156638989 (number)

156638989 is an odd 9-digits composite number following 156638988 and preceding 156638990. In scientific notation, it is written as 1.56638989 × 10^8. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 144589824 positive integers (up to 156638989) that are relatively prime to 156638989.

Interesting facts

Basic properties

Name

Name one hundred fifty-six million six hundred thirty-eight thousand nine hundred eighty-nine

Notation

Scientific notation 1.56638989 × 10^8
Engineering notation 1.56638989 × 10^6

Prime Factorization of 156638989

Prime Factorization 13 × 12049153

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 156638989
Product of the distinct prime numbers

The prime factorization of 156638989 is 13 × 12049153. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 4, 44, 90, 213, 427, 5119, 753, 6863, 93990, 159290, 547096, 5817991, 5832156, 56069141, 50036349, 259404032, 720405469, 9213931006, 1494831283

Basic calculations (n = 156638989)

Multiplication

n×y
n×2 313277978
n×3 469916967
n×4 626555956
n×5 783194945

Division

n÷y
n÷2 78319494.5
n÷3 52212996.333333
n÷3 39159747.25
n÷5 31327797.8

Exponentiation

ny
n2 24535772874942121
n3 3.8432586574646E+24
n4 6.0200415057075E+32
n5 9.4297321519205E+40

Nth Root

y√n
2√n 12515.549888039
3√n 539.05526285712
4√n 111.87291847467
5√n 43.549179229098

Divisors of 156638989

1, 13, 12049153, 156638989

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -156638988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 156638989 can be divided by 4 positive divisors. The sum of these divisors (counting 156638989) is 1, the average is 0.25.

Base conversion 156638989

Base System Value
2 Binary 1001010101100001111100001101
3 Ternary 101220202002022001
4 Quaternary 21111201330031
5 Quinary 310044421424
6 Senary 23313152301
8 Octal 1125417415
10 Decimal 156638989
12 Duodecimal 4455b691
16 Hexadecimal 9561f0d
20 Vigesimal 28ijh99
36 Base36 2l9bf1

Cryptographic Hash Functions

md5 475a2b50b91aeb25ff8bee531117a49c
sha1 94a4b09f171636f6ba453ec61789b695da3dee4c
sha256 4b8e39f4de9f1af815de2f7ed0d6c996d63a1b32d73ce2daa404a165d156c5d6
sha512 9503e29d971e30e37bee4ff1e527a4d94feb8101dda244b9d014a1501fee33c11d5bbc1be7ab171f9a88457b8ac965067213ce531d8793f2a2648660288a2851
ripemd-160 25c3b4f0a8c47a061aa14773a7691adf346e77c6

156638989 as geometric shapes

Circle

Radius = n
Diameter 313277978
Circumference 984191794.21626
Area 7.7081403814066E+16

Sphere

Radius = n
Volume 1.6098604218848E+25
Surface area 3.0832561525626E+17
Circumference 984191794.21626

Square

Length = n
Perimeter 626555956
Area 24535772874942121
Diagonal 221520982.64021

Cube

Length = n
Surface area 147214637249652726
Volume 3.8432586574646E+24
Space diagonal 271306687.39422

Equilateral Triangle

Length = n
Perimeter 469916967
Area 1.0624301305593E+16
Altitude 135653343.69711

Triangular Pyramid

Length = n
Surface area 1.0624301305593E+16
Volume 4.5293237642452E+23
Height 73840327.546737