640930908 is an even 9-digits composite number following 640930907
and preceding 640930909 . In scientific notation, it is written as 6.40930908 × 10^8.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 209612416 positive integers (up to 640930908) that are relatively prime to 640930908.
640930908 has 24 divisors, whose sum is 1523724048
The reverse of 640930908 is 809039046
Previous prime number is 53
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
six hundred forty million nine hundred thirty thousand nine hundred eight
Scientific notation
6.40930908 × 10^8
Engineering notation
6.40930908 × 10^6
Prime Factorization
2 × 2 × 3 × 53 × 1007753
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
320465454
Product of the distinct prime numbers
The prime factorization of 640930908 is 2 × 2 × 3 × 53 × 1007753.
Since it has a total of 5 prime factors.
10 , 2 , 64 , 86 , 408 , 729 , 6086 , 6188 , 63240 , 696 , 182571 , 597661 , 3061457 , 9023190 , 18855272 , 35545695 , 920933410 , 599742567 , 9478639933 , 9991400705
n×2
1281861816
n×3
1922792724
n×4
2563723632
n×5
3204654540
n÷2
320465454
n÷3
213643636
n÷3
160232727
n÷5
128186181.6
n2
410792428829704464
n3
2.6328956440935E+26
n4
1.6875041958381E+35
n5
1.0815735964923E+44
2 √n
25316.613280611
3 √n
862.19150286107
4 √n
159.1119520357
5 √n
57.724774238441
1 , 2 , 3 , 4 , 6 , 12 , 53 , 106 , 159 , 212 , 318 , 636 , 1007753 , 2015506 , 3023259 , 4031012 , 6046518 , 12093036 , 53410909 , 106821818 , 160232727 , 213643636 , 320465454 , 640930908
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-640930907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 640930908 can be divided by 24 positive divisors.
The sum of these divisors (counting 640930908) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110001100111101010001011100
3
Ternary
1122200000122220210
4
Quaternary
212030331101130
5
Quinary
2303034242113
6
Senary
143333212420
8
Octal
4614752134
10
Decimal
640930908
12
Duodecimal
15a791110
16
Hexadecimal
2633d45c
20
Vigesimal
a05g758
36
Base36
alldgc
md5
7e4b7762eb51617f2e6d40a6aade27ea
sha1
42b7655f90ca307a11b2e94aa5bf583e73f228ab
sha256
593c09f2c201b6323f4e9cdcdbf34ef54ea395977731fdda5f5696d7756725db
sha512
6d43063eabdd3b99e3db49b09e7ec995c5867d4b960a0ce6fe7f43bc7a66d7b410e2b6ce03626177120468b3c5c0b742ba733f53012e983b00ca3df1cd6d6b37
ripemd-160
6cc859d2440fbc484561ea883b5bfc31bcb396e6
Diameter
1281861816
Circumference
4027087664.0629
Area
1.2905424765617E+18
Volume
1.1028647484204E+27
Surface area
5.1621699062468E+18
Circumference
4027087664.0629
Perimeter
2563723632
Area
410792428829704464
Diagonal
906413182.6377
Surface area
2464754572978226784
Volume
2.6328956440935E+26
Space diagonal
1110124896.7973
Perimeter
1922792724
Area
1.7787833952442E+17
Altitude
555062448.39863
Surface area
1.7787833952442E+17
Volume
3.1028972734917E+25
Height
302137727.5459