642190939 is an odd 9-digits composite number following 642190938
and preceding 642190940 . In scientific notation, it is written as 6.42190939 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 566663328 positive integers (up to 642190939) that are relatively prime to 642190939.
642190939 has 16 divisors, whose sum is 722760192
The reverse of 642190939 is 939091246
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
six hundred forty-two million one hundred ninety thousand nine hundred thirty-nine
Scientific notation
6.42190939 × 10^8
Engineering notation
6.42190939 × 10^6
Prime Factorization
13 × 43 × 47 × 24443
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
642190939
Product of the distinct prime numbers
The prime factorization of 642190939 is 13 × 43 × 47 × 24443.
Since it has a total of 4 prime factors.
9 , 6 , 9 , 90 , 611 , 757 , 4814 , 2724 , 83453 , 72624 , 875950 , 413904 , 7172758 , 1104870 , 55414066 , 37800979 , 770370481 , 737212693 , 4377288350 , 6015918900
n×2
1284381878
n×3
1926572817
n×4
2568763756
n×5
3210954695
n÷2
321095469.5
n÷3
214063646.33333
n÷3
160547734.75
n÷5
128438187.8
n2
412409202133701721
n3
2.6484545277048E+26
n4
1.7008135000456E+35
n5
1.0922470186581E+44
2 √n
25341.486519145
3 √n
862.75613827932
4 √n
159.19009554349
5 √n
57.747453087111
1 , 13 , 43 , 47 , 559 , 611 , 2021 , 24443 , 26273 , 317759 , 1051049 , 1148821 , 13663637 , 14934673 , 49399303 , 642190939
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
-642190938
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 642190939 can be divided by 16 positive divisors.
The sum of these divisors (counting 642190939) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110010001110000111001011011
3
Ternary
1122202101200100121
4
Quaternary
212101300321123
5
Quinary
2303400102224
6
Senary
143420214111
8
Octal
4621607133
10
Decimal
642190939
12
Duodecimal
15b09a337
16
Hexadecimal
26470e5b
20
Vigesimal
a0ddh6j
36
Base36
amcdp7
md5
d542496dc579f294ef85bb2d0c61ddaf
sha1
f4042f370ecbea4caac393459177d1c4f552b0d4
sha256
edd61c9818cb8b933ad5361485c25db2caf03b5d8e29012eaa7067a09b79e57c
sha512
7eece521f9b30d7ac974b18d440a939a834ea7c029c99d3ec1176e9a02d7f584956a4af4274e915af957b2c430e66e5b76b5b1b810f760c1c1c6b5a11a996974
ripemd-160
be9515cf092219dec4b623f7cc767d771a084c73
Diameter
1284381878
Circumference
4035004672.3287
Area
1.2956217196961E+18
Volume
1.1093820383472E+27
Surface area
5.1824868787843E+18
Circumference
4035004672.3287
Perimeter
2568763756
Area
412409202133701721
Diagonal
908195135.56691
Surface area
2474455212802210326
Volume
2.6484545277048E+26
Space diagonal
1112307334.5084
Perimeter
1926572817
Area
1.7857842290113E+17
Altitude
556153667.25418
Surface area
1.7857842290113E+17
Volume
3.1212335936738E+25
Height
302731711.85564