129646972 is an even 9-digits composite number following 129646971
and preceding 129646973 . In scientific notation, it is written as 1.29646972 × 10^8.
The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors.
There are 51288768 positive integers (up to 129646972) that are relatively prime to 129646972.
129646972 has 12 divisors, whose sum is 229376056
The reverse of 129646972 is 279646921
Previous prime number is 91
Is Prime? no Number parity even Number length 9 Sum of Digits 46 Digital Root 1
Name
one hundred twenty-nine million six hundred forty-six thousand nine hundred seventy-two
Scientific notation
1.29646972 × 10^8
Engineering notation
1.29646972 × 10^6
Prime Factorization
2 × 2 × 91 × 356173
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
64823486 Product of the distinct prime numbers
The prime factorization of 129646972 is 2 × 2 × 91 × 356173.
Since it has a total of 4 prime factors.
2 , 1 , 99 , 3 , 966 , 324 , 7625 , 4549 , 68727 , 22246 , 550938 , 695602 , 5879392 , 8544418 , 40584277 , 64564161 , 744676200 , 918185103 , 8018330784 , 8924116398
n×2
259293944
n×3
388940916
n×4
518587888
n×5
648234860
n÷2
64823486
n÷3
43215657.333333
n÷3
32411743
n÷5
25929394.4
n2
16808337348768784
n3
2.1791500416224E+24
n4
2.8252020443002E+32
n5
3.6627889033173E+40
2 √n11386.262424518
3 √n506.12073025172
4 √n106.70643103636
5 √n41.932666066072
1 , 2 , 4 , 91 , 182 , 364 , 356173 , 712346 , 1424692 , 32411743 , 64823486 , 129646972
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-129646971 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129646972 can be divided by 12 positive divisors.
The sum of these divisors (counting 129646972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101110100100000101111100
3
Ternary
100000221202012201
4
Quaternary
13232210011330
5
Quinary
231142200342
6
Senary
20510441244
8
Octal
756440574
10
Decimal
129646972
12
Duodecimal
37503224
16
Hexadecimal
7ba417c
20
Vigesimal
20a5h8c
36
Base36
256s8s
md5
af53f9ec954d25e00380e1584f7f9836
sha1
2914933541263d3994d848a49cdf197d99f670e6
sha256
0055e3c23debce8114befed309a3da644516e1e65287e7bdd1d549adf8ca7cff
sha512
4a18aeda8d64b7d4be5470b978ed22010e2e65a77b291a44cf1cf3f2d308642466e6920399e7289c8419f0391ae017da195b087cc4fa13207af8a1491c3436a1
ripemd-160
494a31ef3b3766d5e93d5ac8db6b5f112f7fe0aa
Diameter
259293944
Circumference
814595949.59072
Area
5.2804949133951E+16
Volume
9.1280023491077E+24
Surface area
2.112197965358E+17
Circumference
814595949.59072
Perimeter
518587888
Area
16808337348768784
Diagonal
183348506.123
Surface area
100850024092612704
Volume
2.1791500416224E+24
Space diagonal
224555142.55146
Perimeter
388940916
Area
7.2782235697063E+15
Altitude
112277571.27573
Surface area
7.2782235697063E+15
Volume
2.5681529527569E+23
Height
61116168.707668