31139989 (number)

31139989 is an odd 8-digits composite number following 31139988 and preceding 31139990. In scientific notation, it is written as 3.1139989 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 30792336 positive integers (up to 31139989) that are relatively prime to 31139989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1139989 × 10^7
Engineering notation 3.1139989 × 10^6

Prime Factorization of 31139989

Prime Factorization 167 × 263 × 709

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 31139989
Product of the distinct prime numbers

The prime factorization of 31139989 is 167 × 263 × 709. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 8, 2, 70, 210, 613, 542, 1943, 91634, 15178, 809060, 224965, 9429653, 2382568, 47049846, 85760642, 416146828, 219810574, 6723375290, 1063455549

Basic calculations (n = 31139989)

Multiplication

n×y
n×2 62279978
n×3 93419967
n×4 124559956
n×5 155699945

Division

n÷y
n÷2 15569994.5
n÷3 10379996.333333
n÷3 7784997.25
n÷5 6227997.8

Exponentiation

ny
n2 969698914920121
n3 3.0196413543925E+22
n4 9.4031598559726E+29
n5 2.9281429448023E+37

Nth Root

y√n
2√n 5580.3215857153
3√n 314.61021410092
4√n 74.701550089107
5√n 31.525623960776

Divisors of 31139989

1, 167, 263, 709, 43921, 118403, 186467, 31139989

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 -31139988
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 31139989 can be divided by 8 positive divisors. The sum of these divisors (counting 31139989) is 1, the average is 0.125.

Base conversion 31139989

Base System Value
2 Binary 1110110110010100010010101
3 Ternary 2011121002000221
4 Quaternary 1312302202111
5 Quinary 30432434424
6 Senary 3031234341
8 Octal 166624225
10 Decimal 31139989
12 Duodecimal a5189b1
16 Hexadecimal 1db2895
20 Vigesimal 9ec9j9
36 Base36 ijfrp

Cryptographic Hash Functions

md5 c63342d7b93c8be6385cc5a26f039b5a
sha1 8a862570d0e3303dc5338d62448775996f8a462c
sha256 929dfde59dd4af8d73bf8cede36eba406c75ecdfd87745c9f506639b6a2c67e6
sha512 5ef06c6346f6ee0f067ea965ef3188b8d859fe519212c82a53850a57b860deb729dcfec2da16aca9a3a23f66ee41a3baa57b47e603411d7408543a7bbc356275
ripemd-160 32413fc9a272ba17617400d4fe3c161edb2d77d9

31139989 as geometric shapes

Circle

Radius = n
Diameter 62279978
Circumference 195658321.35053
Area 3.046398987307E+15

Sphere

Radius = n
Volume 1.2648644127247E+23
Surface area 1.2185595949228E+16
Circumference 195658321.35053

Square

Length = n
Perimeter 124559956
Area 969698914920121
Diagonal 44038594.775949

Cube

Length = n
Surface area 5818193489520726
Volume 3.0196413543925E+22
Space diagonal 53936043.095136

Equilateral Triangle

Length = n
Perimeter 93419967
Area 4.1989194717151E+14
Altitude 26968021.547568

Triangular Pyramid

Length = n
Surface area 4.1989194717151E+14
Volume 3.5586814640704E+21
Height 14679531.591983