129672561 is an odd 9-digits composite number following 129672560
and preceding 129672562 . In scientific notation, it is written as 1.29672561 × 10^8.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 86448372 positive integers (up to 129672561) that are relatively prime to 129672561.
129672561 has 4 divisors, whose sum is 172896752
The reverse of 129672561 is 165276921
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-nine million six hundred seventy-two thousand five hundred sixty-one
Scientific notation
1.29672561 × 10^8
Engineering notation
1.29672561 × 10^6
Prime Factorization
3 × 43224187
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129672561
Product of the distinct prime numbers
The prime factorization of 129672561 is 3 × 43224187.
Since it has a total of 2 prime factors.
3 , 6 , 99 , 31 , 549 , 758 , 4499 , 5885 , 37228 , 90822 , 131904 , 870833 , 9653701 , 8112383 , 18649725 , 20276155 , 874340348 , 359450780 , 8348672009 , 9909969456
n×2
259345122
n×3
389017683
n×4
518690244
n×5
648362805
n÷2
64836280.5
n÷3
43224187
n÷3
32418140.25
n÷5
25934512.2
n2
16814973076298721
n3
2.1804406219497E+24
n4
2.8274331955665E+32
n5
3.6664050352552E+40
2 √n
11387.386047728
3 √n
506.15402649506
4 √n
106.71169592752
5 √n
41.934321222797
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
-129672560
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 129672561 can be divided by 4 positive divisors.
The sum of these divisors (counting 129672561) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101110101010010101110001
3
Ternary
100001000001022110
4
Quaternary
13232222111301
5
Quinary
231144010221
6
Senary
20511155533
8
Octal
756522561
10
Decimal
129672561
12
Duodecimal
37515ba9
16
Hexadecimal
7baa571
20
Vigesimal
20a9181
36
Base36
257bzl
md5
5f97415663712424d245d2693c3c044f
sha1
40bc595fd1123e0adc11e07ed738102bffbc0d09
sha256
61210147bb74d6b5894533f16099f62271d7de08458a79ad849052549cd07df2
sha512
5f3fbb56aadffa034a9257ae23774cd19af631998b8de8577c693fb8241fac9207c7fe4f7b69fc54a39a66fa8732ee5d63b36e89fa8029152432fd814f41c169
ripemd-160
570f7c8c59cd9ec18fafbb35f30f4097a955842f
Diameter
259345122
Circumference
814756730.01955
Area
5.282579588681E+16
Volume
9.1334083193413E+24
Surface area
2.1130318354724E+17
Circumference
814756730.01955
Perimeter
518690244
Area
16814973076298721
Diagonal
183384694.43385
Surface area
100889838457792326
Volume
2.1804406219497E+24
Space diagonal
224599463.99957
Perimeter
389017683
Area
7.281096924013E+15
Altitude
112299731.99979
Surface area
7.281096924013E+15
Volume
2.5696739162587E+23
Height
61128231.477951