21031239 (number)

21031239 is an odd 8-digits composite number following 21031238 and preceding 21031240. In scientific notation, it is written as 2.1031239 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 14008896 positive integers (up to 21031239) that are relatively prime to 21031239.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand two hundred thirty-nine

Notation

Scientific notation 2.1031239 × 10^7
Engineering notation 2.1031239 × 10^6

Prime Factorization of 21031239

Prime Factorization 3 × 4357 × 1609

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21031239
Product of the distinct prime numbers

The prime factorization of 21031239 is 3 × 4357 × 1609. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031239)

Multiplication

n×y
n×2 42062478
n×3 63093717
n×4 84124956
n×5 105156195

Division

n÷y
n÷2 10515619.5
n÷3 7010413
n÷3 5257809.75
n÷5 4206247.8

Exponentiation

ny
n2 442313013875121
n3 9.302390707618E+21
n4 1.9564080224329E+29
n5 4.1145684701304E+36

Nth Root

y√n
2√n 4585.9828826545
3√n 276.02915308521
4√n 67.719885430016
5√n 29.145598086545

Divisors of 21031239

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031238
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031239 can be divided by 8 positive divisors. The sum of these divisors (counting 21031239) is 1, the average is 0.125.

Base conversion 21031239

Base System Value
2 Binary 1010000001110100101000111
3 Ternary 1110120111102210
4 Quaternary 1100032211013
5 Quinary 20340444424
6 Senary 2030434503
8 Octal 120164507
10 Decimal 21031239
12 Duodecimal 7062a33
16 Hexadecimal 140e947
20 Vigesimal 6b8i1j
36 Base36 cirt3

Cryptographic Hash Functions

md5 28be823c19464ab2722a94f659c72448
sha1 01424896827bb0e36e89daa556cb89995b8af39c
sha256 07190ce01a539f68bca089498f9a3915e57d87e73f3981b9700c9730e0853b40
sha512 232b4e0f2b0ac4421f17b0a9ed03d54e9e468b7587b6cad150dbe62ec49c6b460301f899bf8fd2f69468322a68ea775ad08932c0ea3cdd0ec82bb491526733ee
ripemd-160 13e5185301a5094386b4bab337a53d8a9af1d3ae

21031239 as geometric shapes

Circle

Radius = n
Diameter 42062478
Circumference 132143171.87658
Area 1.3895673149772E+15

Sphere

Radius = n
Volume 3.8965763077166E+22
Surface area 5.558269259909E+15
Circumference 132143171.87658

Square

Length = n
Perimeter 84124956
Area 442313013875121
Diagonal 29742663.42731

Cube

Length = n
Surface area 2653878083250726
Volume 9.302390707618E+21
Space diagonal 36427174.494124

Equilateral Triangle

Length = n
Perimeter 63093717
Area 1.9152715322016E+14
Altitude 18213587.247062

Triangular Pyramid

Length = n
Surface area 1.9152715322016E+14
Volume 1.0962972584339E+21
Height 9914221.1424367