31996989 (number)

31996989 is an odd 8-digits composite number following 31996988 and preceding 31996990. In scientific notation, it is written as 3.1996989 × 10^7. The sum of its digits is 54. It has a total of 5 prime factors and 24 positive divisors. There are 20547648 positive integers (up to 31996989) that are relatively prime to 31996989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1996989 × 10^7
Engineering notation 3.1996989 × 10^6

Prime Factorization of 31996989

Prime Factorization 3 × 3 × 47 × 67 × 1129

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10665663
Product of the distinct prime numbers

The prime factorization of 31996989 is 3 × 3 × 47 × 67 × 1129. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31996989)

Multiplication

n×y
n×2 63993978
n×3 95990967
n×4 127987956
n×5 159984945

Division

n÷y
n÷2 15998494.5
n÷3 10665663
n÷3 7999247.25
n÷5 6399397.8

Exponentiation

ny
n2 1023807305066121
n3 3.275875107832E+22
n4 1.0481813979068E+30
n5 3.3538648658827E+37

Nth Root

y√n
2√n 5656.5881059169
3√n 317.47025244679
4√n 75.21029255306
5√n 31.697267312594

Divisors of 31996989

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31996988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31996989 can be divided by 24 positive divisors. The sum of these divisors (counting 31996989) is 1, the average is 0.041666666666667.

Base conversion 31996989

Base System Value
2 Binary 1111010000011110000111101
3 Ternary 2020012121121200
4 Quaternary 1322003300331
5 Quinary 31142400424
6 Senary 3101450113
8 Octal 172036075
10 Decimal 31996989
12 Duodecimal a870939
16 Hexadecimal 1e83c3d
20 Vigesimal 9jjc99
36 Base36 j1t19

Cryptographic Hash Functions

md5 66a44d7d776363da18e4564c9fc68a4d
sha1 ce536557942083d2b2037fce00a6983a9606f7f5
sha256 872e252279bc88ecff9cb84770a1627c0748ee15c248228a4b1984101c5c9223
sha512 2c3abfd86d20ad9dbee7808448cb649cb884c49a2f359f5f6f57334ccaddf72a01d02893d1daf7e56cb953917014e8bc5d2e6fc400f9f2024b6d1211a90dd6dc
ripemd-160 87fc45a8f401b8aa7376e07e99d76dac669eade2

31996989 as geometric shapes

Circle

Radius = n
Diameter 63993978
Circumference 201043011.15879
Area 3.2163855082873E+15

Sphere

Radius = n
Volume 1.372195356379E+23
Surface area 1.2865542033149E+16
Circumference 201043011.15879

Square

Length = n
Perimeter 127987956
Area 1023807305066121
Diagonal 45250575.798903

Cube

Length = n
Surface area 6142843830396726
Volume 3.275875107832E+22
Space diagonal 55420410.637222

Equilateral Triangle

Length = n
Perimeter 95990967
Area 4.4332156738367E+14
Altitude 27710205.318611

Triangular Pyramid

Length = n
Surface area 4.4332156738367E+14
Volume 3.8606558384471E+21
Height 15083525.266301