129126640 is an even 9-digits composite number following 129126639
and preceding 129126641 . In scientific notation, it is written as 1.29126640 × 10^8.
The sum of its digits is 31. It has a total of 6 prime factors and 20 positive divisors.
There are 51650624 positive integers (up to 129126640) that are relatively prime to 129126640.
129126640 has 20 divisors, whose sum is 300219624
The reverse of 129126640 is 046621921
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-nine million one hundred twenty-six thousand six hundred forty
Scientific notation
1.29126640 × 10^8
Engineering notation
1.29126640 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 1614083
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
16140830
Product of the distinct prime numbers
The prime factorization of 129126640 is 2 × 2 × 2 × 2 × 5 × 1614083.
Since it has a total of 6 prime factors.
5 , 2 , 50 , 82 , 64 , 506 , 19 , 6995 , 52482 , 34658 , 858746 , 311715 , 290843 , 8958733 , 93772487 , 45287951 , 301194289 , 655878044 , 8642649264 , 8801186648
n×2
258253280
n×3
387379920
n×4
516506560
n×5
645633200
n÷2
64563320
n÷3
43042213.333333
n÷3
32281660
n÷5
25825328
n2
16673689157689600
n3
2.1530174573369E+24
n4
2.7801191012726E+32
n5
3.5898743834715E+40
2 √n
11363.390339155
3 √n
505.44272517696
4 √n
106.59920421445
5 √n
41.898952945107
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 1614083 , 3228166 , 6456332 , 8070415 , 12912664 , 16140830 , 25825328 , 32281660 , 64563320 , 129126640
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129126639
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129126640 can be divided by 20 positive divisors.
The sum of these divisors (counting 129126640) is 1, the average is 0.05.
Base
System
Value
2
Binary
111101100100101000011110000
3
Ternary
22222222022110011
4
Quaternary
13230211003300
5
Quinary
231024023030
6
Senary
20451344304
8
Octal
754450360
10
Decimal
129126640
12
Duodecimal
372b2094
16
Hexadecimal
7b250f0
20
Vigesimal
2070gc0
36
Base36
24vmr4
md5
3e0e8b4b1f8f638a2d586a187f232ae9
sha1
6a5c90934b38fe1a3425c40be0bc698861c875cf
sha256
0b34ec5bf11b51a6218e959be7b3cb3242c18c2e155dbeb090060bb08bc2db08
sha512
4cbc23bfa76e4b771552e4c40a7960016b18059ed3f0fe6685650a09c6bc2c296e7e92c214698f8344431bdbc2f3d48aea69504187186bc3984c34f07e1f98ba
ripemd-160
93d3be82b31e2579ab764466dfe49ce1b4126796
Diameter
258253280
Circumference
811326607.21347
Area
5.2381939366037E+16
Volume
9.0185384360269E+24
Surface area
2.0952775746415E+17
Circumference
811326607.21347
Perimeter
516506560
Area
16673689157689600
Diagonal
182612645.55167
Surface area
100042134946137600
Volume
2.1530174573369E+24
Space diagonal
223653901.09066
Perimeter
387379920
Area
7.2199191926822E+15
Altitude
111826950.54533
Surface area
7.2199191926822E+15
Volume
2.5373554068266E+23
Height
60870881.850556