642091207 is an odd 9-digits composite number following 642091206
and preceding 642091208 . In scientific notation, it is written as 6.42091207 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 578038208 positive integers (up to 642091207) that are relatively prime to 642091207.
642091207 has 8 divisors, whose sum is 671731200
The reverse of 642091207 is 702190246
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
six hundred forty-two million ninety-one thousand two hundred seven
Scientific notation
6.42091207 × 10^8
Engineering notation
6.42091207 × 10^6
Prime Factorization
391 × 23 × 71399
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
642091207
Product of the distinct prime numbers
The prime factorization of 642091207 is 391 × 23 × 71399.
Since it has a total of 3 prime factors.
5 , 9 , 87 , 57 , 335 , 35 , 6565 , 5467 , 28493 , 51551 , 424121 , 153482 , 4524949 , 4727226 , 82098975 , 93030863 , 339023235 , 909163479 , 9124242298 , 8366675572
n×2
1284182414
n×3
1926273621
n×4
2568364828
n×5
3210456035
n÷2
321045603.5
n÷3
214030402.33333
n÷3
160522801.75
n÷5
128418241.4
n2
412281118106716849
n3
2.6472208074845E+26
n4
1.6997572034732E+35
n5
1.0913991543851E+44
2 √n
25339.518681301
3 √n
862.71147407093
4 √n
159.18391464373
5 √n
57.745659344335
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
-642091206
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 642091207 can be divided by 8 positive divisors.
The sum of these divisors (counting 642091207) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110010001011000100011000111
3
Ternary
1122202012121112211
4
Quaternary
212101120203013
5
Quinary
2303333404312
6
Senary
143414124251
8
Octal
4621304307
10
Decimal
642091207
12
Duodecimal
15b050687
16
Hexadecimal
264588c7
20
Vigesimal
a0d1807
36
Base36
ama8qv
md5
ebd0670d7ec84843c1010e75cd2d5ed2
sha1
8806a9558cdf59543e28a38ce7f221fa8eeb803d
sha256
5e456377eebe9b80d21c421d426c53020e72f9baf2c39027c7668ece4faecce5
sha512
a0521ebcea5a0630578c37dfa985ab421190fad01e0e1e4ed2fc148aae9fef2fad4f371a6b8894c483739bf275038a049fdd79e1c0b322579dddef41d036dbcd
ripemd-160
6f6b4a4960c95516d891755c4ad2d6951e62c93f
Diameter
1284182414
Circumference
4034378037.6916
Area
1.2952193318578E+18
Volume
1.1088652588298E+27
Surface area
5.1808773274314E+18
Circumference
4034378037.6916
Perimeter
2568364828
Area
412281118106716849
Diagonal
908054093.21991
Surface area
2473686708640301094
Volume
2.6472208074845E+26
Space diagonal
1112134593.6172
Perimeter
1926273621
Area
1.7852296089053E+17
Altitude
556067296.80861
Surface area
1.7852296089053E+17
Volume
3.1197796404507E+25
Height
302684697.73997