21106961 is an odd 8-digits prime number following 21106960
and preceding 21106962 . In scientific notation, it is written as 2.1106961 × 10^7.
The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors.
There are 21106960 positive integers (up to 21106961) that are relatively prime to 21106961.
21106961 has 2 divisors, whose sum is 21106962
The reverse of 21106961 is 16960112
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million one hundred six thousand nine hundred sixty-one
Scientific notation
2.1106961 × 10^7
Engineering notation
2.1106961 × 10^6
Prime Factorization
21106961
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21106961
Product of the distinct prime numbers
The prime factorization of 21106961 is 21106961.
Since it has a total of 1 prime factors.
3 , 3 , 91 , 16 , 448 , 3 , 5922 , 1725 , 87726 , 18765 , 482129 , 773673 , 9483607 , 7474534 , 97502742 , 14120442 , 925431022 , 452655004 , 6124555163 , 2447366791
n×2
42213922
n×3
63320883
n×4
84427844
n×5
105534805
n÷2
10553480.5
n÷3
7035653.6666667
n÷3
5276740.25
n÷5
4221392.2
n2
445503802655521
n3
9.4032313880018E+21
n4
1.9847363818053E+29
n5
4.1891753406045E+36
2 √n
4594.2312741089
3 √n
276.36003301498
4 √n
67.780758878231
5 √n
29.166555400569
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21106962
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10553481
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4594.231382941
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999052445
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21106961 can be divided by 2 positive divisors.
The sum of these divisors (counting 21106961) is 21106962, the average is 10553481.
Base
System
Value
2
Binary
1010000100001000100010001
3
Ternary
1110201100022022
4
Quaternary
1100201010101
5
Quinary
20400410321
6
Senary
2032221225
8
Octal
120410421
10
Decimal
21106961
12
Duodecimal
709a815
16
Hexadecimal
1421111
20
Vigesimal
6bi781
36
Base36
cke8h
md5
2989af2e12c5bceb0be85eef8b9efb50
sha1
4ba728a3066d7766d23db8b4a394b829653e915c
sha256
43d5bb1d8dc04fb6ca4028c7453808fa0cc04ad9c311866b6eda81754bdedbc9
sha512
b134d99fae2d8775cce942ba864400cb8e11860f0a16155efb9bb5c99b306eb5d93c9bf7795b702f032844d3a4e127cd20a59c15f7c44b145840475774096653
ripemd-160
341ab22388d25c8ea97e5238e4d1866d38cede0c
Diameter
42213922
Circumference
132618947.23441
Area
1.3995914735689E+15
Volume
3.9388163531402E+22
Surface area
5.5983658942756E+15
Circumference
132618947.23441
Perimeter
84427844
Area
445503802655521
Diagonal
29849750.50668
Surface area
2673022815933126
Volume
9.4032313880018E+21
Space diagonal
36558328.845375
Perimeter
63320883
Area
1.9290880529113E+14
Altitude
18279164.422687
Surface area
1.9290880529113E+14
Volume
1.108181446587E+21
Height
9949916.83556