639420937 is an odd 9-digits composite number following 639420936
and preceding 639420938 . In scientific notation, it is written as 6.39420937 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 628042560 positive integers (up to 639420937) that are relatively prime to 639420937.
639420937 has 8 divisors, whose sum is 650818080
The reverse of 639420937 is 739024936
Previous prime number is 1361
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
six hundred thirty-nine million four hundred twenty thousand nine hundred thirty-seven
Scientific notation
6.39420937 × 10^8
Engineering notation
6.39420937 × 10^6
Prime Factorization
59 × 1361 × 7963
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
639420937
Product of the distinct prime numbers
The prime factorization of 639420937 is 59 × 1361 × 7963.
Since it has a total of 3 prime factors.
2 , 2 , 40 , 27 , 649 , 297 , 2115 , 4096 , 57303 , 80577 , 162727 , 34591 , 8030397 , 1061106 , 26169068 , 73208795 , 353477025 , 551599448 , 9333019088 , 4652769650
n×2
1278841874
n×3
1918262811
n×4
2557683748
n×5
3197104685
n÷2
319710468.5
n÷3
213140312.33333
n÷3
159855234.25
n÷5
127884187.4
n2
408859134673957969
n3
2.6143309099423E+26
n4
1.6716579200634E+35
n5
1.0688930735904E+44
2 √n
25286.773953986
3 √n
861.51389062517
4 √n
159.0181560514
5 √n
57.697549778186
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
-639420936
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 639420937 can be divided by 8 positive divisors.
The sum of these divisors (counting 639420937) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110000111001100101000001001
3
Ternary
1122120011221121221
4
Quaternary
212013030220021
5
Quinary
2302142432222
6
Senary
143241002041
8
Octal
4607145011
10
Decimal
639420937
12
Duodecimal
15a183321
16
Hexadecimal
261cca09
20
Vigesimal
9jg7c6h
36
Base36
akp0cp
md5
77d762e53a18af16875725ef2b68e514
sha1
f89a7d9b093ed2a44ae31f1773c7993ed2ac37c4
sha256
0ad940e27fc67c23c20624f19b7178d125642487f15864cb6d38c41af385e45a
sha512
9c90bbf9f102a8654046d05ce1b49d18bf218d9f4dc406e55c45aeaa667822acda0718932aca3b83c104e9aacb8937a4d70c545d65a890413263a220aa702b09
ripemd-160
859493850e008ef8ab6d41032fe796f905e2e8cc
Diameter
1278841874
Circumference
4017600236.4614
Area
1.2844688538448E+18
Volume
1.0950883707637E+27
Surface area
5.1378754153791E+18
Circumference
4017600236.4614
Perimeter
2557683748
Area
408859134673957969
Diagonal
904277761.17071
Surface area
2453154808043747814
Volume
2.6143309099423E+26
Space diagonal
1107509550.3073
Perimeter
1918262811
Area
1.7704119859849E+17
Altitude
553754775.15365
Surface area
1.7704119859849E+17
Volume
3.0810185244763E+25
Height
301425920.39024