156742981 (number)

156742981 is an odd 9-digits composite number following 156742980 and preceding 156742982. In scientific notation, it is written as 1.56742981 × 10^8. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 155304864 positive integers (up to 156742981) that are relatively prime to 156742981.

Interesting facts

Basic properties

Name

Name one hundred fifty-six million seven hundred forty-two thousand nine hundred eighty-one

Notation

Scientific notation 1.56742981 × 10^8
Engineering notation 1.56742981 × 10^6

Prime Factorization of 156742981

Prime Factorization 109 × 1438009

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 156742981
Product of the distinct prime numbers

The prime factorization of 156742981 is 109 × 1438009. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 10, 73, 50, 378, 438, 902, 5093, 25401, 96324, 530194, 39729, 7435327, 4490416, 91690412, 86750183, 315816081, 950992195, 3020008053, 83559297

Basic calculations (n = 156742981)

Multiplication

n×y
n×2 313485962
n×3 470228943
n×4 626971924
n×5 783714905

Division

n÷y
n÷2 78371490.5
n÷3 52247660.333333
n÷3 39185745.25
n÷5 31348596.2

Exponentiation

ny
n2 24568362092766361
n3 3.8509183127076E+24
n4 6.0360441592128E+32
n5 9.4610755496265E+40

Nth Root

y√n
2√n 12519.703710552
3√n 539.17452868059
4√n 111.89148184983
5√n 43.554960119414

Divisors of 156742981

1, 109, 1438009, 156742981

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 -156742980
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 156742981 can be divided by 4 positive divisors. The sum of these divisors (counting 156742981) is 1, the average is 0.25.

Base conversion 156742981

Base System Value
2 Binary 1001010101111011010101000101
3 Ternary 101220221100221121
4 Quaternary 21111323111011
5 Quinary 310111233411
6 Senary 23315313541
8 Octal 1125732505
10 Decimal 156742981
12 Duodecimal 445ab8b1
16 Hexadecimal 957b545
20 Vigesimal 28jch91
36 Base36 2lbjnp

Cryptographic Hash Functions

md5 2e2b0eb7a5187847afacd399603c3ba3
sha1 22900099635ec7f2c86b52e8d5c8ebbbda42a547
sha256 022d2903f72d6a1cd931ae8a7e1a7679b7bb307aa01a7f4d5a1e299f49d9f6fe
sha512 865a76ebf73d7ecc1408bf6905d728dc8ded9e8717be968dc4506c0eb5c700655e2467c3ec94baa0b09a8e2fef806e8fe79e68591ccfa18e1356d35a1548013a
ripemd-160 37dbe8e5c13b04d887bae16c7fe82ce232d3a5d4

156742981 as geometric shapes

Circle

Radius = n
Diameter 313485962
Circumference 984845195.22273
Area 7.7183785861369E+16

Sphere

Radius = n
Volume 1.6130688907702E+25
Surface area 3.0873514344548E+17
Circumference 984845195.22273

Square

Length = n
Perimeter 626971924
Area 24568362092766361
Diagonal 221668049.53699

Cube

Length = n
Surface area 147410172556598166
Volume 3.8509183127076E+24
Space diagonal 271486806.8218

Equilateral Triangle

Length = n
Perimeter 470228943
Area 1.0638412850855E+16
Altitude 135743403.4109

Triangular Pyramid

Length = n
Surface area 1.0638412850855E+16
Volume 4.5383507545183E+23
Height 73889349.845663