642498081 is an odd 9-digits composite number following 642498080
and preceding 642498082 . In scientific notation, it is written as 6.42498081 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 416755440 positive integers (up to 642498081) that are relatively prime to 642498081.
642498081 has 8 divisors, whose sum is 879817344
The reverse of 642498081 is 180894246
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
six hundred forty-two million four hundred ninety-eight thousand eighty-one
Scientific notation
6.42498081 × 10^8
Engineering notation
6.42498081 × 10^6
Prime Factorization
3 × 37 × 5788271
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
642498081
Product of the distinct prime numbers
The prime factorization of 642498081 is 3 × 37 × 5788271.
Since it has a total of 3 prime factors.
10 , 6 , 20 , 24 , 573 , 274 , 4167 , 6358 , 50076 , 6859 , 107337 , 11712 , 3840848 , 5837344 , 71962679 , 8987904 , 343220765 , 46134637 , 5482772635 , 5338598121
n×2
1284996162
n×3
1927494243
n×4
2569992324
n×5
3212490405
n÷2
321249040.5
n÷3
214166027
n÷3
160624520.25
n÷5
128499616.2
n2
412803784088682561
n3
2.6522563910652E+26
n4
1.7040696415794E+35
n5
1.0948614746051E+44
2 √n
25347.545857538
3 √n
862.89366041664
4 √n
159.20912617541
5 √n
57.752975829633
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
-642498080
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 642498081 can be divided by 8 positive divisors.
The sum of these divisors (counting 642498081) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110010010111011111000100001
3
Ternary
1122202222021200020
4
Quaternary
212102323320201
5
Quinary
2303434414311
6
Senary
143430544053
8
Octal
4622737041
10
Decimal
642498081
12
Duodecimal
15b208029
16
Hexadecimal
264bbe21
20
Vigesimal
a0fc541
36
Base36
amiyox
md5
01d3aea0c7b417efbd38e8f04f2cd3c2
sha1
43656f74db86059ad8daee8e189eedf7cf3caee4
sha256
10f656ae6e1d440d47e41048aa28bdedd52092bf5312b309af1010ed38a50e9f
sha512
1f4770a522a0577ea326abc11c26f5aab151690d626b0b6232019ed478a58ad6bc806e3d1944d2d8f9bf2613f9051c2387a2d72b5d24f1639e988f95b25f2519
ripemd-160
c335888819d67991683c3768b338e138d62d3c16
Diameter
1284996162
Circumference
4036934502.4303
Area
1.2968613354671E+18
Volume
1.1109745591476E+27
Surface area
5.1874453418683E+18
Circumference
4036934502.4303
Perimeter
2569992324
Area
412803784088682561
Diagonal
908629499.94889
Surface area
2476822704532095366
Volume
2.6522563910652E+26
Space diagonal
1112839320.0575
Perimeter
1927494243
Area
1.7874928189957E+17
Altitude
556419660.02875
Surface area
1.7874928189957E+17
Volume
3.1257141326126E+25
Height
302876499.98296