639968982 is an even 9-digits composite number following 639968981
and preceding 639968983 . In scientific notation, it is written as 6.39968982 × 10^8.
The sum of its digits is 60. It has a total of 4 prime factors and 16 positive divisors.
There are 202095432 positive integers (up to 639968982) that are relatively prime to 639968982.
639968982 has 16 divisors, whose sum is 1347303360
The reverse of 639968982 is 289869936
Previous prime number is 19
Is Prime? no
Number parity even
Number length 9
Sum of Digits 60
Digital Root 6
Name
six hundred thirty-nine million nine hundred sixty-eight thousand nine hundred eighty-two
Scientific notation
6.39968982 × 10^8
Engineering notation
6.39968982 × 10^6
Prime Factorization
2 × 3 × 19 × 5613763
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
639968982
Product of the distinct prime numbers
The prime factorization of 639968982 is 2 × 3 × 19 × 5613763.
Since it has a total of 4 prime factors.
3 , 7 , 86 , 99 , 239 , 915 , 4429 , 8520 , 72294 , 96627 , 580157 , 454403 , 8626174 , 9269493 , 78107398 , 86874927 , 706705128 , 684008975 , 8598013203 , 9569820131
n×2
1279937964
n×3
1919906946
n×4
2559875928
n×5
3199844910
n÷2
319984491
n÷3
213322994
n÷3
159992245.5
n÷5
127993796.4
n2
409560297922116324
n3
2.6210588692883E+26
n4
1.6773963763405E+35
n5
1.0734816513771E+44
2 √n
25297.608226866
3 √n
861.75995365133
4 √n
159.05221855374
5 √n
57.707436854623
1 , 2 , 3 , 6 , 19 , 38 , 57 , 114 , 5613763 , 11227526 , 16841289 , 33682578 , 106661497 , 213322994 , 319984491 , 639968982
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
-639968981
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 639968982 can be divided by 16 positive divisors.
The sum of these divisors (counting 639968982) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110001001010010011011010110
3
Ternary
1122121012210101220
4
Quaternary
212021102123112
5
Quinary
2302313001412
6
Senary
143300431210
8
Octal
4611223326
10
Decimal
639968982
12
Duodecimal
15a3a8506
16
Hexadecimal
262526d6
20
Vigesimal
9jjg292
36
Base36
al0r86
md5
8fb7d64504babd53ba75adbfe325f6b6
sha1
89ba298c81a38b07caf02f1dde724e3eefd3dc98
sha256
4b711911e10f9b586b3a078deac3d5926648cf83e44a2b17f8e2db1f8b777482
sha512
32c43f1530a00e870c690bde12c0cd639b2ffd33b38d0020a88ce7fca31e090c01118848e2ab6e0e25cdb11db5a926a3a8046908f0aa52a14a8f49e2e052e8cc
ripemd-160
d8aefee1e8a0bad5df9c22da634151623f3bba7c
Diameter
1279937964
Circumference
4021043704.7531
Area
1.2866716231542E+18
Volume
1.0979065717843E+27
Surface area
5.1466864926167E+18
Circumference
4021043704.7531
Perimeter
2559875928
Area
409560297922116324
Diagonal
905052813.8425
Surface area
2457361787532697944
Volume
2.6210588692883E+26
Space diagonal
1108458792.0921
Perimeter
1919906946
Area
1.7734481119104E+17
Altitude
554229396.04607
Surface area
1.7734481119104E+17
Volume
3.0889475006049E+25
Height
301684271.28083