20856972 (number)

20856972 is an even 8-digits composite number following 20856971 and preceding 20856973. In scientific notation, it is written as 2.0856972 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors. There are 6737280 positive integers (up to 20856972) that are relatively prime to 20856972.

Interesting facts

Basic properties

Name

Name twenty million eight hundred fifty-six thousand nine hundred seventy-two

Notation

Scientific notation 2.0856972 × 10^7
Engineering notation 2.0856972 × 10^6

Prime Factorization of 20856972

Prime Factorization 2 × 2 × 3 × 5251 × 331

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10428486
Product of the distinct prime numbers

The prime factorization of 20856972 is 2 × 2 × 3 × 5251 × 331. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 10, 63, 49, 264, 963, 5834, 5467, 99233, 42139, 943594, 542361, 9274339, 1595352, 69456665, 42042609, 810172631, 32678377, 8025182945, 8442708062

Basic calculations (n = 20856972)

Multiplication

n×y
n×2 41713944
n×3 62570916
n×4 83427888
n×5 104284860

Division

n÷y
n÷2 10428486
n÷3 6952324
n÷3 5214243
n÷5 4171394.4

Exponentiation

ny
n2 435013281008784
n3 9.0730598216283E+21
n4 1.8923655465403E+29
n5 3.9469015217955E+36

Nth Root

y√n
2√n 4566.9433979413
3√n 275.26463561459
4√n 67.57916393343
5√n 29.097136514164

Divisors of 20856972

1, 2, 3, 4, 6, 12, 331, 662, 993, 1324, 1986, 3972, 5251, 10502, 15753, 21004, 31506, 63012, 1738081, 3476162, 5214243, 6952324, 10428486, 20856972

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 -20856971
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 20856972 can be divided by 24 positive divisors. The sum of these divisors (counting 20856972) is 1, the average is 0.041666666666667.

Base conversion 20856972

Base System Value
2 Binary 1001111100100000010001100
3 Ternary 1110020122101110
4 Quaternary 1033210002030
5 Quinary 20314410342
6 Senary 2023012020
8 Octal 117440214
10 Decimal 20856972
12 Duodecimal 6b9a010
16 Hexadecimal 13e408c
20 Vigesimal 6a728c
36 Base36 cf1cc

Cryptographic Hash Functions

md5 ba5ef912eb9cc899d761ccd360021ec8
sha1 692d44e510dbe13b8710e88814aa9962d7b5dcc1
sha256 cd4d8c4e5187ebc2dee5fac67f0f190363fcc2872ad79be350b7ef50f45396a9
sha512 43c163043921f0de20e7637c60982fdeaa76753a518d8e820e651b9b558533d3f1d0500bba19f137dbbc49367a25f065bd01f452012cad67f7e59e9888d13a7e
ripemd-160 68afd464c4341abf015f05556c10155e3d448805

20856972 as geometric shapes

Circle

Radius = n
Diameter 41713944
Circumference 131048220.02266
Area 1.3666345278312E+15

Sphere

Radius = n
Volume 3.8005144108278E+22
Surface area 5.4665381113248E+15
Circumference 131048220.02266

Square

Length = n
Perimeter 83427888
Area 435013281008784
Diagonal 29496212.672436

Cube

Length = n
Surface area 2610079686052704
Volume 9.0730598216283E+21
Space diagonal 36125335.196041

Equilateral Triangle

Length = n
Perimeter 62570916
Area 1.8836627616861E+14
Altitude 18062667.598021

Triangular Pyramid

Length = n
Surface area 1.8836627616861E+14
Volume 1.0692703543308E+21
Height 9832070.890812