129611990 (number)

129611990 is an even 9-digits composite number following 129611989 and preceding 129611991. In scientific notation, it is written as 1.29611990 × 10^8. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 51797760 positive integers (up to 129611990) that are relatively prime to 129611990.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million six hundred eleven thousand nine hundred ninety

Notation

Scientific notation 1.29611990 × 10^8
Engineering notation 1.29611990 × 10^6

Prime Factorization of 129611990

Prime Factorization 2 × 5 × 1231 × 10529

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129611990
Product of the distinct prime numbers

The prime factorization of 129611990 is 2 × 5 × 1231 × 10529. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 8, 18, 93, 764, 972, 3777, 1989, 47325, 84216, 858892, 675922, 5826463, 6720702, 70357136, 88802220, 192751036, 507392882, 455081069, 8974953031

Basic calculations (n = 129611990)

Multiplication

n×y
n×2 259223980
n×3 388835970
n×4 518447960
n×5 648059950

Division

n÷y
n÷2 64805995
n÷3 43203996.666667
n÷3 32402997.5
n÷5 25922398

Exponentiation

ny
n2 16799267951760100
n3 2.1773865497709E+24
n4 2.8221540371503E+32
n5 3.6578500084159E+40

Nth Root

y√n
2√n 11384.726171498
3√n 506.0752048073
4√n 106.69923229104
5√n 41.9304029251

Divisors of 129611990

1, 2, 5, 10, 1231, 2462, 6155, 10529, 12310, 21058, 52645, 105290, 12961199, 25922398, 64805995, 129611990

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129611989
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129611990 can be divided by 16 positive divisors. The sum of these divisors (counting 129611990) is 1, the average is 0.0625.

Base conversion 129611990

Base System Value
2 Binary 111101110011011100011010110
3 Ternary 100000212222020002
4 Quaternary 13232123203112
5 Quinary 231140040430
6 Senary 20510011302
8 Octal 756334326
10 Decimal 129611990
12 Duodecimal 374a6b32
16 Hexadecimal 7b9b8d6
20 Vigesimal 20a19ja
36 Base36 256192

Cryptographic Hash Functions

md5 87e21b87e8a05dd1c40c5b75b522c5b4
sha1 bfd052c20e24e5ffd847401579aa951c33b455ec
sha256 8ae3265fb83244ceb40af61c2c6ed05e0a08049a56e987ce20c1901ff9921f54
sha512 a849bad7f338ffd8f88a545b5ba0fb9b0f5b564c1d5fecccbc450278d2d5c04705f59b4c7826f84e40ccf8d28fda46544bdb37d72a8e0bf03bc573eebb4c62ae
ripemd-160 9153f5a02f8340257b92817ed058c0ae00bbe223

129611990 as geometric shapes

Circle

Radius = n
Diameter 259223980
Circumference 814376151.20231
Area 5.2776456782936E+16

Sphere

Radius = n
Volume 9.1206154517138E+24
Surface area 2.1110582713174E+17
Circumference 814376151.20231

Square

Length = n
Perimeter 518447960
Area 16799267951760100
Diagonal 183299034.10417

Cube

Length = n
Surface area 100795607710560600
Volume 2.1773865497709E+24
Space diagonal 224494551.95011

Equilateral Triangle

Length = n
Perimeter 388835970
Area 7.274296405603E+15
Altitude 112247275.97505

Triangular Pyramid

Length = n
Surface area 7.274296405603E+15
Volume 2.5660746576789E+23
Height 61099678.034722