157021291 (number)

157021291 is an odd 9-digits composite number following 157021290 and preceding 157021292. In scientific notation, it is written as 1.57021291 × 10^8. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 133883880 positive integers (up to 157021291) that are relatively prime to 157021291.

Interesting facts

Basic properties

Name

Name one hundred fifty-seven million twenty-one thousand two hundred ninety-one

Notation

Scientific notation 1.57021291 × 10^8
Engineering notation 1.57021291 × 10^6

Prime Factorization of 157021291

Prime Factorization 7 × 191 × 117443

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 157021291
Product of the distinct prime numbers

The prime factorization of 157021291 is 7 × 191 × 117443. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 4, 100, 95, 959, 745, 5502, 7908, 57, 97383, 214792, 424340, 5568918, 4648311, 54410426, 57858799, 256951204, 507633727, 7003849805, 3390218011

Basic calculations (n = 157021291)

Multiplication

n×y
n×2 314042582
n×3 471063873
n×4 628085164
n×5 785106455

Division

n÷y
n÷2 78510645.5
n÷3 52340430.333333
n÷3 39255322.75
n÷5 31404258.2

Exponentiation

ny
n2 24655685827306681
n3 3.8714676190941E+24
n4 6.0790284361485E+32
n5 9.5453689306975E+40

Nth Root

y√n
2√n 12530.813660732
3√n 539.49345617238
4√n 111.94111693534
5√n 43.570416225644

Divisors of 157021291

1, 7, 191, 1337, 117443, 822101, 22431613, 157021291

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 -157021290
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 157021291 can be divided by 8 positive divisors. The sum of these divisors (counting 157021291) is 1, the average is 0.125.

Base conversion 157021291

Base System Value
2 Binary 1001010110111111010001101011
3 Ternary 101221110111201101
4 Quaternary 21112333101223
5 Quinary 310144140131
6 Senary 23325302231
8 Octal 1126772153
10 Decimal 157021291
12 Duodecimal 44704977
16 Hexadecimal 95bf46b
20 Vigesimal 2917d4b
36 Base36 2lhiej

Cryptographic Hash Functions

md5 1ef2d756c1bca850fff34581b60fa487
sha1 b9133c915026327a0fb40492950e2b9af2863f8a
sha256 d645d979f280f78dfb206ffd4b33c9a5ba2b99110a853dd3f17596661a6f479b
sha512 637a8315e06ba0091bcaa79d16e7778a8d5f19f95f56343cdba7a1eb4e4bc97ea635449cc453498e2be43aef5fb93725c36b19149da811ed8c959513d4f03765
ripemd-160 5c53ccbf9e87620bbc2f60ba8d965b36ec3263e5

157021291 as geometric shapes

Circle

Radius = n
Diameter 314042582
Circumference 986593868.52557
Area 7.7458121464285E+16

Sphere

Radius = n
Volume 1.6216765641009E+25
Surface area 3.0983248585714E+17
Circumference 986593868.52557

Square

Length = n
Perimeter 628085164
Area 24655685827306681
Diagonal 222061639.31353

Cube

Length = n
Surface area 147934114963840086
Volume 3.8714676190941E+24
Space diagonal 271968853.88206

Equilateral Triangle

Length = n
Perimeter 471063873
Area 1.0676225137088E+16
Altitude 135984426.94103

Triangular Pyramid

Length = n
Surface area 1.0676225137088E+16
Volume 4.5625683443426E+23
Height 74020546.437844