21495797 is an odd 8-digits prime number following 21495796
and preceding 21495798 . In scientific notation, it is written as 2.1495797 × 10^7.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 21495796 positive integers (up to 21495797) that are relatively prime to 21495797.
21495797 has 2 divisors, whose sum is 21495798
The reverse of 21495797 is 79759412
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 seven hundred ninety-seven
Scientific notation
2.1495797 × 10^7
Engineering notation
2.1495797 × 10^6
Prime Factorization
21495797
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21495797 Product of the distinct prime numbers
The prime factorization of 21495797 is 21495797.
Since it has a total of 1 prime factors.
1 , 6 , 27 , 72 , 368 , 384 , 4578 , 9153 , 53054 , 8550 , 154600 , 40514 , 6340665 , 9174523 , 15840354 , 41684398 , 120229273 , 694584263 , 4564825743 , 9882992063
n×2
42991594
n×3
64487391
n×4
85983188
n×5
107478985
n÷2
10747898.5
n÷3
7165265.6666667
n÷3
5373949.25
n÷5
4299159.4
n2
462069288665209
n3
9.9325476290817E+21
n4
2.1350802752757E+29
n5
4.5895252176031E+36
2 √n4636.35600445
3 √n278.0467676611
4 √n68.090792361743
5 √n29.273234408885
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21495798 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10747899 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4636.3561122934 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999069586 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21495797 can be divided by 2 positive divisors.
The sum of these divisors (counting 21495797) is 21495798, the average is 10747899.
Base
System
Value
2
Binary
1010001111111111111110101
3
Ternary
1111110002200122
4
Quaternary
1101333333311
5
Quinary
21000331142
6
Senary
2044421325
8
Octal
121777765
10
Decimal
21495797
12
Duodecimal
7247845
16
Hexadecimal
147fff5
20
Vigesimal
6e6j9h
36
Base36
csq9h
md5
12cc73aa5e9b146a9f48cab631ac18ed
sha1
b29579a0e6d98b0b9ebfcd7a00b0a690b5e21e7f
sha256
6e95d9c4ea87ecc3ff13c862042df93caf878feccc5ef15071e325d953938772
sha512
ed62fb8027acf038c1b05fc286b2397e09cc38c052d41207e1b888e042dbafdf150754e307f0f53403ada41b0118c98fae21444ad8663407cf7878a309ae7932
ripemd-160
ae7fa7ba3d52566c8bad1d523ec43b1fdb730f73
Diameter
42991594
Circumference
135062075.87652
Area
1.4516334827201E+15
Volume
4.1605358217272E+22
Surface area
5.8065339308803E+15
Circumference
135062075.87652
Perimeter
85983188
Area
462069288665209
Diagonal
30399647.651419
Surface area
2772415731991254
Volume
9.9325476290817E+21
Space diagonal
37231812.553187
Perimeter
64487391
Area
2.0008187114634E+14
Altitude
18615906.276593
Surface area
2.0008187114634E+14
Volume
1.1705619638303E+21
Height
10133215.883806