640813612 is an even 9-digits composite number following 640813611
and preceding 640813613 . In scientific notation, it is written as 6.40813612 × 10^8.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 320354496 positive integers (up to 640813612) that are relatively prime to 640813612.
640813612 has 12 divisors, whose sum is 1121606920
The reverse of 640813612 is 216318046
Previous prime number is 16369
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
six hundred forty million eight hundred thirteen thousand six hundred twelve
Scientific notation
6.40813612 × 10^8
Engineering notation
6.40813612 × 10^6
Prime Factorization
2 × 2 × 16369 × 9787
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
320406806
Product of the distinct prime numbers
The prime factorization of 640813612 is 2 × 2 × 16369 × 9787.
Since it has a total of 4 prime factors.
9 , 1 , 90 , 40 , 587 , 485 , 2184 , 6196 , 6215 , 77422 , 797015 , 128306 , 7968080 , 65420 , 53529807 , 17558455 , 452945465 , 81188593 , 3890236627 , 4268068337
n×2
1281627224
n×3
1922440836
n×4
2563254448
n×5
3204068060
n÷2
320406806
n÷3
213604537.33333
n÷3
160203403
n÷5
128162722.4
n2
410642085324486544
n3
2.63145037936E+26
n4
1.6862692223964E+35
n5
1.0805842712083E+44
2 √n
25314.296593032
3 √n
862.13890343982
4 √n
159.10467181397
5 √n
57.722661255359
1 , 2 , 4 , 9787 , 16369 , 19574 , 32738 , 39148 , 65476 , 160203403 , 320406806 , 640813612
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-640813611
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 640813612 can be divided by 12 positive divisors.
The sum of these divisors (counting 640813612) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110001100100000101000101100
3
Ternary
1122122210201000111
4
Quaternary
212030200220230
5
Quinary
2303022013422
6
Senary
143330505404
8
Octal
4614405054
10
Decimal
640813612
12
Duodecimal
15a735264
16
Hexadecimal
26320a2c
20
Vigesimal
a051e0c
36
Base36
aliuy4
md5
30b8e542d2b81e315bc6391c2e487a0c
sha1
dd4533c2097ab780903e963c571e13047cb21605
sha256
9ae3fe1c8d8d5ea0a792343d941c865ff894527009620522aad7a465595770cd
sha512
85f6c470b1791c366d586a21ccfb52291de18648634fb83c9093d11b3a8675e873942caeb74c581e9f2740c47ae92a22b55be2ea04d352a2564b93e8d06208b9
ripemd-160
4a0c6ca30cdf615c2d0760bebeb8924be69886c9
Diameter
1281627224
Circumference
4026350671.5591
Area
1.2900701585102E+18
Volume
1.1022593573444E+27
Surface area
5.1602806340408E+18
Circumference
4026350671.5591
Perimeter
2563254448
Area
410642085324486544
Diagonal
906247301.04369
Surface area
2463852511946919264
Volume
2.63145037936E+26
Space diagonal
1109921734.1657
Perimeter
1922440836
Area
1.7781323887701E+17
Altitude
554960867.08286
Surface area
1.7781323887701E+17
Volume
3.1011940126689E+25
Height
302082433.68123