129640947 is an odd 9-digits composite number following 129640946
and preceding 129640948 . In scientific notation, it is written as 1.29640947 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 86396928 positive integers (up to 129640947) that are relatively prime to 129640947.
129640947 has 8 divisors, whose sum is 172915344
The reverse of 129640947 is 749046921
Previous prime number is 11393
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-nine million six hundred forty thousand nine hundred forty-seven
Scientific notation
1.29640947 × 10^8
Engineering notation
1.29640947 × 10^6
Prime Factorization
3 × 11393 × 3793
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129640947
Product of the distinct prime numbers
The prime factorization of 129640947 is 3 × 11393 × 3793.
Since it has a total of 3 prime factors.
5 , 5 , 29 , 66 , 559 , 851 , 9294 , 2697 , 55253 , 51243 , 470895 , 731309 , 7820766 , 939954 , 99326125 , 11774171 , 575191055 , 985305953 , 6688482962 , 9895081326
n×2
259281894
n×3
388922841
n×4
518563788
n×5
648204735
n÷2
64820473.5
n÷3
43213649
n÷3
32410236.75
n÷5
25928189.4
n2
16806775139056809
n3
2.1788462450434E+24
n4
2.8246769057482E+32
n5
3.6619378903022E+40
2 √n
11385.997848234
3 √n
506.11288992299
4 √n
106.70519129
5 √n
41.932276316886
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
-129640946
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 129640947 can be divided by 8 positive divisors.
The sum of these divisors (counting 129640947) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101110100010100111110011
3
Ternary
100000221102221120
4
Quaternary
13232202213303
5
Quinary
231142002242
6
Senary
20510353323
8
Octal
756424763
10
Decimal
129640947
12
Duodecimal
374bb843
16
Hexadecimal
7ba29f3
20
Vigesimal
20a5277
36
Base36
256nlf
md5
3711f40d085cd8889bfdd56ea1b09956
sha1
5912424e292f8da4b56a9d05024e1935a4c6708a
sha256
cfb035636d0016dfc91dd05632328e09b5a158cd9539ed2a20677a3157f920e6
sha512
608f9835ee114240761d47d8c784dfa7f6e4bd2c3691409aaf217559244a949befdc847b0ba2d6a0eb47bdc4e64b183474f96864b14514f1e1a3e6ba61789483
ripemd-160
491e8db915b7820464ad0d2420f242b5f34b1744
Diameter
259281894
Circumference
814558093.39925
Area
5.2800041307396E+16
Volume
9.1267298089733E+24
Surface area
2.1120016522959E+17
Circumference
814558093.39925
Perimeter
518563788
Area
16806775139056809
Diagonal
183339985.48629
Surface area
100840650834340854
Volume
2.1788462450434E+24
Space diagonal
224544706.94534
Perimeter
388922841
Area
7.277547113058E+15
Altitude
112272353.47267
Surface area
7.277547113058E+15
Volume
2.567794925055E+23
Height
61113328.495431