639403902 is an even 9-digits composite number following 639403901
and preceding 639403903 . In scientific notation, it is written as 6.39403902 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 213134616 positive integers (up to 639403902) that are relatively prime to 639403902.
639403902 has 16 divisors, whose sum is 1420897680
The reverse of 639403902 is 209304936
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 36
Digital Root 9
Name
six hundred thirty-nine million four hundred three thousand nine hundred two
Scientific notation
6.39403902 × 10^8
Engineering notation
6.39403902 × 10^6
Prime Factorization
2 × 9 × 3 × 11840813
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
639403902
Product of the distinct prime numbers
The prime factorization of 639403902 is 2 × 9 × 3 × 11840813.
Since it has a total of 4 prime factors.
1 , 3 , 8 , 84 , 757 , 652 , 6967 , 7403 , 51242 , 29571 , 66670 , 378628 , 877728 , 8148028 , 67085909 , 2484315 , 644846428 , 143715902 , 3015004513 , 384476899
n×2
1278807804
n×3
1918211706
n×4
2557615608
n×5
3197019510
n÷2
319701951
n÷3
213134634
n÷3
159850975.5
n÷5
127880780.4
n2
408837349892825604
n3
2.6141219680481E+26
n4
1.6714797866739E+35
n5
1.0687506977134E+44
2 √n
25286.437115576
3 √n
861.5062399428
4 √n
159.01709692853
5 √n
57.697242347453
1 , 2 , 3 , 6 , 9 , 18 , 27 , 54 , 11840813 , 23681626 , 35522439 , 71044878 , 106567317 , 213134634 , 319701951 , 639403902
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
-639403901
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 639403902 can be divided by 16 positive divisors.
The sum of these divisors (counting 639403902) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110000111001000011101111110
3
Ternary
1122120011002021000
4
Quaternary
212013020131332
5
Quinary
2302141411102
6
Senary
143240351130
8
Octal
4607103576
10
Decimal
639403902
12
Duodecimal
15a1754a6
16
Hexadecimal
261c877e
20
Vigesimal
9jg59f2
36
Base36
akon7i
md5
9db116a00ee93508cb6f867d73185ae1
sha1
fd7edde56b84b6148e3cf1d2b3126e48f6855159
sha256
7bbaf09ce02865f66c71a55347c4bf6361b1695385a74003769f0364eceb2293
sha512
58c6b80d13480950c4af9c6840d309952fd34f9c2e5db507deb4fad6465fc508061c525897a9b81babc1ca2db1153518bfb4c233401f61636fe90fc879ce02eb
ripemd-160
02129ab35e5b5f654e2ece13b720da2d362ea13a
Diameter
1278807804
Circumference
4017493202.3997
Area
1.2844004149364E+18
Volume
1.0950008493877E+27
Surface area
5.1376016597457E+18
Circumference
4017493202.3997
Perimeter
2557615608
Area
408837349892825604
Diagonal
904253670.04268
Surface area
2453024099356953624
Volume
2.6141219680481E+26
Space diagonal
1107480044.8218
Perimeter
1918211706
Area
1.7703176551155E+17
Altitude
553740022.4109
Surface area
1.7703176551155E+17
Volume
3.0807722840926E+25
Height
301417890.01423