639997807 is an odd 9-digits prime number following 639997806
and preceding 639997808 . In scientific notation, it is written as 6.39997807 × 10^8.
The sum of its digits is 58. It has a total of 1 prime factors and 2 positive divisors.
There are 639997806 positive integers (up to 639997807) that are relatively prime to 639997807.
639997807 has 2 divisors, whose sum is 639997808
The reverse of 639997807 is 708799936
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 58
Digital Root 4
Name
six hundred thirty-nine million nine hundred ninety-seven thousand eight hundred seven
Scientific notation
6.39997807 × 10^8
Engineering notation
6.39997807 × 10^6
Prime Factorization
639997807
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
639997807
Product of the distinct prime numbers
The prime factorization of 639997807 is 639997807.
Since it has a total of 1 prime factors.
4 , 7 , 92 , 89 , 426 , 872 , 4809 , 5413 , 58606 , 19034 , 323439 , 129238 , 8787490 , 4769555 , 57897193 , 51363672 , 757718890 , 252627654 , 1949677667 , 3971327043
n×2
1279995614
n×3
1919993421
n×4
2559991228
n×5
3199989035
n÷2
319998903.5
n÷3
213332602.33333
n÷3
159999451.75
n÷5
127999561.4
n2
409597192964809249
n3
2.6214130525083E+26
n4
1.6776986048465E+35
n5
1.0737234279087E+44
2 √n
25298.177938342
3 √n
861.77289170428
4 √n
159.05400950099
5 √n
57.707956688223
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
639997808
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
319998904
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
25298.177958106
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999996875
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 639997807 can be divided by 2 positive divisors.
The sum of these divisors (counting 639997807) is 639997808, the average is 319998904.
Base
System
Value
2
Binary
100110001001011001011101101111
3
Ternary
1122121021020221111
4
Quaternary
212021121131233
5
Quinary
2302314412212
6
Senary
143301212451
8
Octal
4611313557
10
Decimal
639997807
12
Duodecimal
15a401127
16
Hexadecimal
2625976f
20
Vigesimal
9jjjea7
36
Base36
al1dgv
md5
b64abf51d7584525b88ca25d8a9150cc
sha1
694ddb80289e6f96dd5506753f588c3558c31b18
sha256
efc2a54770a2f860f624e6727e02dd89f3380bc5948199f6c9860d3fef1bf153
sha512
b0b9a1d001f9df0bef2ec9d747244f13c713f3bc62b4e56b0dffec2c14e7ec7b43b46d5baae66e966c6bc281356618d624fca931e22570f13675e17f2eb7c050
ripemd-160
73d938ccfaee8ebb8299a89bd4035a32994050eb
Diameter
1279995614
Circumference
4021224817.5696
Area
1.2867875323492E+18
Volume
1.0980549317046E+27
Surface area
5.147150129397E+18
Circumference
4021224817.5696
Perimeter
2559991228
Area
409597192964809249
Diagonal
905093578.54844
Surface area
2457583157788855494
Volume
2.6214130525083E+26
Space diagonal
1108508718.4567
Perimeter
1919993421
Area
1.7736078721316E+17
Altitude
554254359.22833
Surface area
1.7736078721316E+17
Volume
3.0893649095326E+25
Height
301697859.51615