129621085 (number)

129621085 is an odd 9-digits composite number following 129621084 and preceding 129621086. In scientific notation, it is written as 1.29621085 × 10^8. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 93923200 positive integers (up to 129621085) that are relatively prime to 129621085.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29621085 × 10^8
Engineering notation 1.29621085 × 10^6

Prime Factorization of 129621085

Prime Factorization 5 × 281 × 11 × 8387

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129621085
Product of the distinct prime numbers

The prime factorization of 129621085 is 5 × 281 × 11 × 8387. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 1, 78, 65, 443, 146, 2163, 3820, 79569, 8138, 153295, 455217, 3829940, 9068485, 70240500, 898050, 757779662, 452813595, 8664470327, 5047866466

Basic calculations (n = 129621085)

Multiplication

n×y
n×2 259242170
n×3 388863255
n×4 518484340
n×5 648105425

Division

n÷y
n÷2 64810542.5
n÷3 43207028.333333
n÷3 32405271.25
n÷5 25924217

Exponentiation

ny
n2 16801625676577225
n3 2.1778449499618E+24
n4 2.8229462537582E+32
n5 3.6591335630882E+40

Nth Root

y√n
2√n 11385.125603172
3√n 506.08704179433
4√n 106.70110403914
5√n 41.930991368054

Divisors of 129621085

1, 5, 11, 55, 281, 1405, 3091, 8387, 15455, 41935, 92257, 461285, 2356747, 11783735, 25924217, 129621085

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 -129621084
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 129621085 can be divided by 16 positive divisors. The sum of these divisors (counting 129621085) is 1, the average is 0.0625.

Base conversion 129621085

Base System Value
2 Binary 111101110011101110001011101
3 Ternary 100000220102200221
4 Quaternary 13232131301131
5 Quinary 231140333320
6 Senary 20510121341
8 Octal 756356135
10 Decimal 129621085
12 Duodecimal 374b0251
16 Hexadecimal 7b9dc5d
20 Vigesimal 20a2ce5
36 Base36 25689p

Cryptographic Hash Functions

md5 dee380be7f37b583204b20e3d28bc782
sha1 de06e1ffff5c8bcff751b6a014b555882ca50752
sha256 beff00a5a6ac7451c2d6b72b73a613c7c03ca1277953bcec065a5bae03a541e2
sha512 09447448786fa04f2122856ca81c5d70a023272e20c3df357a32c011936cb0c255babc1e22d125a531a2bce5112071717a923de677fdd5d6fa9c0e17c0140417
ripemd-160 061e2126a028eaf9a633b8d49c656087bf2d20be

129621085 as geometric shapes

Circle

Radius = n
Diameter 259242170
Circumference 814433296.77268
Area 5.2783863793901E+16

Sphere

Radius = n
Volume 9.1225355939435E+24
Surface area 2.111354551756E+17
Circumference 814433296.77268

Square

Length = n
Perimeter 518484340
Area 16801625676577225
Diagonal 183311896.37652

Cube

Length = n
Surface area 100809754059463350
Volume 2.1778449499618E+24
Space diagonal 224510304.9522

Equilateral Triangle

Length = n
Perimeter 388863255
Area 7.2753173303964E+15
Altitude 112255152.4761

Triangular Pyramid

Length = n
Surface area 7.2753173303964E+15
Volume 2.5666148874848E+23
Height 61103965.458839