157078721 (number)

157078721 is an odd 9-digits composite number following 157078720 and preceding 157078722. In scientific notation, it is written as 1.57078721 × 10^8. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 154503600 positive integers (up to 157078721) that are relatively prime to 157078721.

Interesting facts

Basic properties

Name

Name one hundred fifty-seven million seventy-eight thousand seven hundred twenty-one

Notation

Scientific notation 1.57078721 × 10^8
Engineering notation 1.57078721 × 10^6

Prime Factorization of 157078721

Prime Factorization 61 × 2575061

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 157078721
Product of the distinct prime numbers

The prime factorization of 157078721 is 61 × 2575061. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 157078721)

Multiplication

n×y
n×2 314157442
n×3 471236163
n×4 628314884
n×5 785393605

Division

n÷y
n÷2 78539360.5
n÷3 52359573.666667
n÷3 39269680.25
n÷5 31415744.2

Exponentiation

ny
n2 24673724590995841
n3 3.8757171010599E+24
n4 6.0879268519231E+32
n5 9.5628376344164E+40

Nth Root

y√n
2√n 12533.105002353
3√n 539.55922078395
4√n 111.95135105193
5√n 43.573602905606

Divisors of 157078721

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 -157078720
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 157078721 can be divided by 4 positive divisors. The sum of these divisors (counting 157078721) is 1, the average is 0.25.

Base conversion 157078721

Base System Value
2 Binary 1001010111001101010011000001
3 Ternary 101221120102111102
4 Quaternary 21113031103001
5 Quinary 310203004341
6 Senary 23330424145
8 Octal 1127152301
10 Decimal 157078721
12 Duodecimal 44732055
16 Hexadecimal 95cd4c1
20 Vigesimal 291egg1
36 Base36 2liqpt

Cryptographic Hash Functions

md5 af106116b4d42cbbd45c7b205279af7b
sha1 ea58f8c1d6cf5b2203c6f7443bddb18d71567e49
sha256 b82032f9b28f54bafe39f4f6a9bcc373fd0f4fbd375c5c13e9090f9ef29907f7
sha512 1b5daf7435a2e95be607419f9e73c8faab4d8dd74fd7b2f1b590fc60698176bdc9a7e939624e24bf9edb6d9893c8cc9f233ae9120e501003cf4e2ed5bb5f7630
ripemd-160 0cefbadda25ec2a425f2557a6c3d5aeb1100cac4

157078721 as geometric shapes

Circle

Radius = n
Diameter 314157442
Circumference 986954711.85776
Area 7.751479191177E+16

Sphere

Radius = n
Volume 1.6234565829443E+25
Surface area 3.1005916764708E+17
Circumference 986954711.85776

Square

Length = n
Perimeter 628314884
Area 24673724590995841
Diagonal 222142857.59842

Cube

Length = n
Surface area 148042347545975046
Volume 3.8757171010599E+24
Space diagonal 272068325.55994

Equilateral Triangle

Length = n
Perimeter 471236163
Area 1.0684036150892E+16
Altitude 136034162.77997

Triangular Pyramid

Length = n
Surface area 1.0684036150892E+16
Volume 4.5675764068668E+23
Height 74047619.199473