21031916 (number)

21031916 is an even 8-digits composite number following 21031915 and preceding 21031917. In scientific notation, it is written as 2.1031916 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors. There are 10495440 positive integers (up to 21031916) that are relatively prime to 21031916.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031916 × 10^7
Engineering notation 2.1031916 × 10^6

Prime Factorization of 21031916

Prime Factorization 2 × 2 × 541 × 9719

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10515958
Product of the distinct prime numbers

The prime factorization of 21031916 is 2 × 2 × 541 × 9719. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 4, 24, 69, 694, 643, 8045, 8165, 79959, 5232, 675145, 146478, 2771960, 6361010, 58970327, 82280419, 505756443, 306148915, 1096222124, 5564237789

Basic calculations (n = 21031916)

Multiplication

n×y
n×2 42063832
n×3 63095748
n×4 84127664
n×5 105159580

Division

n÷y
n÷2 10515958
n÷3 7010638.6666667
n÷3 5257979
n÷5 4206383.2

Exponentiation

ny
n2 442341490631056
n3 9.3032890742672E+21
n4 1.956659943337E+29
n5 4.115230756883E+36

Nth Root

y√n
2√n 4586.0566939365
3√n 276.03211486556
4√n 67.720430402771
5√n 29.145785724714

Divisors of 21031916

1, 2, 4, 541, 1082, 2164, 9719, 19438, 38876, 5257979, 10515958, 21031916

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 -21031915
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 21031916 can be divided by 12 positive divisors. The sum of these divisors (counting 21031916) is 1, the average is 0.083333333333333.

Base conversion 21031916

Base System Value
2 Binary 1010000001110101111101100
3 Ternary 1110120112100212
4 Quaternary 1100032233230
5 Quinary 20341010131
6 Senary 2030441552
8 Octal 120165754
10 Decimal 21031916
12 Duodecimal 70632b8
16 Hexadecimal 140ebec
20 Vigesimal 6b8jfg
36 Base36 cisbw

Cryptographic Hash Functions

md5 5457c44c99c5c3262f5406d1a6132943
sha1 9d0dd1f66167b0c67428db497a515b497040cb70
sha256 cb097b1a380f1ae37bb916b0c18f3896fcd10259528e6ddb5f3588e0fac9c109
sha512 7ba46fe75b2a41dd0492d61ec258231a268a87291f2b06c4d5132c0155866f154d181e33ef795d0e6713e4b04211fa691ed529630fdbee452adfd19f1098dea8
ripemd-160 2e220f3af8cef209adc29574c1f3887d44b6f0f8

21031916 as geometric shapes

Circle

Radius = n
Diameter 42063832
Circumference 132147425.59304
Area 1.3896567773445E+15

Sphere

Radius = n
Volume 3.8969526146587E+22
Surface area 5.5586271093779E+15
Circumference 132147425.59304

Square

Length = n
Perimeter 84127664
Area 442341490631056
Diagonal 29743620.849892

Cube

Length = n
Surface area 2654048943786336
Volume 9.3032890742672E+21
Space diagonal 36428347.092521

Equilateral Triangle

Length = n
Perimeter 63095748
Area 1.9153948401719E+14
Altitude 18214173.54626

Triangular Pyramid

Length = n
Surface area 1.9153948401719E+14
Volume 1.0964031319588E+21
Height 9914540.2832972