21016870 is an even 8-digits composite number following 21016869
and preceding 21016871 . In scientific notation, it is written as 2.1016870 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 7139328 positive integers (up to 21016870) that are relatively prime to 21016870.
21016870 has 16 divisors, whose sum is 32725296
The reverse of 21016870 is 07861012
Previous prime number is 113
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million sixteen thousand eight hundred seventy
Scientific notation
2.1016870 × 10^7
Engineering notation
2.1016870 × 10^6
Prime Factorization
2 × 35 × 113 × 2657
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21016870
Product of the distinct prime numbers
The prime factorization of 21016870 is 2 × 35 × 113 × 2657.
Since it has a total of 4 prime factors.
4 , 4 , 85 , 65 , 185 , 152 , 7020 , 3359 , 77675 , 73393 , 547125 , 302847 , 9162681 , 8879289 , 60251444 , 27727613 , 567078011 , 176382095 , 2210432158 , 1755476383
n×2
42033740
n×3
63050610
n×4
84067480
n×5
105084350
n÷2
10508435
n÷3
7005623.3333333
n÷3
5254217.5
n÷5
4203374
n2
441708824596900
n3
9.2833369444058E+21
n4
1.9510668572677E+29
n5
4.1005318500505E+36
2 √n
4584.4159933409
3 √n
275.96627572259
4 √n
67.708315540567
5 √n
29.141614416375
1 , 2 , 35 , 70 , 113 , 226 , 2657 , 3955 , 5314 , 7910 , 92995 , 185990 , 300241 , 600482 , 10508435 , 21016870
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21016869
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21016870 can be divided by 16 positive divisors.
The sum of these divisors (counting 21016870) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000001011000100100110
3
Ternary
1110112202201121
4
Quaternary
1100023010212
5
Quinary
20340014440
6
Senary
2030244154
8
Octal
120130446
10
Decimal
21016870
12
Duodecimal
705665a
16
Hexadecimal
140b126
20
Vigesimal
6b723a
36
Base36
cigpy
md5
afb47698204e5bd9c2ce6cd1aac0ad16
sha1
bc9836d5f33252c5cdc2ec092edb69a3107c9b6d
sha256
decc2eeea3dc11f523a5de8e30a6073865e880b87386a7e9372df9337d6b4429
sha512
b0008a3df427ce09936d21d808c4babde8d29c887facaa4fbf4871bbf663b1d102e7689c2cd8495b7930a84bf1a9b56dbdb4e6b1b5666f7601219fbd3e72e091
ripemd-160
965e9f5805cf38027f62b091abbcf1292dd35325
Diameter
42033740
Circumference
132052888.7869
Area
1.3876691983794E+15
Volume
3.8885950860459E+22
Surface area
5.5506767935176E+15
Circumference
132052888.7869
Perimeter
84067480
Area
441708824596900
Diagonal
29722342.592632
Surface area
2650252947581400
Volume
9.2833369444058E+21
Space diagonal
36402286.65607
Perimeter
63050610
Area
1.9126553158834E+14
Altitude
18201143.328035
Surface area
1.9126553158834E+14
Volume
1.0940517509048E+21
Height
9907447.5308774