642764189 is an odd 9-digits prime number following 642764188
and preceding 642764190 . In scientific notation, it is written as 6.42764189 × 10^8.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 642764188 positive integers (up to 642764189) that are relatively prime to 642764189.
642764189 has 2 divisors, whose sum is 642764190
The reverse of 642764189 is 981467246
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
six hundred forty-two million seven hundred sixty-four thousand one hundred eighty-nine
Scientific notation
6.42764189 × 10^8
Engineering notation
6.42764189 × 10^6
Prime Factorization
642764189
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
642764189
Product of the distinct prime numbers
The prime factorization of 642764189 is 642764189.
Since it has a total of 1 prime factors.
7 , 6 , 93 , 95 , 921 , 13 , 8409 , 8328 , 51993 , 95415 , 21815 , 433932 , 2283665 , 5038396 , 44326310 , 74978900 , 842835527 , 795557923 , 5266702669 , 6710213786
n×2
1285528378
n×3
1928292567
n×4
2571056756
n×5
3213820945
n÷2
321382094.5
n÷3
214254729.66667
n÷3
160691047.25
n÷5
128552837.8
n2
413145802660827721
n3
2.6555532678604E+26
n4
1.7068945425626E+35
n5
1.0971306863588E+44
2 √n
25352.794500804
3 √n
863.01277424164
4 √n
159.22560880965
5 √n
57.757759029416
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
642764190
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
321382095
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
25352.794520526
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999968884
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642764189 can be divided by 2 positive divisors.
The sum of these divisors (counting 642764189) is 642764190, the average is 321382095.
Base
System
Value
2
Binary
100110010011111100110110011101
3
Ternary
1122210110210201002
4
Quaternary
212103330312131
5
Quinary
2304021423224
6
Senary
143440400045
8
Octal
4623746635
10
Decimal
642764189
12
Duodecimal
15b316025
16
Hexadecimal
264fcd9d
20
Vigesimal
a0h5a99
36
Base36
amoo0t
md5
a89ff8dc2061049dc1372782fd1b4b69
sha1
991196fbe487ce3d75496bdab2497ffcb2a10e0d
sha256
4cb733b3cec7abe073213ce4c3df3209390245d09ae6d5892b124a2fab658f75
sha512
f48f1281536397dba907c8f68a0e1e587b74df62e2c12f64cc5cae1ce30744c6e1b1bc721c95c1212667aa73618c93b40309e6e9f9feb17318598f21d28fa8b2
ripemd-160
862fd0bb00327cae4e86919b526ec4143ef6ee16
Diameter
1285528378
Circumference
4038606508.306
Area
1.2979358185007E+18
Volume
1.1123555516702E+27
Surface area
5.1917432740029E+18
Circumference
4038606508.306
Perimeter
2571056756
Area
413145802660827721
Diagonal
909005833.49154
Surface area
2478874815964966326
Volume
2.6555532678604E+26
Space diagonal
1113300232.6338
Perimeter
1928292567
Area
1.7889738028559E+17
Altitude
556650116.3169
Surface area
1.7889738028559E+17
Volume
3.129599539177E+25
Height
303001944.49718