129640418 is an even 9-digits composite number following 129640417
and preceding 129640419 . In scientific notation, it is written as 1.29640418 × 10^8.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 64820208 positive integers (up to 129640418) that are relatively prime to 129640418.
129640418 has 4 divisors, whose sum is 194460630
The reverse of 129640418 is 814046921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred twenty-nine million six hundred forty thousand four hundred eighteen
Scientific notation
1.29640418 × 10^8
Engineering notation
1.29640418 × 10^6
Prime Factorization
2 × 64820209
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129640418
Product of the distinct prime numbers
The prime factorization of 129640418 is 2 × 64820209.
Since it has a total of 2 prime factors.
10 , 8 , 81 , 22 , 472 , 925 , 6359 , 1597 , 5810 , 84866 , 8411 , 934024 , 5837427 , 2758242 , 39936762 , 58701549 , 252105697 , 44158367 , 1032725297 , 8612900599
n×2
259280836
n×3
388921254
n×4
518561672
n×5
648202090
n÷2
64820209
n÷3
43213472.666667
n÷3
32410104.5
n÷5
25928083.6
n2
16806637979214724
n3
2.1788195728001E+24
n4
2.8246308016438E+32
n5
3.6618631782078E+40
2 √n
11385.974617924
3 √n
506.11220152402
4 √n
106.70508243717
5 √n
41.932242095892
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
-129640417
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 129640418 can be divided by 4 positive divisors.
The sum of these divisors (counting 129640418) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101110100010011111100010
3
Ternary
100000221102012222
4
Quaternary
13232202133202
5
Quinary
231141443133
6
Senary
20510351042
8
Octal
756423742
10
Decimal
129640418
12
Duodecimal
374bb482
16
Hexadecimal
7ba27e2
20
Vigesimal
20a510i
36
Base36
256n6q
md5
027ac6c5aba46ca8a9575642f6d0383f
sha1
6234ece77d2fd2f854607fdae6ec78adcfaaca69
sha256
8078ce551202b1e4a25436ec3f48d16468abb9eb5d2e7525681b1151a6af86b7
sha512
122f8382468a174b565b989dd52d9dcb9811eaf40a39f08d8501fcf7ed863f857a72c76134e01d13606acd44d1d60b9ca1017bf16b18d5a31c88dd9ca4c35ab2
ripemd-160
a7fefda9c2dfa3a61a9facc15c15fccc2a6ba96e
Diameter
259280836
Circumference
814554769.59422
Area
5.2799610407044E+16
Volume
9.1266180845418E+24
Surface area
2.1119844162818E+17
Circumference
814554769.59422
Perimeter
518561672
Area
16806637979214724
Diagonal
183339237.36732
Surface area
100839827875288344
Volume
2.1788195728001E+24
Space diagonal
224543790.69047
Perimeter
388921254
Area
7.2774877211042E+15
Altitude
112271895.34523
Surface area
7.2774877211042E+15
Volume
2.5677634915148E+23
Height
61113079.122439