129620972 (number)

129620972 is an even 9-digits composite number following 129620971 and preceding 129620973. In scientific notation, it is written as 1.29620972 × 10^8. The sum of its digits is 38. It has a total of 5 prime factors and 18 positive divisors. There are 59824752 positive integers (up to 129620972) that are relatively prime to 129620972.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million six hundred twenty thousand nine hundred seventy-two

Notation

Scientific notation 1.29620972 × 10^8
Engineering notation 1.29620972 × 10^6

Prime Factorization of 129620972

Prime Factorization 2 × 2 × 13 × 13 × 191747

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 4985422
Product of the distinct prime numbers

The prime factorization of 129620972 is 2 × 2 × 13 × 13 × 191747. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 4, 54, 37, 306, 267, 441, 5266, 73502, 51109, 395177, 660834, 6579526, 901993, 44460803, 20774772, 427333652, 111846236, 4686869555, 5890167403

Basic calculations (n = 129620972)

Multiplication

n×y
n×2 259241944
n×3 388862916
n×4 518483888
n×5 648104860

Division

n÷y
n÷2 64810486
n÷3 43206990.666667
n÷3 32405243
n÷5 25924194.4

Exponentiation

ny
n2 16801596382224784
n3 2.1778392542157E+24
n4 2.8229364099119E+32
n5 3.6591176134697E+40

Nth Root

y√n
2√n 11385.120640555
3√n 506.08689473016
4√n 106.70108078438
5√n 41.9309840572

Divisors of 129620972

1, 2, 4, 13, 26, 52, 169, 338, 676, 191747, 383494, 766988, 2492711, 4985422, 9970844, 32405243, 64810486, 129620972

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129620971
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129620972 can be divided by 18 positive divisors. The sum of these divisors (counting 129620972) is 1, the average is 0.055555555555556.

Base conversion 129620972

Base System Value
2 Binary 111101110011101101111101100
3 Ternary 100000220102112202
4 Quaternary 13232131233230
5 Quinary 231140332342
6 Senary 20510121032
8 Octal 756355754
10 Decimal 129620972
12 Duodecimal 374b0178
16 Hexadecimal 7b9dbec
20 Vigesimal 20a2c8c
36 Base36 25686k

Cryptographic Hash Functions

md5 223d764a15dc8930bc3017aad8551e77
sha1 125ced3e0785edca2cc8e5ff81a5d943db7296a5
sha256 19ca6b0921fa941566a6dc11152965969411c803d8c22eaf3b2d97677ddd60ad
sha512 ae6285d03fa23e9604de68a6caa1010eaed6eff55ecadbc859514e93d2a8bc953d6d1f9e1d9cc328e7b2135ac89cf1926c5a7ddd21cc337e76f2a15f92c7f65f
ripemd-160 6b049cf6791d243374223f98e5175c375e06c2ed

129620972 as geometric shapes

Circle

Radius = n
Diameter 259241944
Circumference 814432586.77274
Area 5.2783771762978E+16

Sphere

Radius = n
Volume 9.1225117356579E+24
Surface area 2.1113508705191E+17
Circumference 814432586.77274

Square

Length = n
Perimeter 518483888
Area 16801596382224784
Diagonal 183311736.57038

Cube

Length = n
Surface area 100809578293348704
Volume 2.1778392542157E+24
Space diagonal 224510109.23046

Equilateral Triangle

Length = n
Perimeter 388862916
Area 7.2753046455697E+15
Altitude 112255054.61523

Triangular Pyramid

Length = n
Surface area 7.2753046455697E+15
Volume 2.5666081749836E+23
Height 61103912.190128