129772642 is an even 9-digits composite number following 129772641
and preceding 129772643 . In scientific notation, it is written as 1.29772642 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 64886320 positive integers (up to 129772642) that are relatively prime to 129772642.
129772642 has 4 divisors, whose sum is 194658966
The reverse of 129772642 is 246277921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-nine million seven hundred seventy-two thousand six hundred forty-two
Scientific notation
1.29772642 × 10^8
Engineering notation
1.29772642 × 10^6
Prime Factorization
2 × 64886321
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129772642
Product of the distinct prime numbers
The prime factorization of 129772642 is 2 × 64886321.
Since it has a total of 2 prime factors.
7 , 9 , 59 , 78 , 792 , 408 , 9580 , 4147 , 95453 , 99086 , 912040 , 695271 , 4915783 , 5852339 , 33912234 , 52286745 , 701641442 , 480924375 , 110717899 , 6787652202
n×2
259545284
n×3
389317926
n×4
519090568
n×5
648863210
n÷2
64886321
n÷3
43257547.333333
n÷3
32443160.5
n÷5
25954528.4
n2
16840938611660164
n3
2.185493097395E+24
n4
2.8361721332171E+32
n5
3.6805755089435E+40
2 √n
11391.779580031
3 √n
506.28420920078
4 √n
106.73227993457
5 √n
41.940792188942
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
-129772641
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 129772642 can be divided by 4 positive divisors.
The sum of these divisors (counting 129772642) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101111000010110001100010
3
Ternary
100001012010121011
4
Quaternary
13233002301202
5
Quinary
231210211032
6
Senary
20513251134
8
Octal
757026142
10
Decimal
129772642
12
Duodecimal
37563aaa
16
Hexadecimal
7bc2c62
20
Vigesimal
20b1bc2
36
Base36
259h7m
md5
d351de016fa36d19f64c1bd5905fa5fe
sha1
86a2dcaac7cce62a1ddfa335154d5d765769ed9d
sha256
8792fa224f4fd37d12d3c5a3624134b2a4569de3bb9b23fe788df9cc7921789c
sha512
250982a432a4abe4741b55f78afd9ab758e96a12c8d4defc4b32cae557c9f79454fdb5e1f8039a1e364f88b747209bfb6bbf04d596493605c4a9fad36800c15b
ripemd-160
6aa87701ad80814425a045e99f12741cb718478d
Diameter
259545284
Circumference
815385557.48828
Area
5.2907369021948E+16
Volume
9.1545720789962E+24
Surface area
2.1162947608779E+17
Circumference
815385557.48828
Perimeter
519090568
Area
16840938611660164
Diagonal
183526230.34139
Surface area
101045631669960984
Volume
2.185493097395E+24
Space diagonal
224772809.37645
Perimeter
389317926
Area
7.292340330636E+15
Altitude
112386404.68822
Surface area
7.292340330636E+15
Volume
2.5756283156739E+23
Height
61175410.113796