639492061 is an odd 9-digits composite number following 639492060
and preceding 639492062 . In scientific notation, it is written as 6.39492061 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 587827632 positive integers (up to 639492061) that are relatively prime to 639492061.
639492061 has 8 divisors, whose sum is 691568640
The reverse of 639492061 is 160294936
Previous prime number is 239
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
six hundred thirty-nine million four hundred ninety-two thousand sixty-one
Scientific notation
6.39492061 × 10^8
Engineering notation
6.39492061 × 10^6
Prime Factorization
13 × 239 × 205823
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
639492061
Product of the distinct prime numbers
The prime factorization of 639492061 is 13 × 239 × 205823.
Since it has a total of 3 prime factors.
2 , 5 , 53 , 70 , 843 , 659 , 6330 , 6000 , 70369 , 87371 , 607240 , 944943 , 6044530 , 831021 , 7941963 , 40231262 , 351081839 , 4584297 , 9459942830 , 4571082917
n×2
1278984122
n×3
1918476183
n×4
2557968244
n×5
3197460305
n÷2
319746030.5
n÷3
213164020.33333
n÷3
159873015.25
n÷5
127898412.2
n2
408950096082027721
n3
2.6152033978964E+26
n4
1.672401810855E+35
n5
1.0694876808438E+44
2 √n
25288.180262724
3 √n
861.5458320473
4 √n
159.02257783951
5 √n
57.698833282594
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-639492060
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 639492061 can be divided by 8 positive divisors.
The sum of these divisors (counting 639492061) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110000111011101111111011101
3
Ternary
1122120022120012011
4
Quaternary
212013131333131
5
Quinary
2302202221221
6
Senary
143242311221
8
Octal
4607357735
10
Decimal
639492061
12
Duodecimal
15a1b8511
16
Hexadecimal
261ddfdd
20
Vigesimal
9jgga31
36
Base36
akqj8d
md5
7b72fc1645dd18f76e32ae70e850d4f0
sha1
773fb33e7beba9d295c1a54a5e6a99486f642475
sha256
56b78d376b18b387930abe648a0749e1fa5e1530f069ac663aac2721d8fe2505
sha512
240ce8696fd3b4d12e87144df00d6f6742403d1782a6b2721da594fceaecc9184db5dee490c068b2270552f91668e8124b8795f6a19e58a07fc4fc9e4cec3347
ripemd-160
a521e4867bfa3144d01cd438870bd511ffc6281f
Diameter
1278984122
Circumference
4018047121.7332
Area
1.2847546175361E+18
Volume
1.0954538376633E+27
Surface area
5.1390184701446E+18
Circumference
4018047121.7332
Perimeter
2557968244
Area
408950096082027721
Diagonal
904378345.69612
Surface area
2453700576492166326
Volume
2.6152033978964E+26
Space diagonal
1107632740.6889
Perimeter
1918476183
Area
1.7708058604356E+17
Altitude
553816370.34447
Surface area
1.7708058604356E+17
Volume
3.0820467613911E+25
Height
301459448.56537