129781372 (number)

129781372 is an even 9-digits composite number following 129781371 and preceding 129781373. In scientific notation, it is written as 1.29781372 × 10^8. The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors. There are 55461360 positive integers (up to 129781372) that are relatively prime to 129781372.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29781372 × 10^8
Engineering notation 1.29781372 × 10^6

Prime Factorization of 129781372

Prime Factorization 2 × 2 × 7 × 359 × 12911

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 64890686
Product of the distinct prime numbers

The prime factorization of 129781372 is 2 × 2 × 7 × 359 × 12911. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129781372)

Multiplication

n×y
n×2 259562744
n×3 389344116
n×4 519125488
n×5 648906860

Division

n÷y
n÷2 64890686
n÷3 43260457.333333
n÷3 32445343
n÷5 25956274.4

Exponentiation

ny
n2 16843204518202384
n3 2.1859341912489E+24
n4 2.8369353844199E+32
n5 3.6818136646537E+40

Nth Root

y√n
2√n 11392.162744624
3√n 506.29556177857
4√n 106.73407489937
5√n 41.94135645774

Divisors of 129781372

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129781371
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129781372 can be divided by 24 positive divisors. The sum of these divisors (counting 129781372) is 1, the average is 0.041666666666667.

Base conversion 129781372

Base System Value
2 Binary 111101111000100111001111100
3 Ternary 100001012120120111
4 Quaternary 13233010321330
5 Quinary 231211000442
6 Senary 20513355404
8 Octal 757047174
10 Decimal 129781372
12 Duodecimal 37568b64
16 Hexadecimal 7bc4e7c
20 Vigesimal 20b2d8c
36 Base36 259ny4

Cryptographic Hash Functions

md5 d891c4a1a0efb50d30953dbdce40e113
sha1 ced7a0948c78d3418516ec6fd759038b05d98603
sha256 eb036f4ea0992577c338001fd97aa278b63d57bf5ee482aea0f388f01b90a2ce
sha512 eb6aa0004d9b191df2b26be882401084c0c6e54c997de63a6f06e3f8bfe8b336cd8a5095d2d28d906104429fbcd712a9aed96f38a58f1dd027bec10367f98948
ripemd-160 5c6ff2fcf128968feddd0a0aed93cd6330a271c9

129781372 as geometric shapes

Circle

Radius = n
Diameter 259562744
Circumference 815440409.69601
Area 5.2914487577295E+16

Sphere

Radius = n
Volume 9.1564197286111E+24
Surface area 2.1165795030918E+17
Circumference 815440409.69601

Square

Length = n
Perimeter 519125488
Area 16843204518202384
Diagonal 183538576.42579

Cube

Length = n
Surface area 101059227109214304
Volume 2.1859341912489E+24
Space diagonal 224787930.18

Equilateral Triangle

Length = n
Perimeter 389344116
Area 7.29332149695E+15
Altitude 112393965.09

Triangular Pyramid

Length = n
Surface area 7.29332149695E+15
Volume 2.5761481497661E+23
Height 61179525.475263