640966904 is an even 9-digits composite number following 640966903
and preceding 640966905 . In scientific notation, it is written as 6.40966904 × 10^8.
The sum of its digits is 44. It has a total of 5 prime factors and 16 positive divisors.
There are 320401312 positive integers (up to 640966904) that are relatively prime to 640966904.
640966904 has 16 divisors, whose sum is 1202121000
The reverse of 640966904 is 409669046
Previous prime number is 5237
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
six hundred forty million nine hundred sixty-six thousand nine hundred four
Scientific notation
6.40966904 × 10^8
Engineering notation
6.40966904 × 10^6
Prime Factorization
2 × 2 × 2 × 5237 × 15299
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
160241726
Product of the distinct prime numbers
The prime factorization of 640966904 is 2 × 2 × 2 × 5237 × 15299.
Since it has a total of 5 prime factors.
6 , 3 , 66 , 26 , 134 , 441 , 36 , 8401 , 1206 , 33529 , 430911 , 491195 , 6377854 , 4230819 , 31204066 , 50076821 , 133027149 , 910586155 , 8252224582 , 4254666846
n×2
1281933808
n×3
1922900712
n×4
2563867616
n×5
3204834520
n÷2
320483452
n÷3
213655634.66667
n÷3
160241726
n÷5
128193380.8
n2
410838572023345216
n3
2.6333392755358E+26
n4
1.6878833226218E+35
n5
1.0818773476141E+44
2 √n
25317.324187204
3 √n
862.20764337583
4 √n
159.11418600239
5 √n
57.725422612321
1 , 2 , 4 , 8 , 5237 , 10474 , 15299 , 20948 , 30598 , 41896 , 61196 , 122392 , 80120863 , 160241726 , 320483452 , 640966904
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-640966903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 640966904 can be divided by 16 positive divisors.
The sum of these divisors (counting 640966904) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110001101000110000011111000
3
Ternary
1122200002111021222
4
Quaternary
212031012003320
5
Quinary
2303041420104
6
Senary
143334051212
8
Octal
4615060370
10
Decimal
640966904
12
Duodecimal
15a7a9b08
16
Hexadecimal
263460f8
20
Vigesimal
a060h54
36
Base36
alm588
md5
91394819d6b160a0b466bdf8238da166
sha1
5e18f04a5c74e7031ad10eb88cb3393d29a5719b
sha256
a131147aefb2923e34023dd99469816109ae861701fc0c9c9d48eb5677ec3ab8
sha512
eec132b0be365af0b7e890a83c6622d1a4daec76627be91714f5d5d505695607dc3140be55ee678b0a39cbddb0f67851706ed6dd18f6084d21d4e2b87f2195cc
ripemd-160
5c7c81dd756d8e0513715523f73459d4a7a1646b
Diameter
1281933808
Circumference
4027313833.6012
Area
1.2906874396799E+18
Volume
1.1030505763244E+27
Surface area
5.1627497587195E+18
Circumference
4027313833.6012
Perimeter
2563867616
Area
410838572023345216
Diagonal
906464088.66909
Surface area
2465031432140071296
Volume
2.6333392755358E+26
Space diagonal
1110187243.6981
Perimeter
1922900712
Area
1.7789832011337E+17
Altitude
555093621.84906
Surface area
1.7789832011337E+17
Volume
3.1034200981604E+25
Height
302154696.22303