129221285 is an odd 9-digits composite number following 129221284
and preceding 129221286 . In scientific notation, it is written as 1.29221285 × 10^8.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 103310080 positive integers (up to 129221285) that are relatively prime to 129221285.
129221285 has 8 divisors, whose sum is 155165976
The reverse of 129221285 is 582122921
Previous prime number is 1721
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred twenty-nine million two hundred twenty-one thousand two hundred eighty-five
Scientific notation
1.29221285 × 10^8
Engineering notation
1.29221285 × 10^6
Prime Factorization
5 × 1721 × 15017
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129221285
Product of the distinct prime numbers
The prime factorization of 129221285 is 5 × 1721 × 15017.
Since it has a total of 3 prime factors.
6 , 9 , 3 , 72 , 765 , 130 , 2025 , 5022 , 41384 , 48802 , 691829 , 72894 , 2563847 , 6853010 , 70969824 , 41568663 , 968082071 , 170875283 , 9337999682 , 1517260057
n×2
258442570
n×3
387663855
n×4
516885140
n×5
646106425
n÷2
64610642.5
n÷3
43073761.666667
n÷3
32305321.25
n÷5
25844257
n2
16698140497051225
n3
2.1577551721395E+24
n4
2.7882789605926E+32
n5
3.6030499022624E+40
2 √n
11367.554046496
3 √n
505.56618522557
4 √n
106.61873215573
5 √n
41.905093218376
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
-129221284
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 129221285 can be divided by 8 positive divisors.
The sum of these divisors (counting 129221285) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101100111100001010100101
3
Ternary
100000011010021112
4
Quaternary
13230330022211
5
Quinary
231040040120
6
Senary
20453354405
8
Octal
754741245
10
Decimal
129221285
12
Duodecimal
37338a05
16
Hexadecimal
7b3c2a5
20
Vigesimal
207cd45
36
Base36
24xns5
md5
607b87f3989ac2ae6d54d2f172ffc723
sha1
4a84d3d8b7cd8ed427c86ea199dc3f981a0ef930
sha256
5bc0e452b473009e0dc4a3896193b1bff1a1ee0bfa024439cba84fa899dacd03
sha512
ba0cdf49a24120a06a823c03ec55f7bdbfcfcb684936553f4bd3b9ac7e48059f41d0e9769935a34cef8ea027240a29128fb75773dc7e2568cecf640c2422683d
ripemd-160
2a13a1be05afe5f5278bba5f1562e4e9a56ee6cd
Diameter
258442570
Circumference
811921279.28687
Area
5.2458755514146E+16
Volume
9.0383837293851E+24
Surface area
2.0983502205659E+17
Circumference
811921279.28687
Perimeter
516885140
Area
16698140497051225
Diagonal
182746493.79428
Surface area
100188842982307350
Volume
2.1577551721395E+24
Space diagonal
223817831.03934
Perimeter
387663855
Area
7.230506933204E+15
Altitude
111908915.51967
Surface area
7.230506933204E+15
Volume
2.542938857267E+23
Height
60915497.931426