21031798 (number)

21031798 is an even 8-digits composite number following 21031797 and preceding 21031799. In scientific notation, it is written as 2.1031798 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 10058664 positive integers (up to 21031798) that are relatively prime to 21031798.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand seven hundred ninety-eight

Notation

Scientific notation 2.1031798 × 10^7
Engineering notation 2.1031798 × 10^6

Prime Factorization of 21031798

Prime Factorization 2 × 23 × 457213

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21031798
Product of the distinct prime numbers

The prime factorization of 21031798 is 2 × 23 × 457213. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031798)

Multiplication

n×y
n×2 42063596
n×3 63095394
n×4 84127192
n×5 105158990

Division

n÷y
n÷2 10515899
n÷3 7010599.3333333
n÷3 5257949.5
n÷5 4206359.6

Exponentiation

ny
n2 442336527112804
n3 9.303132486258E+21
n4 1.9566160321822E+29
n5 4.1151153152417E+36

Nth Root

y√n
2√n 4586.0438288355
3√n 276.03159863663
4√n 67.720335415852
5√n 29.145753020034

Divisors of 21031798

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 -21031797
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 21031798 can be divided by 8 positive divisors. The sum of these divisors (counting 21031798) is 1, the average is 0.125.

Base conversion 21031798

Base System Value
2 Binary 1010000001110101101110110
3 Ternary 1110120112012111
4 Quaternary 1100032231312
5 Quinary 20341004143
6 Senary 2030441234
8 Octal 120165566
10 Decimal 21031798
12 Duodecimal 706321a
16 Hexadecimal 140eb76
20 Vigesimal 6b8j9i
36 Base36 cis8m

Cryptographic Hash Functions

md5 109865302ad70e282b55aeeba3e7d43a
sha1 244bf120db4ea97fc78f6938d6f9f619897fb1b7
sha256 0f3de97da653c41a63c55e1561f4db8e944400796f9bbb9d6a13669e6b7ea93b
sha512 9d95ed992770ae9390e4b172767fe4839c54c9dd589e85baed6242189d543e93650ea678642cb9ca05320eb2b0b210e971ab6cdddbf82d0858e66bf6c1fd0e77
ripemd-160 fefa71b204e63aeea474b893c0c3af0210ecf897

21031798 as geometric shapes

Circle

Radius = n
Diameter 42063596
Circumference 132146684.17717
Area 1.389641183992E+15

Sphere

Radius = n
Volume 3.8968870232268E+22
Surface area 5.558564735968E+15
Circumference 132146684.17717

Square

Length = n
Perimeter 84127192
Area 442336527112804
Diagonal 29743453.972691

Cube

Length = n
Surface area 2654019162676824
Volume 9.303132486258E+21
Space diagonal 36428142.710525

Equilateral Triangle

Length = n
Perimeter 63095394
Area 1.9153733475074E+14
Altitude 18214071.355263

Triangular Pyramid

Length = n
Surface area 1.9153733475074E+14
Volume 1.096384677885E+21
Height 9914484.6575638