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.
129680861 has 4 divisors, whose sum is 131507424
The reverse of 129680861 is 168086921
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred twenty-nine million six hundred eighty thousand eight hundred sixty-one
Scientific notation
1.29680861 × 10^8
Engineering notation
1.29680861 × 10^6
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.
5 , 5 , 95 , 57 , 683 , 826 , 1020 , 2706 , 81775 , 25294 , 330965 , 150285 , 2560854 , 5584378 , 43270862 , 4053686 , 384879072 , 956707398 , 4075883527 , 3948683070
n×2
259361722
n×3
389042583
n×4
518723444
n×5
648404305
n÷2
64840430.5
n÷3
43226953.666667
n÷3
32420215.25
n÷5
25936172.2
n2
16817125709701321
n3
2.1808593415793E+24
n4
2.828157171359E+32
n5
3.6675785702516E+40
2 √n
11387.750480231
3 √n
506.16482546121
4 √n
106.71340347037
5 √n
41.934858030203
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
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
md5
b9cb4f65e62beb94ee9874f46de46ec8
sha1
763eddd88137d656ecab250dad46f861babe841b
sha256
5c9357d23626633aabad98fa1c8fe39e2ed98fedae348508042b1dede1b750b1
sha512
55daa427bdeeab50c5bdb0becaf67cc4fb34b49b0195f3b584ebd47812b25e9d03afea304eec88be33ca8902f2beff1ac206f498cf1cd885a96ffe94eaa4ab08
ripemd-160
6b456685d9336b3c7f373cecc2f2b1d7a0bd5d76
Diameter
259361722
Circumference
814808880.4576
Area
5.2832558584094E+16
Volume
9.1351622480243E+24
Surface area
2.1133023433637E+17
Circumference
814808880.4576
Perimeter
518723444
Area
16817125709701321
Diagonal
183396432.40642
Surface area
100902754258207926
Volume
2.1808593415793E+24
Space diagonal
224613840.02128
Perimeter
389042583
Area
7.2820290416189E+15
Altitude
112306920.01064
Surface area
7.2820290416189E+15
Volume
2.5701673820746E+23
Height
61132144.135473