129031721 (number)

129031721 is an odd 9-digits composite number following 129031720 and preceding 129031722. In scientific notation, it is written as 1.29031721 × 10^8. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 102090960 positive integers (up to 129031721) that are relatively prime to 129031721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29031721 × 10^8
Engineering notation 1.29031721 × 10^6

Prime Factorization of 129031721

Prime Factorization 91 × 1417931

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129031721
Product of the distinct prime numbers

The prime factorization of 129031721 is 91 × 1417931. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129031721)

Multiplication

n×y
n×2 258063442
n×3 387095163
n×4 516126884
n×5 645158605

Division

n÷y
n÷2 64515860.5
n÷3 43010573.666667
n÷3 32257930.25
n÷5 25806344.2

Exponentiation

ny
n2 16649185024221841
n3 2.1482729969228E+24
n4 2.7719536197077E+32
n5 3.5766994608307E+40

Nth Root

y√n
2√n 11359.213044925
3√n 505.31884710312
4√n 106.57960895465
5√n 41.892791278382

Divisors of 129031721

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129031720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129031721 can be divided by 4 positive divisors. The sum of these divisors (counting 129031721) is 1, the average is 0.25.

Base conversion 129031721

Base System Value
2 Binary 111101100001101111000101001
3 Ternary 22222210111020122
4 Quaternary 13230031320221
5 Quinary 231013003341
6 Senary 20445333025
8 Octal 754157051
10 Decimal 129031721
12 Duodecimal 37267175
16 Hexadecimal 7b0de29
20 Vigesimal 2068j61
36 Base36 24tlih

Cryptographic Hash Functions

md5 d684f53f54e0fafb13ee26cf4f233682
sha1 855f61b6a19497910727000c485e4c346c823eab
sha256 efea9c0f335e7b2e244f41e7a510ac2bc38169748f36a56140237c18b9be79aa
sha512 8a4fb3f9986b4f9997d85ca54755bf0a70fef393153ab84984d8d57eacdf363f1d2d0f4e0e98809781944a96e66b8f38e6cb61613689aded2e72b9ae223df22e
ripemd-160 3dc7f7190f4e6ea9afbab1b9c2360cb90c1b9b1a

129031721 as geometric shapes

Circle

Radius = n
Diameter 258063442
Circumference 810730213.5473
Area 5.2304957360353E+16

Sphere

Radius = n
Volume 8.9986648867172E+24
Surface area 2.0921982944141E+17
Circumference 810730213.5473

Square

Length = n
Perimeter 516126884
Area 16649185024221841
Diagonal 182478409.81454

Cube

Length = n
Surface area 99895110145331046
Volume 2.1482729969228E+24
Space diagonal 223489496.56005

Equilateral Triangle

Length = n
Perimeter 387095163
Area 7.2093085916418E+15
Altitude 111744748.28003

Triangular Pyramid

Length = n
Surface area 7.2093085916418E+15
Volume 2.5317640066067E+23
Height 60826136.604847