129646978 is an even 9-digits composite number following 129646977
and preceding 129646979 . In scientific notation, it is written as 1.29646978 × 10^8.
The sum of its digits is 52. It has a total of 5 prime factors and 32 positive divisors.
There are 61544448 positive integers (up to 129646978) that are relatively prime to 129646978.
129646978 has 32 divisors, whose sum is 204659136
The reverse of 129646978 is 879646921
Previous prime number is 193
Is Prime? no
Number parity even
Number length 9
Sum of Digits 52
Digital Root 7
Name
one hundred twenty-nine million six hundred forty-six thousand nine hundred seventy-eight
Scientific notation
1.29646978 × 10^8
Engineering notation
1.29646978 × 10^6
Prime Factorization
2 × 73 × 43 × 193 × 107
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
129646978
Product of the distinct prime numbers
The prime factorization of 129646978 is 2 × 73 × 43 × 193 × 107.
Since it has a total of 5 prime factors.
8 , 2 , 50 , 81 , 615 , 684 , 2933 , 6230 , 26520 , 38067 , 920788 , 726550 , 5911369 , 5818526 , 81350995 , 84568225 , 451548596 , 972479195 , 4496392213 , 8968218285
n×2
259293956
n×3
388940934
n×4
518587912
n×5
648234890
n÷2
64823489
n÷3
43215659.333333
n÷3
32411744.5
n÷5
25929395.6
n2
16808338904532484
n3
2.1791503441725E+24
n4
2.8252025672962E+32
n5
3.6627897508779E+40
2 √n
11386.262687994
3 √n
506.12073805939
4 √n
106.70643227095
5 √n
41.932666454197
1 , 2 , 43 , 73 , 86 , 107 , 146 , 193 , 214 , 386 , 3139 , 4601 , 6278 , 7811 , 8299 , 9202 , 14089 , 15622 , 16598 , 20651 , 28178 , 41302 , 335873 , 605827 , 671746 , 887993 , 1211654 , 1507523 , 1775986 , 3015046 , 64823489 , 129646978
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129646977
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129646978 can be divided by 32 positive divisors.
The sum of these divisors (counting 129646978) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101110100100000110000010
3
Ternary
100000221202012221
4
Quaternary
13232210012002
5
Quinary
231142200403
6
Senary
20510441254
8
Octal
756440602
10
Decimal
129646978
12
Duodecimal
3750322a
16
Hexadecimal
7ba4182
20
Vigesimal
20a5h8i
36
Base36
256s8y
md5
20f9ce4fbbf2d85cb6458036fcafa768
sha1
291f039eca1e2c7c4788d173fb578cfb85cf5111
sha256
0408a8a038ad9a5e028deda5dfdfe5faa72a2666c7604e532e5d006ab0b76387
sha512
1aafcc49efd189f0364e58354294bbaf8646b7692dbde156f855dca755cea2ac54e8d813dfdc949268b65324b5ab55597501ad54233b434d3e096246b43a3cdc
ripemd-160
30080c895f834672c5c37a65dbb54517fa70b8f8
Diameter
259293956
Circumference
814595987.28984
Area
5.2804954021527E+16
Volume
9.1280036164265E+24
Surface area
2.1121981608611E+17
Circumference
814595987.28984
Perimeter
518587912
Area
16808338904532484
Diagonal
183348514.60829
Surface area
100850033427194904
Volume
2.1791503441725E+24
Space diagonal
224555152.94376
Perimeter
388940934
Area
7.2782242433717E+15
Altitude
112277576.47188
Surface area
7.2782242433717E+15
Volume
2.5681533093156E+23
Height
61116171.536095