21495977 is an odd 8-digits prime number following 21495976
and preceding 21495978 . In scientific notation, it is written as 2.1495977 × 10^7.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 21495976 positive integers (up to 21495977) that are relatively prime to 21495977.
21495977 has 2 divisors, whose sum is 21495978
The reverse of 21495977 is 77959412
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-one million four hundred ninety-five thousand nine hundred seventy-seven
Scientific notation
2.1495977 × 10^7
Engineering notation
2.1495977 × 10^6
Prime Factorization
21495977
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21495977
Product of the distinct prime numbers
The prime factorization of 21495977 is 21495977.
Since it has a total of 1 prime factors.
10 , 4 , 1 , 45 , 764 , 22 , 8927 , 5096 , 27553 , 53855 , 610288 , 79572 , 6718296 , 6746120 , 80235096 , 98185785 , 170526626 , 997997441 , 5037134266 , 7598799715
n×2
42991954
n×3
64487931
n×4
85983908
n×5
107479885
n÷2
10747988.5
n÷3
7165325.6666667
n÷3
5373994.25
n÷5
4299195.4
n2
462077027184529
n3
9.932797148587E+21
n4
2.1351517905169E+29
n5
4.5897173780461E+36
2 √n
4636.3754162061
3 √n
278.04754375512
4 √n
68.090934904773
5 √n
29.273283433953
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21495978
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10747989
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4636.3755240489
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999069593
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21495977 can be divided by 2 positive divisors.
The sum of these divisors (counting 21495977) is 21495978, the average is 10747989.
Base
System
Value
2
Binary
1010010000000000010101001
3
Ternary
1111110002221022
4
Quaternary
1102000002221
5
Quinary
21000332402
6
Senary
2044422225
8
Octal
122000251
10
Decimal
21495977
12
Duodecimal
7247975
16
Hexadecimal
14800a9
20
Vigesimal
6e6jih
36
Base36
csqeh
md5
89b41476d341419abf718d6a529a1c87
sha1
02e45411219221fa0bccf9ccaaf3b39a98c4a672
sha256
f80ed26e46698f5bae44cde3efb79c60dc475f077a6fbdbd27bc00e8c7e744ba
sha512
a46d4358faa20b2d0d0fa9fad03ddf0f6215c8463dbd5f89928fec3a7482ca99c68acd279f59eda4b58b0184aedbf7a242160d80b9ade6656d4e1afcb19389e0
ripemd-160
cafac425c9b56d57fc08df5da04a697bffc70dfb
Diameter
42991954
Circumference
135063206.84987
Area
1.4516577939955E+15
Volume
4.1606403402131E+22
Surface area
5.8066311759821E+15
Circumference
135063206.84987
Perimeter
85983908
Area
462077027184529
Diagonal
30399902.20986
Surface area
2772462163107174
Volume
9.932797148587E+21
Space diagonal
37232124.322332
Perimeter
64487931
Area
2.000852220235E+14
Altitude
18616062.161166
Surface area
2.000852220235E+14
Volume
1.170591369986E+21
Height
10133300.73662