31371985 (number)

31371985 is an odd 8-digits composite number following 31371984 and preceding 31371986. In scientific notation, it is written as 3.1371985 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 25097584 positive integers (up to 31371985) that are relatively prime to 31371985.

Interesting facts

Basic properties

Name

Name thirty-one million three hundred seventy-one thousand nine hundred eighty-five

Notation

Scientific notation 3.1371985 × 10^7
Engineering notation 3.1371985 × 10^6

Prime Factorization of 31371985

Prime Factorization 5 × 6274397

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31371985
Product of the distinct prime numbers

The prime factorization of 31371985 is 5 × 6274397. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31371985)

Multiplication

n×y
n×2 62743970
n×3 94115955
n×4 125487940
n×5 156859925

Division

n÷y
n÷2 15685992.5
n÷3 10457328.333333
n÷3 7842996.25
n÷5 6274397

Exponentiation

ny
n2 984201442840225
n3 3.0876352901762E+22
n4 9.6865248008878E+29
n5 3.0388551075558E+37

Nth Root

y√n
2√n 5601.069987065
3√n 315.38957426728
4√n 74.840296545811
5√n 31.572458403197

Divisors of 31371985

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 -31371984
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 31371985 can be divided by 4 positive divisors. The sum of these divisors (counting 31371985) is 1, the average is 0.25.

Base conversion 31371985

Base System Value
2 Binary 1110111101011001011010001
3 Ternary 2012000212021101
4 Quaternary 1313223023101
5 Quinary 31012400420
6 Senary 3040224401
8 Octal 167531321
10 Decimal 31371985
12 Duodecimal a60b101
16 Hexadecimal 1deb2d1
20 Vigesimal 9g19j5
36 Base36 ioes1

Cryptographic Hash Functions

md5 94b786bae608ea8f63108469999b76eb
sha1 2c70a54ee4e00d4bcad5895690f92bcc476f83ab
sha256 eb38a7b7879bcd0f56f372da7be88e3aa38573ca17c6de4dfa3b0b09f349d9dc
sha512 8cfafbfc856995cfa549f116578e774e03e7f653b77d95a02ec68604b65bb733488103340cc2d39075ad197dae4ca787d9c4134fcc24c80f7fa6e249c1e7e6ee
ripemd-160 72eff84cd8d6762bd3a496f0790b562be75ec37d

31371985 as geometric shapes

Circle

Radius = n
Diameter 62743970
Circumference 197115995.20906
Area 3.0919600224793E+15

Sphere

Radius = n
Volume 1.2933456459443E+23
Surface area 1.2367840089917E+16
Circumference 197115995.20906

Square

Length = n
Perimeter 125487940
Area 984201442840225
Diagonal 44366686.665565

Cube

Length = n
Surface area 5905208657041350
Volume 3.0876352901762E+22
Space diagonal 54337871.954289

Equilateral Triangle

Length = n
Perimeter 94115955
Area 4.2617172597047E+14
Altitude 27168935.977144

Triangular Pyramid

Length = n
Surface area 4.2617172597047E+14
Volume 3.6388130858575E+21
Height 14788895.555188