157020981 (number)

157020981 is an odd 9-digits composite number following 157020980 and preceding 157020982. In scientific notation, it is written as 1.57020981 × 10^8. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 95629824 positive integers (up to 157020981) that are relatively prime to 157020981.

Interesting facts

Basic properties

Name

Name one hundred fifty-seven million twenty thousand nine hundred eighty-one

Notation

Scientific notation 1.57020981 × 10^8
Engineering notation 1.57020981 × 10^6

Prime Factorization of 157020981

Prime Factorization 3 × 13 × 97 × 41507

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 157020981
Product of the distinct prime numbers

The prime factorization of 157020981 is 3 × 13 × 97 × 41507. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 4, 51, 32, 480, 776, 6554, 8665, 82375, 49341, 252170, 923967, 2051913, 1479748, 23621907, 11130356, 67793857, 830087050, 231422052, 5516830994

Basic calculations (n = 157020981)

Multiplication

n×y
n×2 314041962
n×3 471062943
n×4 628083924
n×5 785104905

Division

n÷y
n÷2 78510490.5
n÷3 52340327
n÷3 39255245.25
n÷5 31404196.2

Exponentiation

ny
n2 24655588474202361
n3 3.8714446893515E+24
n4 6.0789804300922E+32
n5 9.5452747061288E+40

Nth Root

y√n
2√n 12530.801291218
3√n 539.49310113968
4√n 111.94106168524
5√n 43.570399021812

Divisors of 157020981

1, 3, 13, 39, 97, 291, 1261, 3783, 41507, 124521, 539591, 1618773, 4026179, 12078537, 52340327, 157020981

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -157020980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 157020981 can be divided by 16 positive divisors. The sum of these divisors (counting 157020981) is 1, the average is 0.0625.

Base conversion 157020981

Base System Value
2 Binary 1001010110111111001100110101
3 Ternary 101221110111021220
4 Quaternary 21112333030311
5 Quinary 310144132411
6 Senary 23325300553
8 Octal 1126771465
10 Decimal 157020981
12 Duodecimal 44704759
16 Hexadecimal 95bf335
20 Vigesimal 2917c91
36 Base36 2lhi5x

Cryptographic Hash Functions

md5 913a5d7ea387107f80376cd6f94de885
sha1 ee5fea9384e73637c85d7e49fc92cf1ca65b8e56
sha256 e09d435d6b3049e35c670dfd74c85ec3e00475c11faa8ad49957a949d309bc29
sha512 88a0f8755cdd4f0cc288c2f97853b640f362d4206b681a4aed9b58eae98c6b3f3bfbad56283f459d0d1d19246d1ede76bc074a473858ce6ecc647bd2cb2072ee
ripemd-160 14d9c9206a39a8f3e3a03ca7d50a8a03efe3be18

157020981 as geometric shapes

Circle

Radius = n
Diameter 314041962
Circumference 986591920.73812
Area 7.7457815620487E+16

Sphere

Radius = n
Volume 1.6216669593128E+25
Surface area 3.0983126248195E+17
Circumference 986591920.73812

Square

Length = n
Perimeter 628083924
Area 24655588474202361
Diagonal 222061200.90733

Cube

Length = n
Surface area 147933530845214166
Volume 3.8714446893515E+24
Space diagonal 271968316.94631

Equilateral Triangle

Length = n
Perimeter 471062943
Area 1.0676182981957E+16
Altitude 135984158.47315

Triangular Pyramid

Length = n
Surface area 1.0676182981957E+16
Volume 4.5625413213819E+23
Height 74020400.302443