129721372 (number)

129721372 is an even 9-digits composite number following 129721371 and preceding 129721373. In scientific notation, it is written as 1.29721372 × 10^8. The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors. There are 58964240 positive integers (up to 129721372) that are relatively prime to 129721372.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million seven hundred twenty-one thousand three hundred seventy-two

Notation

Scientific notation 1.29721372 × 10^8
Engineering notation 1.29721372 × 10^6

Prime Factorization of 129721372

Prime Factorization 2 × 2 × 11 × 2948213

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 64860686
Product of the distinct prime numbers

The prime factorization of 129721372 is 2 × 2 × 11 × 2948213. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 4, 39, 3, 640, 256, 9265, 5663, 85602, 46066, 334211, 240833, 4327673, 8742509, 80000785, 62441775, 282230100, 37849801, 9554562328, 8116528114

Basic calculations (n = 129721372)

Multiplication

n×y
n×2 259442744
n×3 389164116
n×4 518885488
n×5 648606860

Division

n÷y
n÷2 64860686
n÷3 43240457.333333
n÷3 32430343
n÷5 25944274.4

Exponentiation

ny
n2 16827634353562384
n3 2.1829038158584E+24
n4 2.8316927793719E+32
n5 3.6733107242262E+40

Nth Root

y√n
2√n 11389.529050843
3√n 506.21752691164
4√n 106.72173654342
5√n 41.937477708669

Divisors of 129721372

1, 2, 4, 11, 22, 44, 2948213, 5896426, 11792852, 32430343, 64860686, 129721372

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 -129721371
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 129721372 can be divided by 12 positive divisors. The sum of these divisors (counting 129721372) is 1, the average is 0.083333333333333.

Base conversion 129721372

Base System Value
2 Binary 111101110110110010000011100
3 Ternary 100001002112021021
4 Quaternary 13232312100130
5 Quinary 231202040442
6 Senary 20512213524
8 Octal 756662034
10 Decimal 129721372
12 Duodecimal 3753a2a4
16 Hexadecimal 7bb641c
20 Vigesimal 20af38c
36 Base36 258dng

Cryptographic Hash Functions

md5 517b3313b6e9048dc36b36535d6fff47
sha1 beb785e090b996705c0b77f5a6a4142612f67822
sha256 f45b2c166d77514c5c34beb5b50c5cd0066294044d5618b45b121bfe31bf62ab
sha512 451af7213e1abfa93ab5c044b7655caf31d1ba7539163a6139fb06d3b44c56a95e93cbf74be6ba7a59c35d49155ba2fc506f6ffa18326f6de84e2d851000b0fd
ripemd-160 8c2d47d974de3788190451fab665f8077851ee0e

129721372 as geometric shapes

Circle

Radius = n
Diameter 259442744
Circumference 815063418.57758
Area 5.2865572462447E+16

Sphere

Radius = n
Volume 9.1437261218587E+24
Surface area 2.1146228984979E+17
Circumference 815063418.57758

Square

Length = n
Perimeter 518885488
Area 16827634353562384
Diagonal 183453723.61205

Cube

Length = n
Surface area 100965806121374304
Volume 2.1829038158584E+24
Space diagonal 224684007.13154

Equilateral Triangle

Length = n
Perimeter 389164116
Area 7.2865794178904E+15
Altitude 112342003.56577

Triangular Pyramid

Length = n
Surface area 7.2865794178904E+15
Volume 2.5725768181192E+23
Height 61151241.204015