20451220 (number)

20451220 is an even 8-digits composite number following 20451219 and preceding 20451221. In scientific notation, it is written as 2.0451220 × 10^7. The sum of its digits is 16. It has a total of 5 prime factors and 24 positive divisors. There are 7749792 positive integers (up to 20451220) that are relatively prime to 20451220.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-one thousand two hundred twenty

Notation

Scientific notation 2.0451220 × 10^7
Engineering notation 2.0451220 × 10^6

Prime Factorization of 20451220

Prime Factorization 2 × 2 × 5 × 19 × 53819

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10225610
Product of the distinct prime numbers

The prime factorization of 20451220 is 2 × 2 × 5 × 19 × 53819. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 3, 20, 6, 923, 970, 8267, 2704, 29263, 64340, 545324, 751700, 7196774, 3302367, 12456740, 25859132, 13629701, 419664181, 2015015752, 3163486358

Basic calculations (n = 20451220)

Multiplication

n×y
n×2 40902440
n×3 61353660
n×4 81804880
n×5 102256100

Division

n÷y
n÷2 10225610
n÷3 6817073.3333333
n÷3 5112805
n÷5 4090244

Exponentiation

ny
n2 418252399488400
n3 8.5537718374652E+21
n4 1.749350696778E+29
n5 3.5776355956961E+36

Nth Root

y√n
2√n 4522.3025108898
3√n 273.46793225373
4√n 67.248066967682
5√n 28.983033854239

Divisors of 20451220

1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 53819, 107638, 215276, 269095, 538190, 1022561, 1076380, 2045122, 4090244, 5112805, 10225610, 20451220

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 -20451219
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 20451220 can be divided by 24 positive divisors. The sum of these divisors (counting 20451220) is 1, the average is 0.041666666666667.

Base conversion 20451220

Base System Value
2 Binary 1001110000000111110010100
3 Ternary 1102111000210121
4 Quaternary 1032000332110
5 Quinary 20213414340
6 Senary 2010201324
8 Octal 116007624
10 Decimal 20451220
12 Duodecimal 6a23244
16 Hexadecimal 1380f94
20 Vigesimal 67g810
36 Base36 c6c9g

Cryptographic Hash Functions

md5 3b7d051d98910e01156208826ebbb832
sha1 ddb91b3ec3d0dabcf83b16a0c0261581b80cbdc7
sha256 b81a87ed4f640a8ff03e1b566edab76c9849eca7a993b4858882a75b4c3e7f6a
sha512 1050e87cbeba8091881cd295fd315fb5f2c9ad0b484278401391f02a39a80d9dc0fb11e8a38bf23cab4819b0e04fabe8a629ed6b8280c62733fb9eb552ef432f
ripemd-160 dabf3d62f54143e44621b89788e751064f7ff5e8

20451220 as geometric shapes

Circle

Radius = n
Diameter 40902440
Circumference 128498805.0179
Area 1.3139786655791E+15

Sphere

Radius = n
Volume 3.5829955686752E+22
Surface area 5.2559146623162E+15
Circumference 128498805.0179

Square

Length = n
Perimeter 81804880
Area 418252399488400
Diagonal 28922392.691076

Cube

Length = n
Surface area 2509514396930400
Volume 8.5537718374652E+21
Space diagonal 35422552.116769

Equilateral Triangle

Length = n
Perimeter 61353660
Area 1.8110860157538E+14
Altitude 17711276.058384

Triangular Pyramid

Length = n
Surface area 1.8110860157538E+14
Volume 1.008071678499E+21
Height 9640797.563692