31689871 (number)

31689871 is an odd 8-digits composite number following 31689870 and preceding 31689872. In scientific notation, it is written as 3.1689871 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 30833352 positive integers (up to 31689871) that are relatively prime to 31689871.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1689871 × 10^7
Engineering notation 3.1689871 × 10^6

Prime Factorization of 31689871

Prime Factorization 37 × 856483

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31689871
Product of the distinct prime numbers

The prime factorization of 31689871 is 37 × 856483. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31689871)

Multiplication

n×y
n×2 63379742
n×3 95069613
n×4 126759484
n×5 158449355

Division

n÷y
n÷2 15844935.5
n÷3 10563290.333333
n÷3 7922467.75
n÷5 6337974.2

Exponentiation

ny
n2 1004247923996641
n3 3.1824487163471E+22
n4 1.0085138928516E+30
n5 3.1959675166174E+37

Nth Root

y√n
2√n 5629.3757202731
3√n 316.45125602525
4√n 75.029165797529
5√n 31.636184107429

Divisors of 31689871

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 -31689870
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 31689871 can be divided by 4 positive divisors. The sum of these divisors (counting 31689871) is 1, the average is 0.25.

Base conversion 31689871

Base System Value
2 Binary 1111000111000110010001111
3 Ternary 2012122000022221
4 Quaternary 1320320302033
5 Quinary 31103033441
6 Senary 3051120211
8 Octal 170706217
10 Decimal 31689871
12 Duodecimal a743067
16 Hexadecimal 1e38c8f
20 Vigesimal 9i14db
36 Base36 iv827

Cryptographic Hash Functions

md5 2a2bb7c83238eea2f01bcf9b90bc46a3
sha1 9972c315941daabea763b70b1b6e7af4dbb6f2ac
sha256 8e1d1ae5544c117d4311af92e626c26d406786e3085a4d0810c559dadc081f56
sha512 02331d2e6fcb27ec56383779a70edced61d98ebd295ae686bb3870d7b9b5b21a77f4025b979a348832f9c1ef6c5cc2efaaae7f694da225d57c8985fab00df643
ripemd-160 152332db84d829c8f6a6d1c933439f639ef2d650

31689871 as geometric shapes

Circle

Radius = n
Diameter 63379742
Circumference 199113331.85362
Area 3.1549379004106E+15

Sphere

Radius = n
Volume 1.333061001027E+23
Surface area 1.2619751601643E+16
Circumference 199113331.85362

Square

Length = n
Perimeter 126759484
Area 1004247923996641
Diagonal 44816245.358054

Cube

Length = n
Surface area 6025487543979846
Volume 3.1824487163471E+22
Space diagonal 54888466.657304

Equilateral Triangle

Length = n
Perimeter 95069613
Area 4.3485210693944E+14
Altitude 27444233.328652

Triangular Pyramid

Length = n
Surface area 4.3485210693944E+14
Volume 3.7505517801791E+21
Height 14938748.452685