129880906 is an even 9-digits composite number following 129880905
and preceding 129880907 . In scientific notation, it is written as 1.29880906 × 10^8.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 64940452 positive integers (up to 129880906) that are relatively prime to 129880906.
129880906 has 4 divisors, whose sum is 194821362
The reverse of 129880906 is 609088921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-nine million eight hundred eighty thousand nine hundred six
Scientific notation
1.29880906 × 10^8
Engineering notation
1.29880906 × 10^6
Prime Factorization
2 × 64940453
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129880906
Product of the distinct prime numbers
The prime factorization of 129880906 is 2 × 64940453.
Since it has a total of 2 prime factors.
1 , 1 , 16 , 81 , 367 , 726 , 1850 , 2109 , 35519 , 70060 , 317321 , 176009 , 9232559 , 3832513 , 98851846 , 29442356 , 18799048 , 634015398 , 3580607574 , 1050045491
n×2
259761812
n×3
389642718
n×4
519523624
n×5
649404530
n÷2
64940453
n÷3
43293635.333333
n÷3
32470226.5
n÷5
25976181.2
n2
16869049743380836
n3
2.1909674640294E+24
n4
2.8456483924466E+32
n5
3.695953913684E+40
2 √n
11396.530436936
3 √n
506.42496079339
4 √n
106.75453356619
5 √n
41.947787751909
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
-129880905
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 129880906 can be divided by 4 positive divisors.
The sum of these divisors (counting 129880906) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101111011101001101001010
3
Ternary
100001101122002221
4
Quaternary
13233131031022
5
Quinary
231222142111
6
Senary
20515444254
8
Octal
757351512
10
Decimal
129880906
12
Duodecimal
375b668a
16
Hexadecimal
7bdd34a
20
Vigesimal
20bf256
36
Base36
25bsqy
md5
0a08e5b215e312597b1a347f71057c30
sha1
d79491e41e7446644bd61c604a023633c2c5c723
sha256
38c03dcedf85ead5a49888691738fcf6e7eee0717580ee746658e89a4726378d
sha512
0ce09836d5db6da81f82a2fea269be65460e2f1c1ec77ef7bed0fe59cac7c2686cde3b1e31c63417800cdc06f19fed2ff312b43722450cd112c600802758f9fb
ripemd-160
b40d33472ca6633f5c6bb99d24c839de8153fe91
Diameter
259761812
Circumference
816065800.26237
Area
5.2995682746846E+16
Volume
9.1775030523319E+24
Surface area
2.1198273098738E+17
Circumference
816065800.26237
Perimeter
519523624
Area
16869049743380836
Diagonal
183679338.75851
Surface area
101214298460285016
Volume
2.1909674640294E+24
Space diagonal
224960328.12508
Perimeter
389642718
Area
7.3045128077356E+15
Altitude
112480164.06254
Surface area
7.3045128077356E+15
Volume
2.5820799186238E+23
Height
61226446.252835