21075931 is an odd 8-digits prime number following 21075930
and preceding 21075932 . In scientific notation, it is written as 2.1075931 × 10^7.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 21075930 positive integers (up to 21075931) that are relatively prime to 21075931.
21075931 has 2 divisors, whose sum is 21075932
The reverse of 21075931 is 13957012
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million seventy-five thousand nine hundred thirty-one
Scientific notation
2.1075931 × 10^7
Engineering notation
2.1075931 × 10^6
Prime Factorization
21075931
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21075931
Product of the distinct prime numbers
The prime factorization of 21075931 is 21075931.
Since it has a total of 1 prime factors.
3 , 10 , 52 , 86 , 397 , 730 , 5742 , 3542 , 49905 , 5672 , 382279 , 892239 , 1020516 , 4669434 , 69804390 , 71763630 , 508619666 , 277573598 , 6973637175 , 8031803473
n×2
42151862
n×3
63227793
n×4
84303724
n×5
105379655
n÷2
10537965.5
n÷3
7025310.3333333
n÷3
5268982.75
n÷5
4215186.2
n2
444194867516761
n3
9.3618203783374E+21
n4
1.9730908032823E+29
n5
4.1584725626713E+36
2 √n
4590.8529708541
3 √n
276.22453810083
4 √n
67.7558334821
5 √n
29.157974621044
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21075932
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10537966
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4590.8530797663
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999905105
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21075931 can be divided by 2 positive divisors.
The sum of these divisors (counting 21075931) is 21075932, the average is 10537966.
Base
System
Value
2
Binary
1010000011001011111011011
3
Ternary
1110122202202001
4
Quaternary
1100121133123
5
Quinary
20343412211
6
Senary
2031421431
8
Octal
120313733
10
Decimal
21075931
12
Duodecimal
7084877
16
Hexadecimal
14197db
20
Vigesimal
6be9gb
36
Base36
cjqaj
md5
44b1b9fcea9f9b87526913372f178577
sha1
5a4811ef0ca0638f79e9770d34a5bcab4ea0a48d
sha256
cc1390ea2da3f3095037e99f97c3f5199a6b6116443303e5526c9dfec59a69f8
sha512
394d4c9b3b22ac94feed8774fad3741223f064f2cdc02b34f531b5faa4bf884acc8f0ed0ddbd25060631a75e0b39825239fd1c09f2ce33b254dc4dce80f53303
ripemd-160
0f795bed3097caa985f4f27edf15f8e5b7e887cc
Diameter
42151862
Circumference
132423979.99433
Area
1.3954793325529E+15
Volume
3.9214701499749E+22
Surface area
5.5819173302118E+15
Circumference
132423979.99433
Perimeter
84303724
Area
444194867516761
Diagonal
29805867.45984
Surface area
2665169205100566
Volume
9.3618203783374E+21
Space diagonal
36504583.308816
Perimeter
63227793
Area
1.9234201975009E+14
Altitude
18252291.654408
Surface area
1.9234201975009E+14
Volume
1.1033011122955E+21
Height
9935289.1532799