21931711 is an odd 8-digits prime number following 21931710
and preceding 21931712 . In scientific notation, it is written as 2.1931711 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 21931710 positive integers (up to 21931711) that are relatively prime to 21931711.
21931711 has 2 divisors, whose sum is 21931712
The reverse of 21931711 is 11713912
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million nine hundred thirty-one thousand seven hundred eleven
Scientific notation
2.1931711 × 10^7
Engineering notation
2.1931711 × 10^6
Prime Factorization
21931711
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21931711
Product of the distinct prime numbers
The prime factorization of 21931711 is 21931711.
Since it has a total of 1 prime factors.
2 , 10 , 6 , 67 , 182 , 207 , 7558 , 8922 , 32940 , 28832 , 901097 , 737392 , 9204891 , 6796098 , 24324996 , 5414838 , 225434628 , 959926290 , 7128567800 , 5409492241
n×2
43863422
n×3
65795133
n×4
87726844
n×5
109658555
n÷2
10965855.5
n÷3
7310570.3333333
n÷3
5482927.75
n÷5
4386342.2
n2
480999947387521
n3
1.0549151837118E+22
n4
2.313609493868E+29
n5
5.0741414786369E+36
2 √n
4683.1304701022
3 √n
279.9137106553
4 √n
68.433401713653
5 √n
29.391009482557
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21931712
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10965856
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4683.1305768684
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999088078
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21931711 can be divided by 2 positive divisors.
The sum of these divisors (counting 21931711) is 21931712, the average is 10965856.
Base
System
Value
2
Binary
1010011101010011010111111
3
Ternary
1112021020122121
4
Quaternary
1103222122333
5
Quinary
21103303321
6
Senary
2102023411
8
Octal
123523277
10
Decimal
21931711
12
Duodecimal
7417b67
16
Hexadecimal
14ea6bf
20
Vigesimal
6h195b
36
Base36
d22m7
md5
21aab38553248b6fc4ff9a467d2eeb92
sha1
2bdb675663b18052c90532d2030d55d2d43fc065
sha256
d6c8d15d350c98e85dc1d8c5a50441b8c6a178bc48db741e2aa12c6b39d6464d
sha512
a411e2b7e93cac7a27424e1125befaa0d14355aac891158981384f9c54e204a26406cca2b43a8e222c851e6df293690503bc58211e60da15d72a1bffebf2b1f4
ripemd-160
ccf4d9f24f3562a6cc606c0ceae23cc39c3d960f
Diameter
43863422
Circumference
137801004.31651
Area
1.5111059010897E+15
Volume
4.4188183884126E+22
Surface area
6.0444236043589E+15
Circumference
137801004.31651
Perimeter
87726844
Area
480999947387521
Diagonal
31016123.142247
Surface area
2885999684325126
Volume
1.0549151837118E+22
Space diagonal
37986837.748917
Perimeter
65795133
Area
2.0827908682829E+14
Altitude
18993418.874459
Surface area
2.0827908682829E+14
Volume
1.2432294666321E+21
Height
10338707.714082