129898990 (number)

129898990 is an even 9-digits composite number following 129898989 and preceding 129898991. In scientific notation, it is written as 1.29898990 × 10^8. The sum of its digits is 55. It has a total of 5 prime factors and 32 positive divisors. There are 46414080 positive integers (up to 129898990) that are relatively prime to 129898990.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29898990 × 10^8
Engineering notation 1.29898990 × 10^6

Prime Factorization of 129898990

Prime Factorization 2 × 5 × 31 × 13 × 32233

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 129898990
Product of the distinct prime numbers

The prime factorization of 129898990 is 2 × 5 × 31 × 13 × 32233. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129898990)

Multiplication

n×y
n×2 259797980
n×3 389696970
n×4 519595960
n×5 649494950

Division

n÷y
n÷2 64949495
n÷3 43299663.333333
n÷3 32474747.5
n÷5 25979798

Exponentiation

ny
n2 16873747603020100
n3 2.1918827711472E+24
n4 2.8472335817043E+32
n5 3.6985276655747E+40

Nth Root

y√n
2√n 11397.323808684
3√n 506.44846377074
4√n 106.75824937064
5√n 41.948955808973

Divisors of 129898990

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 -129898989
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 129898990 can be divided by 32 positive divisors. The sum of these divisors (counting 129898990) is 1, the average is 0.03125.

Base conversion 129898990

Base System Value
2 Binary 111101111100001100111101110
3 Ternary 100001102112220201
4 Quaternary 13233201213232
5 Quinary 231223231430
6 Senary 20520104114
8 Octal 757414756
10 Decimal 129898990
12 Duodecimal 3760503a
16 Hexadecimal 7be19ee
20 Vigesimal 20bh79a
36 Base36 25c6pa

Cryptographic Hash Functions

md5 ec499d1f902d34fe91648b9032aa5b61
sha1 86e56c4fbc6ad5b4489abf9a66f374cf09a8741b
sha256 455492ecab24a8ed74943540fa3020d0ac7c1dfacdf5bfdb3af7f57698b8349f
sha512 af503b0311c00d0d2ff53e0b7daf485df0aee50c9b7485a9cfbdb0ce6838e5fcf3ead2be13065861efad8258cd59a8c9bb0849e871aace70164acce768c08ee2
ripemd-160 1430ee01931ebdde1a5e553ed1360cd011841e72

129898990 as geometric shapes

Circle

Radius = n
Diameter 259797980
Circumference 816179425.38547
Area 5.3010441508176E+16

Sphere

Radius = n
Volume 9.1813370818216E+24
Surface area 2.1204176603271E+17
Circumference 816179425.38547

Square

Length = n
Perimeter 519595960
Area 16873747603020100
Diagonal 183704913.39657

Cube

Length = n
Surface area 101242485618120600
Volume 2.1918827711472E+24
Space diagonal 224991650.53188

Equilateral Triangle

Length = n
Perimeter 389696970
Area 7.3065470406311E+15
Altitude 112495825.26594

Triangular Pyramid

Length = n
Surface area 7.3065470406311E+15
Volume 2.5831586184069E+23
Height 61234971.132189