129672221 is an odd 9-digits composite number following 129672220
and preceding 129672222 . In scientific notation, it is written as 1.29672221 × 10^8.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 111147612 positive integers (up to 129672221) that are relatively prime to 129672221.
129672221 has 4 divisors, whose sum is 148196832
The reverse of 129672221 is 122276921
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred twenty-nine million six hundred seventy-two thousand two hundred twenty-one
Scientific notation
1.29672221 × 10^8
Engineering notation
1.29672221 × 10^6
Prime Factorization
7 × 18524603
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129672221
Product of the distinct prime numbers
The prime factorization of 129672221 is 7 × 18524603.
Since it has a total of 2 prime factors.
8 , 1 , 73 , 36 , 892 , 350 , 534 , 5968 , 14542 , 746 , 62706 , 692340 , 9710465 , 6360425 , 76496788 , 26537070 , 84523780 , 86130121 , 3109729253 , 4000679615
n×2
259344442
n×3
389016663
n×4
518688884
n×5
648361105
n÷2
64836110.5
n÷3
43224073.666667
n÷3
32418055.25
n÷5
25934444.2
n2
16814884899072841
n3
2.1804234707221E+24
n4
2.8274035416907E+32
n5
3.666356969143E+40
2 √n
11387.371118919
3 √n
506.15358411795
4 √n
106.71162597824
5 √n
41.93429923251
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
-129672220
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 129672221 can be divided by 4 positive divisors.
The sum of these divisors (counting 129672221) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101110101010010000011101
3
Ternary
100001000000211212
4
Quaternary
13232222100131
5
Quinary
231144002341
6
Senary
20511154205
8
Octal
756522035
10
Decimal
129672221
12
Duodecimal
37515965
16
Hexadecimal
7baa41d
20
Vigesimal
20a90b1
36
Base36
257bq5
md5
f1d0cd4e5c7c0bf708dcd1a19edc2ce5
sha1
f183ef3f9d44571484575508fa3de4127a88c19d
sha256
766d40a0272db0e75a06e0167d4daac668d704cab0217d74c8472cfd66c19049
sha512
bdcf7532126a5b8f375eb7ae8da14817c499470eafdd507e2e08dd5d76acbe8822e957f121ff35d863418c3114ff5a9677af424c413c824a1f8750b9c1730ae2
ripemd-160
639802dbd064defad73f0be9aa5214d1291c1c55
Diameter
259344442
Circumference
814754593.73654
Area
5.2825518869885E+16
Volume
9.1333364764472E+24
Surface area
2.1130207547954E+17
Circumference
814754593.73654
Perimeter
518688884
Area
16814884899072841
Diagonal
183384213.60124
Surface area
100889309394437046
Volume
2.1804234707221E+24
Space diagonal
224598875.1023
Perimeter
389016663
Area
7.2810587421542E+15
Altitude
112299437.55115
Surface area
7.2810587421542E+15
Volume
2.5696537033432E+23
Height
61128071.200414