129972008 is an even 9-digits composite number following 129972007
and preceding 129972009 . In scientific notation, it is written as 1.29972008 × 10^8.
The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors.
There are 61565616 positive integers (up to 129972008) that are relatively prime to 129972008.
129972008 has 16 divisors, whose sum is 256524000
The reverse of 129972008 is 800279921
Previous prime number is 19
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-nine million nine hundred seventy-two thousand eight
Scientific notation
1.29972008 × 10^8
Engineering notation
1.29972008 × 10^6
Prime Factorization
2 × 2 × 2 × 19 × 855079
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
32493002
Product of the distinct prime numbers
The prime factorization of 129972008 is 2 × 2 × 2 × 19 × 855079.
Since it has a total of 5 prime factors.
3 , 6 , 87 , 85 , 198 , 963 , 266 , 1504 , 9365 , 26104 , 162094 , 93214 , 9389879 , 2371543 , 77857931 , 29508427 , 536950318 , 24259836 , 9078984029 , 3016332815
n×2
259944016
n×3
389916024
n×4
519888032
n×5
649860040
n÷2
64986004
n÷3
43324002.666667
n÷3
32493002
n÷5
25994401.6
n2
16892722863552064
n3
2.1955811111634E+24
n4
2.8536408574477E+32
n5
3.7089343235333E+40
2 √n
11400.526654502
3 √n
506.54333986673
4 √n
106.7732487775
5 √n
41.953670765386
1 , 2 , 4 , 8 , 19 , 38 , 76 , 152 , 855079 , 1710158 , 3420316 , 6840632 , 16246501 , 32493002 , 64986004 , 129972008
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
-129972007
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 129972008 can be divided by 16 positive divisors.
The sum of these divisors (counting 129972008) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101111110011011100101000
3
Ternary
100001120021002002
4
Quaternary
13233303130220
5
Quinary
231233101013
6
Senary
20521430132
8
Octal
757633450
10
Decimal
129972008
12
Duodecimal
3763b348
16
Hexadecimal
7bf3728
20
Vigesimal
20c6a08
36
Base36
25dr1k
md5
2ce20dd785d67ab168ca92ffe1d6ff2b
sha1
8f6893a8d6c75c8d62e333037fe8034ceb7e1ee9
sha256
81ea8396aa37e00d3e6ed9a237de19781b1d4ade4f488adadc7980f051d4c259
sha512
bf77d86392ee6fb184989f7350a48ef6ece24761c9ebe892cdb6b9a1808aff1d3ee71b7ce68819637ffac4f45a94a72eb59b8b69e4d0863feb3b859ed865c023
ripemd-160
2af2124cdd55d369bbf9d4f5100fda2029e9cb01
Diameter
259944016
Circumference
816638211.01023
Area
5.3070054047263E+16
Volume
9.1968286522552E+24
Surface area
2.1228021618905E+17
Circumference
816638211.01023
Perimeter
519888032
Area
16892722863552064
Diagonal
183808176.44246
Surface area
101356337181312384
Volume
2.1955811111634E+24
Space diagonal
225118121.41775
Perimeter
389916024
Area
7.3147635694631E+15
Altitude
112559060.70887
Surface area
7.3147635694631E+15
Volume
2.5875171539145E+23
Height
61269392.147488