31621320 (number)

31621320 is an even 8-digits composite number following 31621319 and preceding 31621321. In scientific notation, it is written as 3.1621320 × 10^7. The sum of its digits is 18. It has a total of 8 prime factors and 128 positive divisors. There are 7527168 positive integers (up to 31621320) that are relatively prime to 31621320.

Interesting facts

Basic properties

Name

Name thirty-one million six hundred twenty-one thousand three hundred twenty

Notation

Scientific notation 3.1621320 × 10^7
Engineering notation 3.1621320 × 10^6

Prime Factorization of 31621320

Prime Factorization 2 × 2 × 2 × 45 × 3 × 19 × 23 × 67

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 7905330
Product of the distinct prime numbers

The prime factorization of 31621320 is 2 × 2 × 2 × 45 × 3 × 19 × 23 × 67. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31621320)

Multiplication

n×y
n×2 63242640
n×3 94863960
n×4 126485280
n×5 158106600

Division

n÷y
n÷2 15810660
n÷3 10540440
n÷3 7905330
n÷5 6324264

Exponentiation

ny
n2 999907878542400
n3 3.161840699791E+22
n4 9.9981576557116E+29
n5 3.1615494264171E+37

Nth Root

y√n
2√n 5623.2837381729
3√n 316.22291060334
4√n 74.988557381596
5√n 31.622485275979

Divisors of 31621320

128 divisors

τ Total Divisors 128
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31621319
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0078125
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 128
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31621320 can be divided by 128 positive divisors. The sum of these divisors (counting 31621320) is 1, the average is 0.0078125.

Base conversion 31621320

Base System Value
2 Binary 1111000101000000011001000
3 Ternary 2012111112022000
4 Quaternary 1320220003020
5 Quinary 31043340240
6 Senary 3045431000
8 Octal 170500310
10 Decimal 31621320
12 Duodecimal a70b460
16 Hexadecimal 1e280c8
20 Vigesimal 9hcd60
36 Base36 itr60

Cryptographic Hash Functions

md5 eb41376fce388b9782066f6c9ab24831
sha1 23e4228597bc6c248504d5447c6ef0d076af7376
sha256 4578a6c31908f9092df7529b1f4a6a00954f3d79e036629cb085aeec47dc8a56
sha512 d9aef7f4ca573faf62a5d51f2f47d56c91b17f3df583c480ee4372d028e672dd0ec14df8a30b33864ac5301ac2249070023f89313293aa4006e794b857914ea1
ripemd-160 f3653bc6ff6bcd4d77b6eca65315215d965d2ca3

31621320 as geometric shapes

Circle

Radius = n
Diameter 63242640
Circumference 198682613.21762
Area 3.1413032454954E+15

Sphere

Radius = n
Volume 1.324428735238E+23
Surface area 1.2565212981981E+16
Circumference 198682613.21762

Square

Length = n
Perimeter 126485280
Area 999907878542400
Diagonal 44719299.60414

Cube

Length = n
Surface area 5999447271254400
Volume 3.161840699791E+22
Space diagonal 54769732.842394

Equilateral Triangle

Length = n
Perimeter 94863960
Area 4.3297281213096E+14
Altitude 27384866.421197

Triangular Pyramid

Length = n
Surface area 4.3297281213096E+14
Volume 3.7262649997564E+21
Height 14906433.20138