31139986 (number)

31139986 is an even 8-digits composite number following 31139985 and preceding 31139987. In scientific notation, it is written as 3.1139986 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 15561168 positive integers (up to 31139986) that are relatively prime to 31139986.

Interesting facts

Basic properties

Name

Name thirty-one million one hundred thirty-nine thousand nine hundred eighty-six

Notation

Scientific notation 3.1139986 × 10^7
Engineering notation 3.1139986 × 10^6

Prime Factorization of 31139986

Prime Factorization 2 × 6389 × 2437

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 31139986
Product of the distinct prime numbers

The prime factorization of 31139986 is 2 × 6389 × 2437. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 5, 70, 90, 715, 519, 782, 1403, 5191, 23029, 365630, 660631, 1744918, 7937320, 7754464, 85508057, 48969408, 193976366, 6343249185, 5985596700

Basic calculations (n = 31139986)

Multiplication

n×y
n×2 62279972
n×3 93419958
n×4 124559944
n×5 155699930

Division

n÷y
n÷2 15569993
n÷3 10379995.333333
n÷3 7784996.5
n÷5 6227997.2

Exponentiation

ny
n2 969698728080196
n3 3.0196404816635E+22
n4 9.4031562324035E+29
n5 2.9281415343286E+37

Nth Root

y√n
2√n 5580.3213169136
3√n 314.61020399783
4√n 74.701548289936
5√n 31.525623353346

Divisors of 31139986

1, 2, 2437, 4874, 6389, 12778, 15569993, 31139986

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 -31139985
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 31139986 can be divided by 8 positive divisors. The sum of these divisors (counting 31139986) is 1, the average is 0.125.

Base conversion 31139986

Base System Value
2 Binary 1110110110010100010010010
3 Ternary 2011121002000211
4 Quaternary 1312302202102
5 Quinary 30432434421
6 Senary 3031234334
8 Octal 166624222
10 Decimal 31139986
12 Duodecimal a5189aa
16 Hexadecimal 1db2892
20 Vigesimal 9ec9j6
36 Base36 ijfrm

Cryptographic Hash Functions

md5 5786b3f366b7ac55dc288406bc29d9f8
sha1 eb9020519564414c0986849df104aebe40c10619
sha256 dbe04db7fd60a0d9c845c2815f9366050052059f30dffc8fdda3f1561c316637
sha512 e790d418537ac2a56dbfac5bd1de4d44544e8f15acd9078d564b2d25f67da2555dd7c70ca18b92dee4321133bd00d87e83f6806c2d83142f0dace86257f7493d
ripemd-160 705adc9684e890c4188b594b0536a6d8a52756f5

31139986 as geometric shapes

Circle

Radius = n
Diameter 62279972
Circumference 195658302.50098
Area 3.0463984003321E+15

Sphere

Radius = n
Volume 1.2648640471569E+23
Surface area 1.2185593601328E+16
Circumference 195658302.50098

Square

Length = n
Perimeter 124559944
Area 969698728080196
Diagonal 44038590.533308

Cube

Length = n
Surface area 5818192368481176
Volume 3.0196404816635E+22
Space diagonal 53936037.898984

Equilateral Triangle

Length = n
Perimeter 93419958
Area 4.1989186626745E+14
Altitude 26968018.949492

Triangular Pyramid

Length = n
Surface area 4.1989186626745E+14
Volume 3.5586804355495E+21
Height 14679530.177769