20129920 (number)

20129920 is an even 8-digits composite number following 20129919 and preceding 20129921. In scientific notation, it is written as 2.0129920 × 10^7. The sum of its digits is 25. It has a total of 10 prime factors and 64 positive divisors. There are 7920640 positive integers (up to 20129920) that are relatively prime to 20129920.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-nine thousand nine hundred twenty

Notation

Scientific notation 2.0129920 × 10^7
Engineering notation 2.0129920 × 10^6

Prime Factorization of 20129920

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 71 × 443

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 314530
Product of the distinct prime numbers

The prime factorization of 20129920 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 71 × 443. Since it has a total of 10 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20129920)

Multiplication

n×y
n×2 40259840
n×3 60389760
n×4 80519680
n×5 100649600

Division

n÷y
n÷2 10064960
n÷3 6709973.3333333
n÷3 5032480
n÷5 4025984

Exponentiation

ny
n2 405213679206400
n3 8.1569189453305E+21
n4 1.6419812581599E+29
n5 3.3052951368258E+36

Nth Root

y√n
2√n 4486.6379394821
3√n 272.02825542689
4√n 66.982370363269
5√n 28.891388203915

Divisors of 20129920

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20129919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20129920 can be divided by 64 positive divisors. The sum of these divisors (counting 20129920) is 1, the average is 0.015625.

Base conversion 20129920

Base System Value
2 Binary 1001100110010100010000000
3 Ternary 1101212201001121
4 Quaternary 1030302202000
5 Quinary 20123124140
6 Senary 1555242024
8 Octal 114624200
10 Decimal 20129920
12 Duodecimal 68a9314
16 Hexadecimal 1332880
20 Vigesimal 65g4g0
36 Base36 bzgcg

Cryptographic Hash Functions

md5 176425b4cc2f6353c7cddb1aa5eadce3
sha1 ce8769c403b14b83c0983f25f88282b056253719
sha256 3c71153fa043858ed3c9c1f8493efe4fdddd93da999d11393152b9b838e5d714
sha512 e9d836a68eb425348b29d2f96e3558c9f639526f9be008a9efa9ea61eaea774859c0b72c40005e0dd9ae4bd42015370a0a38bf9c3cdc51911e759ea16b8ac203
ripemd-160 64fdafe6b5df46ba3f78bf6d111031459e9122f3

20129920 as geometric shapes

Circle

Radius = n
Diameter 40259840
Circumference 126480017.5787
Area 1.2730163177289E+15

Sphere

Radius = n
Volume 3.4167622179437E+22
Surface area 5.0920652709157E+15
Circumference 126480017.5787

Square

Length = n
Perimeter 80519680
Area 405213679206400
Diagonal 28468005.873485

Cube

Length = n
Surface area 2431282075238400
Volume 8.1569189453305E+21
Space diagonal 34866044.192297

Equilateral Triangle

Length = n
Perimeter 60389760
Area 1.7546267007685E+14
Altitude 17433022.096148

Triangular Pyramid

Length = n
Surface area 1.7546267007685E+14
Volume 9.613021166387E+20
Height 9489335.2911618