642100091 is an odd 9-digits composite number following 642100090
and preceding 642100092 . In scientific notation, it is written as 6.42100091 × 10^8.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 631152000 positive integers (up to 642100091) that are relatively prime to 642100091.
642100091 has 8 divisors, whose sum is 653062368
The reverse of 642100091 is 190001246
Previous prime number is 2161
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 23
Digital Root 5
Name
six hundred forty-two million one hundred thousand ninety-one
Scientific notation
6.42100091 × 10^8
Engineering notation
6.42100091 × 10^6
Prime Factorization
61 × 2161 × 4871
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
642100091
Product of the distinct prime numbers
The prime factorization of 642100091 is 61 × 2161 × 4871.
Since it has a total of 3 prime factors.
8 , 5 , 44 , 81 , 542 , 578 , 3950 , 169 , 98439 , 46875 , 132329 , 87583 , 7805408 , 8191724 , 77150038 , 77282884 , 55909615 , 952318508 , 669688842 , 6597040857
n×2
1284200182
n×3
1926300273
n×4
2568400364
n×5
3210500455
n÷2
321050045.5
n÷3
214033363.66667
n÷3
160525022.75
n÷5
128420018.2
n2
412292526862208281
n3
2.6473306901684E+26
n4
1.6998512770642E+35
n5
1.0914746596894E+44
2 √n
25339.693979999
3 √n
862.71545288956
4 √n
159.18446525964
5 √n
57.745819137708
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
-642100090
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 642100091 can be divided by 8 positive divisors.
The sum of these divisors (counting 642100091) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110010001011010101101111011
3
Ternary
1122202020001201212
4
Quaternary
212101122231323
5
Quinary
2303334200331
6
Senary
143414233335
8
Octal
4621325573
10
Decimal
642100091
12
Duodecimal
15b05584b
16
Hexadecimal
2645ab7b
20
Vigesimal
a0d2a4b
36
Base36
amafln
md5
e00b14bd2bcda7dca2dba800788efc4b
sha1
4b4010f8988f8c6b713456a695f3a17daf43580b
sha256
6ff251eec2f8d3a8bf3e65c2ca246a843dad49e1fb63b038c7b6bb017c43444f
sha512
4149ff2c3de8b745423dae2d9d2315a3e79d141a8404917bbb351c323d854f87f7555f605d3d8d0c1ca74b872338c62d7db338557406a86d97229a4074182b8c
ripemd-160
28c9676ff145945ccac26b822fda4202559344e4
Diameter
1284200182
Circumference
4034433857.5099
Area
1.2952551735203E+18
Volume
1.1089112863808E+27
Surface area
5.1810206940811E+18
Circumference
4034433857.5099
Perimeter
2568400364
Area
412292526862208281
Diagonal
908066657.0932
Surface area
2473755161173249686
Volume
2.6473306901684E+26
Space diagonal
1112149981.1566
Perimeter
1926300273
Area
1.7852790102658E+17
Altitude
556074990.5783
Surface area
1.7852790102658E+17
Volume
3.1199091384356E+25
Height
302688885.69773