21031372 (number)

21031372 is an even 8-digits composite number following 21031371 and preceding 21031373. In scientific notation, it is written as 2.1031372 × 10^7. The sum of its digits is 19. It has a total of 4 prime factors and 12 positive divisors. There are 10291856 positive integers (up to 21031372) that are relatively prime to 21031372.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand three hundred seventy-two

Notation

Scientific notation 2.1031372 × 10^7
Engineering notation 2.1031372 × 10^6

Prime Factorization of 21031372

Prime Factorization 2 × 2 × 47 × 111869

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10515686
Product of the distinct prime numbers

The prime factorization of 21031372 is 2 × 2 × 47 × 111869. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 8, 81, 48, 622, 49, 6070, 4273, 43081, 50532, 837341, 908050, 2697353, 6746737, 41882158, 63793981, 642091538, 610991098, 7243365903, 6277772625

Basic calculations (n = 21031372)

Multiplication

n×y
n×2 42062744
n×3 63094116
n×4 84125488
n×5 105156860

Division

n÷y
n÷2 10515686
n÷3 7010457.3333333
n÷3 5257843
n÷5 4206274.4

Exponentiation

ny
n2 442318608202384
n3 9.3025671916266E+21
n4 1.9564575116209E+29
n5 4.1146985729094E+36

Nth Root

y√n
2√n 4585.9973833399
3√n 276.02973494663
4√n 67.719992493649
5√n 29.145634949373

Divisors of 21031372

1, 2, 4, 47, 94, 188, 111869, 223738, 447476, 5257843, 10515686, 21031372

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031371
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031372 can be divided by 12 positive divisors. The sum of these divisors (counting 21031372) is 1, the average is 0.083333333333333.

Base conversion 21031372

Base System Value
2 Binary 1010000001110100111001100
3 Ternary 1110120111121201
4 Quaternary 1100032213030
5 Quinary 20341000442
6 Senary 2030435244
8 Octal 120164714
10 Decimal 21031372
12 Duodecimal 7062b24
16 Hexadecimal 140e9cc
20 Vigesimal 6b8i8c
36 Base36 cirws

Cryptographic Hash Functions

md5 b4a1450ed38b2d19ec6ec2ec258a8d3a
sha1 b20cc8c71d5a08f8a8f9017703df9e1c32e1bec0
sha256 f49337bed83516cc305ed49956c6ee1154f04888a676f6dc81e32ec94cb67c90
sha512 e974f3cbd0f288eb0c3465d4dcc16b4a65b38f7c275dddcf1e71dc6107a6002bcfe6e54852bf9d114dd30e622128bcdb5788b0185c378f08c96aa0071f733b07
ripemd-160 46f7ec1d3502378c680ea536481decd297b22ef3

21031372 as geometric shapes

Circle

Radius = n
Diameter 42062744
Circumference 132144007.54023
Area 1.3895848900747E+15

Sphere

Radius = n
Volume 3.8966502331653E+22
Surface area 5.5583395602987E+15
Circumference 132144007.54023

Square

Length = n
Perimeter 84125488
Area 442318608202384
Diagonal 29742851.517714

Cube

Length = n
Surface area 2653911649214304
Volume 9.3025671916266E+21
Space diagonal 36427404.856881

Equilateral Triangle

Length = n
Perimeter 63094116
Area 1.9152957563492E+14
Altitude 18213702.428441

Triangular Pyramid

Length = n
Surface area 1.9152957563492E+14
Volume 1.0963180572738E+21
Height 9914283.8392379