ca36f5552ed34d5a4f92436344748344286
sha256 c3d07602d0f86605cac018cae1f2705343fe19d61477c045eab977ee695cfa51
sha512 afb64f0e911269aff71b82920905258762d4ca4bb6e9e34c51559d05609adfd267481b39b4e53c36522344fb8e1abe2fb424a651f2f811ec5b4bc04c83c649a6
ripemd-160 52fab246d9d454098277934be653958b4443763c

155996988 as geometric shapes

Circle

Radius = n
Diameter 311993976
Circumference 980157982.96587
Area 7.6450846553416E+16

Sphere

Radius = n
Volume 1.5901469056511E+25
Surface area 3.0580338621366E+17
Circumference 980157982.96587

Square

Length = n
Perimeter 623987952
Area 24335060265072144
Diagonal 220613056.11895

Cube

Length = n
Surface area 146010361590432864
Volume 3.7961961041497E+24
Space diagonal 270194709.04371

Equilateral Triangle

Length = n
Perimeter 467990964
Area 1.0537390196089E+16
Altitude 135097354.52186

Triangular Pyramid

Length = n
Surface area 1.0537390196089E+16
Volume 4.4738600132637E+23
Height 73537685.372984