21931489 (number)

21931489 is an odd 8-digits composite number following 21931488 and preceding 21931490. In scientific notation, it is written as 2.1931489 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 20977924 positive integers (up to 21931489) that are relatively prime to 21931489.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1931489 × 10^7
Engineering notation 2.1931489 × 10^6

Prime Factorization of 21931489

Prime Factorization 23 × 953543

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21931489
Product of the distinct prime numbers

The prime factorization of 21931489 is 23 × 953543. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21931489)

Multiplication

n×y
n×2 43862978
n×3 65794467
n×4 87725956
n×5 109657445

Division

n÷y
n÷2 10965744.5
n÷3 7310496.3333333
n÷3 5482872.25
n÷5 4386297.8

Exponentiation

ny
n2 480990209757121
n3 1.0548831494396E+22
n4 2.313515818822E+29
n5 5.0738846731821E+36

Nth Root

y√n
2√n 4683.106767948
3√n 279.91276619254
4√n 68.43322853664
5√n 29.390949981221

Divisors of 21931489

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21931488
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21931489 can be divided by 4 positive divisors. The sum of these divisors (counting 21931489) is 1, the average is 0.25.

Base conversion 21931489

Base System Value
2 Binary 1010011101010010111100001
3 Ternary 1112021020100101
4 Quaternary 1103222113201
5 Quinary 21103301424
6 Senary 2102022401
8 Octal 123522741
10 Decimal 21931489
12 Duodecimal 7417a01
16 Hexadecimal 14ea5e1
20 Vigesimal 6h18e9
36 Base36 d22g1

Cryptographic Hash Functions

md5 5d67453fd0bd58b7624a2e4888e774f8
sha1 f3bb403d15f8280658fcc66a34b0f5bcbb384539
sha256 e7ff5fdb4477a5af5a5573858b77c5b028425550a6afd58976fbe2e45cfcbe6b
sha512 1aeba612d57676108867ba45b59a91e794a96a76a4ba4a22de2ba097d8429c3d57403f985e6aee030d67b95f26f46ccf216de6645aba892151697eb4e5854724
ripemd-160 49a94f915e7e1c46f66934a04dc144893e371505

21931489 as geometric shapes

Circle

Radius = n
Diameter 43862978
Circumference 137799609.44937
Area 1.5110753094216E+15

Sphere

Radius = n
Volume 4.4186842035668E+22
Surface area 6.0443012376863E+15
Circumference 137799609.44937

Square

Length = n
Perimeter 87725956
Area 480990209757121
Diagonal 31015809.186836

Cube

Length = n
Surface area 2885941258542726
Volume 1.0548831494396E+22
Space diagonal 37986453.233638

Equilateral Triangle

Length = n
Perimeter 65794467
Area 2.0827487031064E+14
Altitude 18993226.616819

Triangular Pyramid

Length = n
Surface area 2.0827487031064E+14
Volume 1.2431917138803E+21
Height 10338603.062279