129721626 (number)

129721626 is an even 9-digits composite number following 129721625 and preceding 129721627. In scientific notation, it is written as 1.29721626 × 10^8. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 40007520 positive integers (up to 129721626) that are relatively prime to 129721626.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29721626 × 10^8
Engineering notation 1.29721626 × 10^6

Prime Factorization of 129721626

Prime Factorization 2 × 171 × 43 × 8821

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129721626
Product of the distinct prime numbers

The prime factorization of 129721626 is 2 × 171 × 43 × 8821. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 9, 63, 68, 691, 711, 2898, 287, 44236, 78900, 73130, 580157, 84701, 9554438, 38929759, 32131198, 534738914, 346998950, 8061956471, 4386099528

Basic calculations (n = 129721626)

Multiplication

n×y
n×2 259443252
n×3 389164878
n×4 518886504
n×5 648608130

Division

n÷y
n÷2 64860813
n÷3 43240542
n÷3 32430406.5
n÷5 25944325.2

Exponentiation

ny
n2 16827700252083876
n3 2.1829166385409E+24
n4 2.8317149577398E+32
n5 3.6733466868653E+40

Nth Root

y√n
2√n 11389.54020143
3√n 506.21785730996
4√n 106.72178878481
5√n 41.937494131732

Divisors of 129721626

1, 2, 43, 86, 171, 342, 7353, 8821, 14706, 17642, 379303, 758606, 1508391, 3016782, 64860813, 129721626

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 -129721625
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 129721626 can be divided by 16 positive divisors. The sum of these divisors (counting 129721626) is 1, the average is 0.0625.

Base conversion 129721626

Base System Value
2 Binary 111101110110110010100011010
3 Ternary 100001002112121200
4 Quaternary 13232312110122
5 Quinary 231202043001
6 Senary 20512215030
8 Octal 756662432
10 Decimal 129721626
12 Duodecimal 3753a476
16 Hexadecimal 7bb651a
20 Vigesimal 20af416
36 Base36 258dui

Cryptographic Hash Functions

md5 c50568099d9397fed7694fce99b71bd4
sha1 e5fca2836b0ef1b1b41d44f927e6cbaecf686469
sha256 6993db1914b713aada92a0884a713ce40782d04bb42f5e73574b1deacc8ef41f
sha512 35dbfa719a9ac1a07a659bff990f8d0dc31e3e68b6ba6971bb170a12f27a7ad38d883494de215c8ed728b46a4f2c50deae7709d23707a566b77057fb250d381e
ripemd-160 b397470843986e5998e808da180441346167beb9

129721626 as geometric shapes

Circle

Radius = n
Diameter 259443252
Circumference 815065014.50665
Area 5.2865779488758E+16

Sphere

Radius = n
Volume 9.1437798333855E+24
Surface area 2.1146311795503E+17
Circumference 815065014.50665

Square

Length = n
Perimeter 518886504
Area 16827700252083876
Diagonal 183454082.82229

Cube

Length = n
Surface area 100966201512503256
Volume 2.1829166385409E+24
Space diagonal 224684447.07245

Equilateral Triangle

Length = n
Perimeter 389164878
Area 7.2866079527872E+15
Altitude 112342223.53622

Triangular Pyramid

Length = n
Surface area 7.2866079527872E+15
Volume 2.5725919297954E+23
Height 61151360.940763