21082078 is an even 8-digits composite number following 21082077
and preceding 21082079 . In scientific notation, it is written as 2.1082078 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 10541038 positive integers (up to 21082078) that are relatively prime to 21082078.
21082078 has 4 divisors, whose sum is 31623120
The reverse of 21082078 is 87028012
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million eighty-two thousand seventy-eight
Scientific notation
2.1082078 × 10^7
Engineering notation
2.1082078 × 10^6
Prime Factorization
2 × 10541039
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21082078
Product of the distinct prime numbers
The prime factorization of 21082078 is 2 × 10541039.
Since it has a total of 2 prime factors.
8 , 4 , 2 , 70 , 649 , 152 , 8278 , 4685 , 83611 , 11533 , 228244 , 335858 , 7156693 , 3022330 , 27678411 , 3248246 , 739852055 , 245612326 , 259008563 , 4684230013
n×2
42164156
n×3
63246234
n×4
84328312
n×5
105410390
n÷2
10541039
n÷3
7027359.3333333
n÷3
5270519.5
n÷5
4216415.6
n2
444454012798084
n3
9.3700141652222E+21
n4
1.9753936949232E+29
n5
4.1645403957079E+36
2 √n
4591.5224054773
3 √n
276.25139001369
4 √n
67.760773353595
5 √n
29.159675263958
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21082077
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21082078 can be divided by 4 positive divisors.
The sum of these divisors (counting 21082078) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000011010111111011110
3
Ternary
1110200002011201
4
Quaternary
1100122333132
5
Quinary
20344111303
6
Senary
2031510114
8
Octal
120327736
10
Decimal
21082078
12
Duodecimal
708833a
16
Hexadecimal
141afde
20
Vigesimal
6bf53i
36
Base36
cjv1a
md5
1de5b077447c68e9b1d508fd922f4c37
sha1
3929e7a4efa12034fe3997a075e9138ab93efe58
sha256
7beb4391d5479446792c97f5152e73030627bf13af64c729c938256fd7e99651
sha512
b6b608cfdf7c4949106ab48b66bc08215ef7e837f5aed2edeadc6e9bf16b27667d0150910ca2cc70d1d1e979de8fb4bc25ec77348ebfb7853b1c28172a8e0020
ripemd-160
bd366cfba4f0322683189bd597040967e91c0ef1
Diameter
42164156
Circumference
132462602.73441
Area
1.396293461465E+15
Volume
3.9249023553993E+22
Surface area
5.5851738458599E+15
Circumference
132462602.73441
Perimeter
84328312
Area
444454012798084
Diagonal
29814560.630607
Surface area
2666724076788504
Volume
9.3700141652222E+21
Space diagonal
36515230.22513
Perimeter
63246234
Area
1.9245423294854E+14
Altitude
18257615.112565
Surface area
1.9245423294854E+14
Volume
1.1042667593404E+21
Height
9938186.8768692