639969652 is an even 9-digits composite number following 639969651
and preceding 639969653 . In scientific notation, it is written as 6.39969652 × 10^8.
The sum of its digits is 55. It has a total of 4 prime factors and 12 positive divisors.
There are 274272696 positive integers (up to 639969652) that are relatively prime to 639969652.
639969652 has 12 divisors, whose sum is 1279939360
The reverse of 639969652 is 256969936
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 55
Digital Root 1
Name
six hundred thirty-nine million nine hundred sixty-nine thousand six hundred fifty-two
Scientific notation
6.39969652 × 10^8
Engineering notation
6.39969652 × 10^6
Prime Factorization
2 × 2 × 7 × 22856059
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
319984826
Product of the distinct prime numbers
The prime factorization of 639969652 is 2 × 2 × 7 × 22856059.
Since it has a total of 4 prime factors.
5 , 8 , 82 , 48 , 391 , 309 , 2901 , 6247 , 15896 , 16852 , 252494 , 901558 , 6967310 , 9642234 , 76514271 , 72817445 , 177600996 , 127607972 , 3073862766 , 8390528460
n×2
1279939304
n×3
1919908956
n×4
2559878608
n×5
3199848260
n÷2
319984826
n÷3
213323217.33333
n÷3
159992413
n÷5
127993930.4
n2
409561155481001104
n3
2.6210671014589E+26
n4
1.6774034007893E+35
n5
1.0734872706668E+44
2 √n
25297.621469221
3 √n
861.76025438412
4 √n
159.05226018269
5 √n
57.707448937698
1 , 2 , 4 , 7 , 14 , 28 , 22856059 , 45712118 , 91424236 , 159992413 , 319984826 , 639969652
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-639969651
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 639969652 can be divided by 12 positive divisors.
The sum of these divisors (counting 639969652) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110001001010010100101110100
3
Ternary
1122121012211022201
4
Quaternary
212021102211310
5
Quinary
2302313012102
6
Senary
143300434244
8
Octal
4611224564
10
Decimal
639969652
12
Duodecimal
15a3a8984
16
Hexadecimal
26252974
20
Vigesimal
9jjg42c
36
Base36
al0rqs
md5
4148f19c52ef2e4e637f9c89351aba93
sha1
4efca3e936e426ce1cdf67c89016d55350357b0d
sha256
4fdf8d9cac2c72f0140ae1ef4c212acb4f4700beef6df70d80539a5e1dd20144
sha512
980ddfa25253aef2c6ffec83b2e20c4fa445393c5ed5ee1937764984af4d2751c5ccea55b61a86123c82933321076866d99bf3fdd29009edab1654f8d09d2cab
ripemd-160
8f8c59eba7b61eb2667f521d7cc6702c04af246f
Diameter
1279939304
Circumference
4021047914.4872
Area
1.2866743172549E+18
Volume
1.0979100200679E+27
Surface area
5.1466972690194E+18
Circumference
4021047914.4872
Perimeter
2559878608
Area
409561155481001104
Diagonal
905053761.36559
Surface area
2457366932886006624
Volume
2.6210671014589E+26
Space diagonal
1108459952.5662
Perimeter
1919908956
Area
1.7734518252493E+17
Altitude
554229976.28309
Surface area
1.7734518252493E+17
Volume
3.088957202311E+25
Height
301684587.12186