129222721 is an odd 9-digits composite number following 129222720
and preceding 129222722 . In scientific notation, it is written as 1.29222721 × 10^8.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 127890432 positive integers (up to 129222721) that are relatively prime to 129222721.
129222721 has 4 divisors, whose sum is 130555012
The reverse of 129222721 is 127222921
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
one hundred twenty-nine million two hundred twenty-two thousand seven hundred twenty-one
Scientific notation
1.29222721 × 10^8
Engineering notation
1.29222721 × 10^6
Prime Factorization
97 × 1332193
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129222721
Product of the distinct prime numbers
The prime factorization of 129222721 is 97 × 1332193.
Since it has a total of 2 prime factors.
2 , 10 , 6 , 36 , 951 , 217 , 2322 , 1712 , 84059 , 41328 , 809939 , 430268 , 6223924 , 459247 , 58005704 , 4420717 , 379528943 , 262420930 , 8681601915 , 979984127
n×2
258445442
n×3
387668163
n×4
516890884
n×5
646113605
n÷2
64611360.5
n÷3
43074240.333333
n÷3
32305680.25
n÷5
25844544.2
n2
16698511622643841
n3
2.1578271085282E+24
n4
2.7884029041157E+32
n5
3.6032501051413E+40
2 √n
11367.617208545
3 √n
505.56805795717
4 √n
106.61902836054
5 √n
41.905186353878
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
-129222720
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 129222721 can be divided by 4 positive divisors.
The sum of these divisors (counting 129222721) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101100111100100001000001
3
Ternary
100000011012020201
4
Quaternary
13230330201001
5
Quinary
231040111341
6
Senary
20453405201
8
Octal
754744101
10
Decimal
129222721
12
Duodecimal
37339801
16
Hexadecimal
7b3c841
20
Vigesimal
207cgg1
36
Base36
24xow1
md5
c2bf0ac34414f39948dd943a9d00aca7
sha1
2cc66ca958071a8f846b24ee69d7bcf4a470bee9
sha256
2d3010dce074fc3824b72fe9574a09b99ded8d1fd4a75ba8821d9cf0540ec46f
sha512
cfa141b99971ef4d5d888a8db9e7c90038c2d5a0205669a0cb5bff995a26d5b6bd8946151d0a459073519c3ac5f3f67641869eab90e6bae627c7804c2ebf4962
ripemd-160
98addd664fc10f7e924456d162388ea04302876f
Diameter
258445442
Circumference
811930301.94097
Area
5.2459921439582E+16
Volume
9.0386850558253E+24
Surface area
2.0983968575833E+17
Circumference
811930301.94097
Perimeter
516890884
Area
16698511622643841
Diagonal
182748524.60495
Surface area
100191069735863046
Volume
2.1578271085282E+24
Space diagonal
223820318.2643
Perimeter
387668163
Area
7.2306676352996E+15
Altitude
111910159.13215
Surface area
7.2306676352996E+15
Volume
2.543023635114E+23
Height
60916174.868318