21331957 (number)

21331957 is an odd 8-digits composite number following 21331956 and preceding 21331958. In scientific notation, it is written as 2.1331957 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 19926720 positive integers (up to 21331957) that are relatively prime to 21331957.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred thirty-one thousand nine hundred fifty-seven

Notation

Scientific notation 2.1331957 × 10^7
Engineering notation 2.1331957 × 10^6

Prime Factorization of 21331957

Prime Factorization 17 × 17 × 223 × 331

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1254821
Product of the distinct prime numbers

The prime factorization of 21331957 is 17 × 17 × 223 × 331. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 6, 53, 3, 124, 616, 4298, 1471, 47490, 48765, 613799, 402767, 2925140, 6497272, 48258133, 93543589, 863575005, 422250222, 2155185763, 1569685922

Basic calculations (n = 21331957)

Multiplication

n×y
n×2 42663914
n×3 63995871
n×4 85327828
n×5 106659785

Division

n÷y
n÷2 10665978.5
n÷3 7110652.3333333
n÷3 5332989.25
n÷5 4266391.4

Exponentiation

ny
n2 455052389449849
n3 9.7071580044914E+21
n4 2.0707267714402E+29
n5 4.4172654447111E+36

Nth Root

y√n
2√n 4618.65315866
3√n 277.33854526052
4√n 67.960673618351
5√n 29.228473879187

Divisors of 21331957

1, 17, 223, 289, 331, 3791, 5627, 64447, 73813, 95659, 1254821, 21331957

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 -21331956
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 21331957 can be divided by 12 positive divisors. The sum of these divisors (counting 21331957) is 1, the average is 0.083333333333333.

Base conversion 21331957

Base System Value
2 Binary 1010001010111111111110101
3 Ternary 1111010202221111
4 Quaternary 1101113333311
5 Quinary 20430110312
6 Senary 2041115021
8 Octal 121277765
10 Decimal 21331957
12 Duodecimal 7188a71
16 Hexadecimal 1457ff5
20 Vigesimal 6d69hh
36 Base36 cp7ud

Cryptographic Hash Functions

md5 6345926bacd137d129790250df1a62ab
sha1 43527bd941329bc25f6849085ebfab016595d4b6
sha256 c85fe7bab763416734991254602f49f3bb7a46a6391ec078d6a9e1b073eb0436
sha512 2f1fed46cde7d587bbc3cba4ee476d693aa3b35b2eecb7a126de027d692bcbd4a8c32214c6cb193f8877d0fd46e4c53fe599f386606b8e183012c4603c72c390
ripemd-160 24eab435aec7a82ebdd813991d28e88e32e9785c

21331957 as geometric shapes

Circle

Radius = n
Diameter 42663914
Circumference 134032638.79579
Area 1.4295892436941E+15

Sphere

Radius = n
Volume 4.0661248365528E+22
Surface area 5.7183569747765E+15
Circumference 134032638.79579

Square

Length = n
Perimeter 85327828
Area 455052389449849
Diagonal 30167942.90136

Cube

Length = n
Surface area 2730314336699094
Volume 9.7071580044914E+21
Space diagonal 36948033.348875

Equilateral Triangle

Length = n
Perimeter 63995871
Area 1.9704346465819E+14
Altitude 18474016.674437

Triangular Pyramid

Length = n
Surface area 1.9704346465819E+14
Volume 1.1439995418375E+21
Height 10055980.96712