129680861 (number)

129680861 is an odd 9-digits composite number following 129680860 and preceding 129680862. In scientific notation, it is written as 1.29680861 × 10^8. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 127854300 positive integers (up to 129680861) that are relatively prime to 129680861.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million six hundred eighty thousand eight hundred sixty-one

Notation

Scientific notation 1.29680861 × 10^8
Engineering notation 1.29680861 × 10^6

Prime Factorization of 129680861

Prime Factorization 71 × 1826491

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129680861
Product of the distinct prime numbers

The prime factorization of 129680861 is 71 × 1826491. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129680861)

Multiplication

n×y
n×2 259361722
n×3 389042583
n×4 518723444
n×5 648404305

Division

n÷y
n÷2 64840430.5
n÷3 43226953.666667
n÷3 32420215.25
n÷5 25936172.2

Exponentiation

ny
n2 16817125709701321
n3 2.1808593415793E+24
n4 2.828157171359E+32
n5 3.6675785702516E+40

Nth Root

y√n
2√n 11387.750480231
3√n 506.16482546121
4√n 106.71340347037
5√n 41.934858030203

Divisors of 129680861

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129680860
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129680861 can be divided by 4 positive divisors. The sum of these divisors (counting 129680861) is 1, the average is 0.25.

Base conversion 129680861

Base System Value
2 Binary 111101110101100010111011101
3 Ternary 100001000110200212
4 Quaternary 13232230113131
5 Quinary 231144241421
6 Senary 20511302205
8 Octal 756542735
10 Decimal 129680861
12 Duodecimal 3751a965
16 Hexadecimal 7bac5dd
20 Vigesimal 20aa231
36 Base36 257ie5

Cryptographic Hash Functions

md5 b9cb4f65e62beb94ee9874f46de46ec8
sha1 763eddd88137d656ecab250dad46f861babe841b
sha256 5c9357d23626633aabad98fa1c8fe39e2ed98fedae348508042b1dede1b750b1
sha512 55daa427bdeeab50c5bdb0becaf67cc4fb34b49b0195f3b584ebd47812b25e9d03afea304eec88be33ca8902f2beff1ac206f498cf1cd885a96ffe94eaa4ab08
ripemd-160 6b456685d9336b3c7f373cecc2f2b1d7a0bd5d76

129680861 as geometric shapes

Circle

Radius = n
Diameter 259361722
Circumference 814808880.4576
Area 5.2832558584094E+16

Sphere

Radius = n
Volume 9.1351622480243E+24
Surface area 2.1133023433637E+17
Circumference 814808880.4576

Square

Length = n
Perimeter 518723444
Area 16817125709701321
Diagonal 183396432.40642

Cube

Length = n
Surface area 100902754258207926
Volume 2.1808593415793E+24
Space diagonal 224613840.02128

Equilateral Triangle

Length = n
Perimeter 389042583
Area 7.2820290416189E+15
Altitude 112306920.01064

Triangular Pyramid

Length = n
Surface area 7.2820290416189E+15
Volume 2.5701673820746E+23
Height 61132144.135473