20851493 (number)

20851493 is an odd 8-digits composite number following 20851492 and preceding 20851494. In scientific notation, it is written as 2.0851493 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 32 positive divisors. There are 16934400 positive integers (up to 20851493) that are relatively prime to 20851493.

Interesting facts

Basic properties

Name

Name twenty million eight hundred fifty-one thousand four hundred ninety-three

Notation

Scientific notation 2.0851493 × 10^7
Engineering notation 2.0851493 × 10^6

Prime Factorization of 20851493

Prime Factorization 13 × 41 × 19 × 29 × 71

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20851493
Product of the distinct prime numbers

The prime factorization of 20851493 is 13 × 41 × 19 × 29 × 71. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 8, 11, 55, 89, 325, 2077, 8873, 73752, 6306, 347426, 699015, 8325214, 701870, 4694924, 64904721, 207388105, 319095028, 8438346044, 5673143254

Basic calculations (n = 20851493)

Multiplication

n×y
n×2 41702986
n×3 62554479
n×4 83405972
n×5 104257465

Division

n÷y
n÷2 10425746.5
n÷3 6950497.6666667
n÷3 5212873.25
n÷5 4170298.6

Exponentiation

ny
n2 434784760329049
n3 9.0659113865078E+21
n4 1.8903778781439E+29
n5 3.9417201093472E+36

Nth Root

y√n
2√n 4566.3435043807
3√n 275.24053005378
4√n 67.574725337072
5√n 29.095607625259

Divisors of 20851493

1, 13, 19, 29, 41, 71, 247, 377, 533, 551, 779, 923, 1189, 1349, 2059, 2911, 7163, 10127, 15457, 17537, 22591, 26767, 37843, 39121, 55309, 84419, 293683, 508573, 719017, 1097447, 1603961, 20851493

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20851492
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20851493 can be divided by 32 positive divisors. The sum of these divisors (counting 20851493) is 1, the average is 0.03125.

Base conversion 20851493

Base System Value
2 Binary 1001111100010101100100101
3 Ternary 1110020100212112
4 Quaternary 1033202230211
5 Quinary 20314221433
6 Senary 2022530405
8 Octal 117425445
10 Decimal 20851493
12 Duodecimal 6b96a05
16 Hexadecimal 13e2b25
20 Vigesimal 6a68ed
36 Base36 cex45

Cryptographic Hash Functions

md5 383772ca71fef1283fe4de7c375437e4
sha1 e7e9062a3a22050e0b17fca6c41c9849025d5eaa
sha256 19cc5b8b27b20e8010388986b4b9f1e50cc4226c2a4eff15208cf585e302a308
sha512 908e5c241b470dcbfba14417676f438f29f95a485bcefdd0db64c96b29768aa109b655d2d00f2289e4135c52b5524cc7e3d4315270c6fa8c01edb8578a271af6
ripemd-160 b3708cd872fc6530b377f1d735df91be20b956e1

20851493 as geometric shapes

Circle

Radius = n
Diameter 41702986
Circumference 131013794.45036
Area 1.3659166089425E+15

Sphere

Radius = n
Volume 3.7975200813265E+22
Surface area 5.4636664357702E+15
Circumference 131013794.45036

Square

Length = n
Perimeter 83405972
Area 434784760329049
Diagonal 29488464.196328

Cube

Length = n
Surface area 2608708561974294
Volume 9.0659113865078E+21
Space diagonal 36115845.289667

Equilateral Triangle

Length = n
Perimeter 62554479
Area 1.8826732381164E+14
Altitude 18057922.644833

Triangular Pyramid

Length = n
Surface area 1.8826732381164E+14
Volume 1.0684279031727E+21
Height 9829488.0654426