21031430 (number)

21031430 is an even 8-digits composite number following 21031429 and preceding 21031431. In scientific notation, it is written as 2.1031430 × 10^7. The sum of its digits is 14. It has a total of 3 prime factors and 8 positive divisors. There are 6896736 positive integers (up to 21031430) that are relatively prime to 21031430.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand four hundred thirty

Notation

Scientific notation 2.1031430 × 10^7
Engineering notation 2.1031430 × 10^6

Prime Factorization of 21031430

Prime Factorization 2 × 805 × 13063

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21031430
Product of the distinct prime numbers

The prime factorization of 21031430 is 2 × 805 × 13063. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031430)

Multiplication

n×y
n×2 42062860
n×3 63094290
n×4 84125720
n×5 105157150

Division

n÷y
n÷2 10515715
n÷3 7010476.6666667
n÷3 5257857.5
n÷5 4206286

Exponentiation

ny
n2 442321047844900
n3 9.3026441552767E+21
n4 1.9564790936661E+29
n5 4.1147553104902E+36

Nth Root

y√n
2√n 4586.0037069326
3√n 276.02998868994
4√n 67.720039182894
5√n 29.145651024834

Divisors of 21031430

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 -21031429
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 21031430 can be divided by 8 positive divisors. The sum of these divisors (counting 21031430) is 1, the average is 0.125.

Base conversion 21031430

Base System Value
2 Binary 1010000001110101000000110
3 Ternary 1110120111200212
4 Quaternary 1100032220012
5 Quinary 20341001210
6 Senary 2030435422
8 Octal 120165006
10 Decimal 21031430
12 Duodecimal 7062b72
16 Hexadecimal 140ea06
20 Vigesimal 6b8iba
36 Base36 cirye

Cryptographic Hash Functions

md5 c08b8a99ef1d49dec9474d049a654d24
sha1 081cb5f2d221e9dd7ef5cd657293518fc2898051
sha256 7d8034fb3c8e71eb79c5e566fd2d68e71825fe9df7e1be5756469486adcc0670
sha512 4008e3b9053d8e97db57723fe64b906ae84be1a2a742f21132a5a840d967d669284ba2571420016dc27dc4efc57b746c1fe3dea4f8096287eafd30e8259320e4
ripemd-160 0d9ee137eed849458a0a5725f84e35ac1627fc9c

21031430 as geometric shapes

Circle

Radius = n
Diameter 42062860
Circumference 132144371.96498
Area 1.3895925544377E+15

Sphere

Radius = n
Volume 3.8966824716236E+22
Surface area 5.5583702177507E+15
Circumference 132144371.96498

Square

Length = n
Perimeter 84125720
Area 442321047844900
Diagonal 29742933.5421

Cube

Length = n
Surface area 2653926287069400
Volume 9.3026441552767E+21
Space diagonal 36427505.315828

Equilateral Triangle

Length = n
Perimeter 63094290
Area 1.9153063203112E+14
Altitude 18213752.657914

Triangular Pyramid

Length = n
Surface area 1.9153063203112E+14
Volume 1.0963271275269E+21
Height 9914311.1807001