21000916 (number)

21000916 is an even 8-digits composite number following 21000915 and preceding 21000917. In scientific notation, it is written as 2.1000916 × 10^7. The sum of its digits is 19. It has a total of 5 prime factors and 24 positive divisors. There are 9671040 positive integers (up to 21000916) that are relatively prime to 21000916.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred sixteen

Notation

Scientific notation 2.1000916 × 10^7
Engineering notation 2.1000916 × 10^6

Prime Factorization of 21000916

Prime Factorization 2 × 2 × 17 × 47 × 6571

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10500458
Product of the distinct prime numbers

The prime factorization of 21000916 is 2 × 2 × 17 × 47 × 6571. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 1, 3, 2, 303, 207, 1543, 4551, 80573, 95723, 74978, 644303, 7855263, 9634578, 57129147, 78553571, 206802638, 125105850, 6756592276, 885280077

Basic calculations (n = 21000916)

Multiplication

n×y
n×2 42001832
n×3 63002748
n×4 84003664
n×5 105004580

Division

n÷y
n÷2 10500458
n÷3 7000305.3333333
n÷3 5250229
n÷5 4200183.2

Exponentiation

ny
n2 441038472839056
n3 9.2622119208613E+21
n4 1.9451493452421E+29
n5 4.0849918006884E+36

Nth Root

y√n
2√n 4582.6756376597
3√n 275.89642896796
4√n 67.6954624599
5√n 29.137188766395

Divisors of 21000916

1, 2, 4, 17, 34, 47, 68, 94, 188, 799, 1598, 3196, 6571, 13142, 26284, 111707, 223414, 308837, 446828, 617674, 1235348, 5250229, 10500458, 21000916

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21000915
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000916 can be divided by 24 positive divisors. The sum of these divisors (counting 21000916) is 1, the average is 0.041666666666667.

Base conversion 21000916

Base System Value
2 Binary 1010000000111001011010100
3 Ternary 1110111221211201
4 Quaternary 1100013023110
5 Quinary 20334012131
6 Senary 2030042244
8 Octal 120071324
10 Decimal 21000916
12 Duodecimal 7049384
16 Hexadecimal 14072d4
20 Vigesimal 6b525g
36 Base36 ci4es

Cryptographic Hash Functions

md5 17dd2b270d484daa188de0d89904f40a
sha1 fb4e5b7ba398e78746d68fd1c6386665be97479a
sha256 02b14444a37821260a94c5044cd2747c72fcdb445a1f596bf1bae5537e64c447
sha512 13d689b8414fafa422adca40cc169d4e2eabe7357ec3bfb8959f51934204c67ae7129c840cf31c782ff09a80423e162ff996e8a94a75d75fad6c36244a102a51
ripemd-160 455fe1878d25be1127572af2797c555aa3a9a12c

21000916 as geometric shapes

Circle

Radius = n
Diameter 42001832
Circumference 131952646.84851
Area 1.3855632262216E+15

Sphere

Radius = n
Volume 3.879746256876E+22
Surface area 5.5422529048866E+15
Circumference 131952646.84851

Square

Length = n
Perimeter 84003664
Area 441038472839056
Diagonal 29699780.229458

Cube

Length = n
Surface area 2646230837034336
Volume 9.2622119208613E+21
Space diagonal 36374653.517486

Equilateral Triangle

Length = n
Perimeter 63002748
Area 1.9097526076246E+14
Altitude 18187326.758743

Triangular Pyramid

Length = n
Surface area 1.9097526076246E+14
Volume 1.0915621430047E+21
Height 9899926.7431527