157215909 (number)

157215909 is an odd 9-digits composite number following 157215908 and preceding 157215910. In scientific notation, it is written as 1.57215909 × 10^8. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 104701376 positive integers (up to 157215909) that are relatively prime to 157215909.

Interesting facts

Basic properties

Name

Name one hundred fifty-seven million two hundred fifteen thousand nine hundred nine

Notation

Scientific notation 1.57215909 × 10^8
Engineering notation 1.57215909 × 10^6

Prime Factorization of 157215909

Prime Factorization 3 × 977 × 53639

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 157215909
Product of the distinct prime numbers

The prime factorization of 157215909 is 3 × 977 × 53639. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 3, 11, 10, 642, 207, 3548, 8995, 7325, 77774, 877326, 355293, 5668666, 6409342, 17129327, 61868402, 81152719, 464919456, 8973372648, 9607695388

Basic calculations (n = 157215909)

Multiplication

n×y
n×2 314431818
n×3 471647727
n×4 628863636
n×5 786079545

Division

n÷y
n÷2 78607954.5
n÷3 52405303
n÷3 39303977.25
n÷5 31443181.8

Exponentiation

ny
n2 24716842042696281
n3 3.8858807893519E+24
n4 6.109222805636E+32
n5 9.6046701667159E+40

Nth Root

y√n
2√n 12538.576833118
3√n 539.71625353602
4√n 111.97578681625
5√n 43.581211432292

Divisors of 157215909

1, 3, 977, 2931, 53639, 160917, 52405303, 157215909

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -157215908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 157215909 can be divided by 8 positive divisors. The sum of these divisors (counting 157215909) is 1, the average is 0.125.

Base conversion 157215909

Base System Value
2 Binary 1001010111101110110010100101
3 Ternary 101221211101200110
4 Quaternary 21113232302211
5 Quinary 310221402114
6 Senary 23333403233
8 Octal 1127566245
10 Decimal 157215909
12 Duodecimal 44799519
16 Hexadecimal 95eeca5
20 Vigesimal 292bjf9
36 Base36 2llokl

Cryptographic Hash Functions

md5 7a5e8c86a1dbd1f6f42d894fc7b12503
sha1 7c209a08f728a8d62eb11414f6438e9caacf749f
sha256 99a559922cc50b7ccf3a8ac44489ca1b216c87f8e4f0750974f3579f304b68a7
sha512 c282fecbea400ec67f9159c419dc60bbabb1dc9fdcd43fda570c7a4eda8ff32c33e84ce1d6ca237f556506bbd89450fb988263e632ef50254d97e9585b3ad2d1
ripemd-160 d94217cb9e1169c8c19f3faf9bbdbe51432f5238

157215909 as geometric shapes

Circle

Radius = n
Diameter 314431818
Circumference 987816689.48368
Area 7.7650249381274E+16

Sphere

Radius = n
Volume 1.6277139387405E+25
Surface area 3.106009975251E+17
Circumference 987816689.48368

Square

Length = n
Perimeter 628863636
Area 24716842042696281
Diagonal 222336870.72861

Cube

Length = n
Surface area 148301052256177686
Volume 3.8858807893519E+24
Space diagonal 272305942.14613

Equilateral Triangle

Length = n
Perimeter 471647727
Area 1.0702706555151E+16
Altitude 136152971.07306

Triangular Pyramid

Length = n
Surface area 1.0702706555151E+16
Volume 4.5795544283888E+23
Height 74112290.242871