129624921 is an odd 9-digits composite number following 129624920
and preceding 129624922 . In scientific notation, it is written as 1.29624921 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 85914000 positive integers (up to 129624921) that are relatively prime to 129624921.
129624921 has 16 divisors, whose sum is 193153920
The reverse of 129624921 is 129426921
Previous prime number is 173
Is Prime? no Number parity odd Number length 9 Sum of Digits 36 Digital Root 9
Name
one hundred twenty-nine million six hundred twenty-four thousand nine hundred twenty-one
Scientific notation
1.29624921 × 10^8
Engineering notation
1.29624921 × 10^6
Prime Factorization
9 × 3 × 173 × 27751
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
129624921 Product of the distinct prime numbers
The prime factorization of 129624921 is 9 × 3 × 173 × 27751.
Since it has a total of 4 prime factors.
4 , 1 , 66 , 74 , 844 , 518 , 5550 , 5976 , 85856 , 56676 , 295651 , 960014 , 5824055 , 3476666 , 13000389 , 61242950 , 27862058 , 34512137 , 3854543231 , 4912862555
n×2
259249842
n×3
388874763
n×4
518499684
n×5
648124605
n÷2
64812460.5
n÷3
43208307
n÷3
32406230.25
n÷5
25924984.2
n2
16802620144256241
n3
2.1780383087922E+24
n4
2.8232804371217E+32
n5
3.6596750362274E+40
2 √n11385.294067348
3 √n506.09203411674
4 √n106.70189345718
5 √n41.931239545854
1 , 3 , 9 , 27 , 173 , 519 , 1557 , 4671 , 27751 , 83253 , 249759 , 749277 , 4800923 , 14402769 , 43208307 , 129624921
16 divisors
τ Total Divisors
16 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-129624920 Sum of the proper positive divisors of n
A Arithmetic Mean
0.0625 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
16 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129624921 can be divided by 16 positive divisors.
The sum of these divisors (counting 129624921) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101110011110101101011001
3
Ternary
100000220121222000
4
Quaternary
13232132231121
5
Quinary
231140444141
6
Senary
20510151213
8
Octal
756365531
10
Decimal
129624921
12
Duodecimal
374b2509
16
Hexadecimal
7b9eb59
20
Vigesimal
20a3261
36
Base36
256b89
md5
da191894b0c992431cb5a08f44cc416e
sha1
1cb5287961f2b1a3dcce39619830536538b14ae5
sha256
1a73b924977065f2a9051c70c13a3097cb51efeddfa9c8fc9e6e9deee99cfccd
sha512
961b037cc3cbcd188c69a56134be9199afa42d27c5ff42f81e564c9d97195e2b17be491dc8e2dc2122858e01750e2a4d01bd820d48671ccfdb2bb08e9bfeda8a
ripemd-160
7f3d79f53d361c0ae608245e97bf195256fba184
Diameter
259249842
Circumference
814457399.07151
Area
5.2786988006255E+16
Volume
9.1233455335184E+24
Surface area
2.1114795202502E+17
Circumference
814457399.07151
Perimeter
518499684
Area
16802620144256241
Diagonal
183317321.29974
Surface area
100815720865537446
Volume
2.1780383087922E+24
Space diagonal
224516949.0991
Perimeter
388874763
Area
7.275747947533E+15
Altitude
112258474.54955
Surface area
7.275747947533E+15
Volume
2.5668427630518E+23
Height
61105773.76658