157678021 (number)

157678021 is an odd 9-digits composite number following 157678020 and preceding 157678022. In scientific notation, it is written as 1.57678021 × 10^8. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 154702912 positive integers (up to 157678021) that are relatively prime to 157678021.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.57678021 × 10^8
Engineering notation 1.57678021 × 10^6

Prime Factorization of 157678021

Prime Factorization 53 × 2975057

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 157678021
Product of the distinct prime numbers

The prime factorization of 157678021 is 53 × 2975057. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 157678021)

Multiplication

n×y
n×2 315356042
n×3 473034063
n×4 630712084
n×5 788390105

Division

n÷y
n÷2 78839010.5
n÷3 52559340.333333
n÷3 39419505.25
n÷5 31535604.2

Exponentiation

ny
n2 24862358306476441
n3 3.9202474551581E+24
n4 6.1813686055962E+32
n5 9.7466596880194E+40

Nth Root

y√n
2√n 12556.990921395
3√n 540.24454059124
4√n 112.05798017721
5√n 43.606801417314

Divisors of 157678021

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 -157678020
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 157678021 can be divided by 4 positive divisors. The sum of these divisors (counting 157678021) is 1, the average is 0.25.

Base conversion 157678021

Base System Value
2 Binary 1001011001011111100111000101
3 Ternary 101222200212120201
4 Quaternary 21121133213011
5 Quinary 310331144041
6 Senary 23351330501
8 Octal 1131374705
10 Decimal 157678021
12 Duodecimal 44980a31
16 Hexadecimal 965f9c5
20 Vigesimal 2959f11
36 Base36 2lvl51

Cryptographic Hash Functions

md5 ade1e5e7ce8ae83c675d02d2fb0d9423
sha1 0c3e3aa07581e6482b44050d3e143e2bc2b5d928
sha256 0f225cfd05f5439d7644798fa880ee408fe84a19d5808c3cf3617c1553b504e8
sha512 e86211d914e552d0ebc3f86e8e2d5c01940ae8733809f8a2c3e50827b7ec1c97b4ba696eb3de39611dba04ff5286785cd679b07434ca0f232f70b5e48b9650b8
ripemd-160 dfad688e02cf6a4deacda71a2aaea62313906844

157678021 as geometric shapes

Circle

Radius = n
Diameter 315356042
Circumference 990720224.81235
Area 7.8107402206544E+16

Sphere

Radius = n
Volume 1.6421094140505E+25
Surface area 3.1242960882617E+17
Circumference 990720224.81235

Square

Length = n
Perimeter 630712084
Area 24862358306476441
Diagonal 222990395.78635

Cube

Length = n
Surface area 149174149838858646
Volume 3.9202474551581E+24
Space diagonal 273106343.60891

Equilateral Triangle

Length = n
Perimeter 473034063
Area 1.07657169457E+16
Altitude 136553171.80446

Triangular Pyramid

Length = n
Surface area 1.07657169457E+16
Volume 4.6200559324527E+23
Height 74330131.928783