21500972 (number)

21500972 is an even 8-digits composite number following 21500971 and preceding 21500973. In scientific notation, it is written as 2.1500972 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors. There are 10694400 positive integers (up to 21500972) that are relatively prime to 21500972.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred thousand nine hundred seventy-two

Notation

Scientific notation 2.1500972 × 10^7
Engineering notation 2.1500972 × 10^6

Prime Factorization of 21500972

Prime Factorization 2 × 2 × 193 × 27851

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10750486
Product of the distinct prime numbers

The prime factorization of 21500972 is 2 × 2 × 193 × 27851. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 3, 31, 58, 358, 284, 9171, 3985, 75569, 8183, 442062, 73108, 7159289, 2543394, 94444697, 62490926, 256167870, 199933213, 4004395851, 6885722521

Basic calculations (n = 21500972)

Multiplication

n×y
n×2 43001944
n×3 64502916
n×4 86003888
n×5 107504860

Division

n÷y
n÷2 10750486
n÷3 7166990.6666667
n÷3 5375243
n÷5 4300194.4

Exponentiation

ny
n2 462291796944784
n3 9.9397229819395E+21
n4 2.1371370552244E+29
n5 4.5950523984542E+36

Nth Root

y√n
2√n 4636.9140600188
3√n 278.06907863612
4√n 68.094890116798
5√n 29.2746437486

Divisors of 21500972

1, 2, 4, 193, 386, 772, 27851, 55702, 111404, 5375243, 10750486, 21500972

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 -21500971
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 21500972 can be divided by 12 positive divisors. The sum of these divisors (counting 21500972) is 1, the average is 0.083333333333333.

Base conversion 21500972

Base System Value
2 Binary 1010010000001010000101100
3 Ternary 1111110100210022
4 Quaternary 1102001100230
5 Quinary 21001012342
6 Senary 2044501312
8 Octal 122012054
10 Decimal 21500972
12 Duodecimal 724a838
16 Hexadecimal 148142c
20 Vigesimal 6e7c8c
36 Base36 csu98

Cryptographic Hash Functions

md5 825b8e40e538dd44d98ee6d46f390d03
sha1 9d75062a0d91677cdcbc27f292a9224f5df370d8
sha256 d93ac3e68fed38662f283a0b1ba842064a472c47f91ec51254e56b6f3f069f7c
sha512 0f02d7d1d50714e3c2c70c30184662d8e50c6f8caa8b2e6c11de1f7c4e3ed0f2bf492e6f2f68e1af23fe7ad1458c19a86205adbc624d90b5a8e989614de63388
ripemd-160 66d2ec20c039dc8e1d2e7a4624107a6580148f7c

21500972 as geometric shapes

Circle

Radius = n
Diameter 43001944
Circumference 135094591.36048
Area 1.4523325130966E+15

Sphere

Radius = n
Volume 4.1635414265038E+22
Surface area 5.8093300523862E+15
Circumference 135094591.36048

Square

Length = n
Perimeter 86003888
Area 462291796944784
Diagonal 30406966.206604

Cube

Length = n
Surface area 2773750781668704
Volume 9.9397229819395E+21
Space diagonal 37240775.916116

Equilateral Triangle

Length = n
Perimeter 64502916
Area 2.0017822005767E+14
Altitude 18620387.958058

Triangular Pyramid

Length = n
Surface area 2.0017822005767E+14
Volume 1.1714075872742E+21
Height 10135655.402201