31139991 (number)

31139991 is an odd 8-digits composite number following 31139990 and preceding 31139992. In scientific notation, it is written as 3.1139991 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 19891872 positive integers (up to 31139991) that are relatively prime to 31139991.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1139991 × 10^7
Engineering notation 3.1139991 × 10^6

Prime Factorization of 31139991

Prime Factorization 1269 × 53 × 463

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 31139991
Product of the distinct prime numbers

The prime factorization of 31139991 is 1269 × 53 × 463. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31139991)

Multiplication

n×y
n×2 62279982
n×3 93419973
n×4 124559964
n×5 155699955

Division

n÷y
n÷2 15569995.5
n÷3 10379997
n÷3 7784997.75
n÷5 6227998.2

Exponentiation

ny
n2 969699039480081
n3 3.0196419362118E+22
n4 9.4031622716859E+29
n5 2.9281438851184E+37

Nth Root

y√n
2√n 5580.3217649164
3√n 314.61022083632
4√n 74.701551288554
5√n 31.52562436573

Divisors of 31139991

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 -31139990
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 31139991 can be divided by 8 positive divisors. The sum of these divisors (counting 31139991) is 1, the average is 0.125.

Base conversion 31139991

Base System Value
2 Binary 1110110110010100010010111
3 Ternary 2011121002001000
4 Quaternary 1312302202113
5 Quinary 30432434431
6 Senary 3031234343
8 Octal 166624227
10 Decimal 31139991
12 Duodecimal a5189b3
16 Hexadecimal 1db2897
20 Vigesimal 9ec9jb
36 Base36 ijfrr

Cryptographic Hash Functions

md5 9f8d60e1cefd052c19e402db2b9e145f
sha1 17ad7a9b2518e4cbb77a19ec5146958adc303cd4
sha256 4ea4ac873f24c876a460b0d2e5ba9d20006c1f59aefded5ded0a4ba6a2365e06
sha512 5f9bb04b740ef3abcab257061598f4a4f71820379aee9cd57cdb2e4db9dcbbefce550345d06e2a599542f7ce62f9bbdb2f1639b75f3ff2ffe6a2c1dc0b8c63d8
ripemd-160 68449ac042ed6bd838519273deddc516b11dcdfd

31139991 as geometric shapes

Circle

Radius = n
Diameter 62279982
Circumference 195658333.9169
Area 3.0463993786237E+15

Sphere

Radius = n
Volume 1.2648646564366E+23
Surface area 1.2185597514495E+16
Circumference 195658333.9169

Square

Length = n
Perimeter 124559964
Area 969699039480081
Diagonal 44038597.604376

Cube

Length = n
Surface area 5818194236880486
Volume 3.0196419362118E+22
Space diagonal 53936046.559238

Equilateral Triangle

Length = n
Perimeter 93419973
Area 4.1989200110756E+14
Altitude 26968023.279619

Triangular Pyramid

Length = n
Surface area 4.1989200110756E+14
Volume 3.5586821497511E+21
Height 14679532.534792