642764208 is an even 9-digits composite number following 642764207
and preceding 642764209 . In scientific notation, it is written as 6.42764208 × 10^8.
The sum of its digits is 39. It has a total of 6 prime factors and 20 positive divisors.
There are 214254720 positive integers (up to 642764208) that are relatively prime to 642764208.
642764208 has 20 divisors, whose sum is 1660474328
The reverse of 642764208 is 802467246
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
six hundred forty-two million seven hundred sixty-four thousand two hundred eight
Scientific notation
6.42764208 × 10^8
Engineering notation
6.42764208 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 13390921
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
80345526
Product of the distinct prime numbers
The prime factorization of 642764208 is 2 × 2 × 2 × 2 × 3 × 13390921.
Since it has a total of 6 prime factors.
2 , 8 , 8 , 34 , 713 , 155 , 5104 , 552 , 23734 , 60421 , 341183 , 926574 , 9037483 , 4633793 , 79115739 , 40131221 , 5361240 , 392151190 , 280494498 , 5244293226
n×2
1285528416
n×3
1928292624
n×4
2571056832
n×5
3213821040
n÷2
321382104
n÷3
214254736
n÷3
160691052
n÷5
128552841.6
n2
413145827085867264
n3
2.6555535033535E+26
n4
1.7068947443847E+35
n5
1.0971308485138E+44
2 √n
25352.794875516
3 √n
863.01278274515
4 √n
159.22560998632
5 √n
57.757759370877
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 13390921 , 26781842 , 40172763 , 53563684 , 80345526 , 107127368 , 160691052 , 214254736 , 321382104 , 642764208
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-642764207
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642764208 can be divided by 20 positive divisors.
The sum of these divisors (counting 642764208) is 1, the average is 0.05.
Base
System
Value
2
Binary
100110010011111100110110110000
3
Ternary
1122210110210201210
4
Quaternary
212103330312300
5
Quinary
2304021423313
6
Senary
143440400120
8
Octal
4623746660
10
Decimal
642764208
12
Duodecimal
15b316040
16
Hexadecimal
264fcdb0
20
Vigesimal
a0h5aa8
36
Base36
amoo1c
md5
4a4bd5994fd1b3a1202eec6027ffe9b9
sha1
33ae00306fdb10cbb405f9df2bb2f1d2452f2622
sha256
56d6a99ceddc083100e827759a5b8b4e144bd261bf0cbda13eeba4ef30b09dca
sha512
3493209f93ed0062a3db25f111640604b74c9c80758736dcd8542d5e0ec4f790821d12585d813188e866eebd81fd33877e9dca54709360442aad2c4f91d995fd
ripemd-160
5981afdd4f05abd044609ad1bdceaa4c77b13d79
Diameter
1285528416
Circumference
4038606627.6865
Area
1.2979358952342E+18
Volume
1.1123556503133E+27
Surface area
5.191743580937E+18
Circumference
4038606627.6865
Perimeter
2571056832
Area
413145827085867264
Diagonal
909005860.3616
Surface area
2478874962515203584
Volume
2.6555535033535E+26
Space diagonal
1113300265.5428
Perimeter
1928292624
Area
1.7889739086195E+17
Altitude
556650132.77138
Surface area
1.7889739086195E+17
Volume
3.1295998167083E+25
Height
303001953.45387