20686972 (number)

20686972 is an even 8-digits composite number following 20686971 and preceding 20686973. In scientific notation, it is written as 2.0686972 × 10^7. The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors. There are 9755136 positive integers (up to 20686972) that are relatively prime to 20686972.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-six thousand nine hundred seventy-two

Notation

Scientific notation 2.0686972 × 10^7
Engineering notation 2.0686972 × 10^6

Prime Factorization of 20686972

Prime Factorization 2 × 2 × 19 × 293 × 929

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10343486
Product of the distinct prime numbers

The prime factorization of 20686972 is 2 × 2 × 19 × 293 × 929. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 7, 52, 39, 499, 125, 4569, 3821, 25189, 47180, 450547, 453816, 9050907, 991660, 371679, 78730215, 176670233, 467558619, 7286595178, 4353542346

Basic calculations (n = 20686972)

Multiplication

n×y
n×2 41373944
n×3 62060916
n×4 82747888
n×5 103434860

Division

n÷y
n÷2 10343486
n÷3 6895657.3333333
n÷3 5171743
n÷5 4137394.4

Exponentiation

ny
n2 427950810528784
n3 8.8530064347863E+21
n4 1.8314189623224E+29
n5 3.7886512793833E+36

Nth Root

y√n
2√n 4548.2933062853
3√n 274.5147232269
4√n 67.441035774114
5√n 29.049548401667

Divisors of 20686972

1, 2, 4, 19, 38, 76, 293, 586, 929, 1172, 1858, 3716, 5567, 11134, 17651, 22268, 35302, 70604, 272197, 544394, 1088788, 5171743, 10343486, 20686972

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 -20686971
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 20686972 can be divided by 24 positive divisors. The sum of these divisors (counting 20686972) is 1, the average is 0.041666666666667.

Base conversion 20686972

Base System Value
2 Binary 1001110111010100001111100
3 Ternary 1102221000012011
4 Quaternary 1032322201330
5 Quinary 20243440342
6 Senary 2015221004
8 Octal 116724174
10 Decimal 20686972
12 Duodecimal 6b17764
16 Hexadecimal 13ba87c
20 Vigesimal 695h8c
36 Base36 cbe64

Cryptographic Hash Functions

md5 dbb471e7ebb61828a72d719374bfb38f
sha1 20d754d51e209b4d5e01a93cd26c2845edcf8069
sha256 626b5ffa7d9fddc46c8e9e546c7745146d9ebdfb4eacb7fe8c71336d322790a8
sha512 b5c1e07ee03e99a4d7d6d5692111d33b0e9d6495185066f1f0a3d98fd2eea8274d07a6bd6556594ff776c291379849f2f0e5000590f27f516bce93c4750fc950
ripemd-160 481d17f91def920575055a84983483b2e993dc6f

20686972 as geometric shapes

Circle

Radius = n
Diameter 41373944
Circumference 129980078.52044
Area 1.344447122455E+15

Sphere

Radius = n
Volume 3.7083386636944E+22
Surface area 5.3777884898201E+15
Circumference 129980078.52044

Square

Length = n
Perimeter 82747888
Area 427950810528784
Diagonal 29255796.366832

Cube

Length = n
Surface area 2567704863172704
Volume 8.8530064347863E+21
Space diagonal 35830886.558755

Equilateral Triangle

Length = n
Perimeter 62060916
Area 1.8530813674403E+14
Altitude 17915443.279377

Triangular Pyramid

Length = n
Surface area 1.8530813674403E+14
Volume 1.0433368139876E+21
Height 9751932.1222775