129021655 (number)

129021655 is an odd 9-digits composite number following 129021654 and preceding 129021656. In scientific notation, it is written as 1.29021655 × 10^8. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 88471824 positive integers (up to 129021655) that are relatively prime to 129021655.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million twenty-one thousand six hundred fifty-five

Notation

Scientific notation 1.29021655 × 10^8
Engineering notation 1.29021655 × 10^6

Prime Factorization of 129021655

Prime Factorization 5 × 7 × 7 × 526619

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18431665
Product of the distinct prime numbers

The prime factorization of 129021655 is 5 × 7 × 7 × 526619. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 5, 49, 1, 774, 810, 3446, 1141, 30993, 30423, 952953, 704508, 3193914, 3012398, 15747826, 25227655, 407552533, 373047569, 9228468716, 351502103

Basic calculations (n = 129021655)

Multiplication

n×y
n×2 258043310
n×3 387064965
n×4 516086620
n×5 645108275

Division

n÷y
n÷2 64510827.5
n÷3 43007218.333333
n÷3 32255413.75
n÷5 25804331

Exponentiation

ny
n2 16646587458939025
n3 2.1477702640546E+24
n4 2.7710887402811E+32
n5 3.5753045542293E+40

Nth Root

y√n
2√n 11358.769959815
3√n 505.30570647963
4√n 106.57753027639
5√n 41.892137631367

Divisors of 129021655

1, 5, 7, 35, 49, 245, 526619, 2633095, 3686333, 18431665, 25804331, 129021655

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129021654
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129021655 can be divided by 12 positive divisors. The sum of these divisors (counting 129021655) is 1, the average is 0.083333333333333.

Base conversion 129021655

Base System Value
2 Binary 111101100001011011011010111
3 Ternary 22222202222102211
4 Quaternary 13230023123113
5 Quinary 231012143110
6 Senary 20445214251
8 Octal 754133327
10 Decimal 129021655
12 Duodecimal 37261387
16 Hexadecimal 7b0b6d7
20 Vigesimal 2067e2f
36 Base36 24tdqv

Cryptographic Hash Functions

md5 2bee9a41c6c82f5afc44521c7d00b3ad
sha1 d74783cf18668f11511240449f60ab473019dcbd
sha256 e240ba3492a3a1654c5e6c3100b6e523d475c067f26c927ea828f78f4e187cb2
sha512 5d09997e91738b631469003d690ab1e8cf0210a65dfe80734cd122ed0ec6c343e686d9dd98fe6cfd7a3b4180653ac4683a8ffbda3062623ac58a3b05796ad291
ripemd-160 68ff932a0cf7bdfeae2b60912e682eaddd965de4

129021655 as geometric shapes

Circle

Radius = n
Diameter 258043310
Circumference 810666967.00399
Area 5.2296796868343E+16

Sphere

Radius = n
Volume 8.9965590442032E+24
Surface area 2.0918718747337E+17
Circumference 810666967.00399

Square

Length = n
Perimeter 516086620
Area 16646587458939025
Diagonal 182464174.34082

Cube

Length = n
Surface area 99879524753634150
Volume 2.1477702640546E+24
Space diagonal 223472061.73662

Equilateral Triangle

Length = n
Perimeter 387064965
Area 7.2081838128803E+15
Altitude 111736030.86831

Triangular Pyramid

Length = n
Surface area 7.2081838128803E+15
Volume 2.5311715302397E+23
Height 60821391.446941