639888901 is an odd 9-digits prime number following 639888900
and preceding 639888902 . In scientific notation, it is written as 6.39888901 × 10^8.
The sum of its digits is 52. It has a total of 1 prime factors and 2 positive divisors.
There are 639888900 positive integers (up to 639888901) that are relatively prime to 639888901.
639888901 has 2 divisors, whose sum is 639888902
The reverse of 639888901 is 109888936
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
six hundred thirty-nine million eight hundred eighty-eight thousand nine hundred one
Scientific notation
6.39888901 × 10^8
Engineering notation
6.39888901 × 10^6
Prime Factorization
639888901
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
639888901
Product of the distinct prime numbers
The prime factorization of 639888901 is 639888901.
Since it has a total of 1 prime factors.
4 , 8 , 56 , 39 , 921 , 660 , 532 , 5758 , 45734 , 92291 , 22019 , 903625 , 4499071 , 2628426 , 51799706 , 45067419 , 744290581 , 621752545 , 1656825902 , 9317819207
n×2
1279777802
n×3
1919666703
n×4
2559555604
n×5
3199444505
n÷2
319944450.5
n÷3
213296300.33333
n÷3
159972225.25
n÷5
127977780.2
n2
409457805622987801
n3
2.6200750524597E+26
n4
1.6765569458559E+35
n5
1.0728101815477E+44
2 √n
25296.02539926
3 √n
861.72400738962
4 √n
159.04724266475
5 √n
57.705992565695
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
639888902
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
319944451
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
25296.025419026
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999968745
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 639888901 can be divided by 2 positive divisors.
The sum of these divisors (counting 639888901) is 639888902, the average is 319944451.
Base
System
Value
2
Binary
100110001000111110111000000101
3
Ternary
1122121001201112221
4
Quaternary
212020332320011
5
Quinary
2302302421101
6
Senary
143255012341
8
Octal
4610767005
10
Decimal
639888901
12
Duodecimal
15a36a0b1
16
Hexadecimal
2623ee05
20
Vigesimal
9jj6251
36
Base36
akz1fp
md5
7591566a7e4d03bdc57bfc4cb96b8ff4
sha1
1b4aa57ec2cd318f31717b16e40c75119acab18d
sha256
86093ee0f2f083ac1ae0e65ae70253c3d45d7e0ab8403629c61d1abd868da3ab
sha512
c79c0de459aaca27612ca6ddf5bcdd155e77859395204e56924364e5626204c5dd84e6ae2da5c7a8c00c65936f13e15b74ec955d26c10df5bb517a9550507c30
ripemd-160
7e9f9db7594c6384e661f8a1034a3e6f87bd07a9
Diameter
1279777802
Circumference
4020540540.9905
Area
1.2863496341002E+18
Volume
1.0974944715548E+27
Surface area
5.1453985364007E+18
Circumference
4020540540.9905
Perimeter
2559555604
Area
409457805622987801
Diagonal
904939562.20621
Surface area
2456746833737926806
Volume
2.6200750524597E+26
Space diagonal
1108320087.7314
Perimeter
1919666703
Area
1.7730043072367E+17
Altitude
554160043.86571
Surface area
1.7730043072367E+17
Volume
3.0877880613532E+25
Height
301646520.7354