129122621 is an odd 9-digits composite number following 129122620
and preceding 129122622 . In scientific notation, it is written as 1.29122621 × 10^8.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 121413952 positive integers (up to 129122621) that are relatively prime to 129122621.
129122621 has 8 divisors, whose sum is 137021760
The reverse of 129122621 is 126221921
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 26
Digital Root 8
Name
one hundred twenty-nine million one hundred twenty-two thousand six hundred twenty-one
Scientific notation
1.29122621 × 10^8
Engineering notation
1.29122621 × 10^6
Prime Factorization
23 × 59 × 95153
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129122621
Product of the distinct prime numbers
The prime factorization of 129122621 is 23 × 59 × 95153.
Since it has a total of 3 prime factors.
1 , 9 , 7 , 68 , 314 , 717 , 860 , 3028 , 93649 , 54373 , 842927 , 98144 , 9809332 , 6309387 , 24255335 , 26621294 , 76630985 , 163912435 , 1518003255 , 1913006941
n×2
258245242
n×3
387367863
n×4
516490484
n×5
645613105
n÷2
64561310.5
n÷3
43040873.666667
n÷3
32280655.25
n÷5
25824524.2
n2
16672651253909641
n3
2.1528164289237E+24
n4
2.7797729983449E+32
n5
3.5893157533133E+40
2 √n
11363.21349795
3 √n
505.43748124127
4 √n
106.59837474347
5 √n
41.898692125204
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129122620
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129122621 can be divided by 8 positive divisors.
The sum of these divisors (counting 129122621) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101100100100000100111101
3
Ternary
22222222002221022
4
Quaternary
13230210010331
5
Quinary
231023410441
6
Senary
20451313525
8
Octal
754440475
10
Decimal
129122621
12
Duodecimal
372ab8a5
16
Hexadecimal
7b2413d
20
Vigesimal
20706b1
36
Base36
24vjnh
md5
b43c15e67b5c3a19a76d3bd977b086b9
sha1
f7ccb75911144f2d6c8ef1d3c9089ea19cb68aa8
sha256
4ebe592aa10524ec8463932d38edf28b67f39112e560a76b3b5f782edc917966
sha512
e3fbcc394e3dd99742ed7c9dec5299efb1cedcfaad75b6133d1d934acb73154a92b1dbb52f23d919369f31e89ccbfaba44ecac84ffea7d8f58e75cdcc277f1d8
ripemd-160
6b024ca64d4d835239a5af16a0e56ff26c41fd02
Diameter
258245242
Circumference
811301355.09172
Area
5.2378678695147E+16
Volume
9.017696370179E+24
Surface area
2.0951471478059E+17
Circumference
811301355.09172
Perimeter
516490484
Area
16672651253909641
Diagonal
182606961.82736
Surface area
100035907523457846
Volume
2.1528164289237E+24
Space diagonal
223646939.97846
Perimeter
387367863
Area
7.2194697671621E+15
Altitude
111823469.98923
Surface area
7.2194697671621E+15
Volume
2.5371184925697E+23
Height
60868987.275787