21451497 is an odd 8-digits composite number following 21451496
and preceding 21451498 . In scientific notation, it is written as 2.1451497 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 14300996 positive integers (up to 21451497) that are relatively prime to 21451497.
21451497 has 4 divisors, whose sum is 28602000
The reverse of 21451497 is 79415412
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million four hundred fifty-one thousand four hundred ninety-seven
Scientific notation
2.1451497 × 10^7
Engineering notation
2.1451497 × 10^6
Prime Factorization
3 × 7150499
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21451497
Product of the distinct prime numbers
The prime factorization of 21451497 is 3 × 7150499.
Since it has a total of 2 prime factors.
6 , 3 , 76 , 97 , 372 , 629 , 2093 , 1705 , 60058 , 24267 , 93448 , 941405 , 458801 , 2472908 , 6392676 , 75392419 , 10322606 , 501216089 , 2868510442 , 9539698019
n×2
42902994
n×3
64354491
n×4
85805988
n×5
107257485
n÷2
10725748.5
n÷3
7150499
n÷3
5362874.25
n÷5
4290299.4
n2
460166723541009
n3
9.8712650895398E+21
n4
2.1175341345447E+29
n5
4.5424277134583E+36
2 √n
4631.5760816379
3 √n
277.85563040343
4 √n
68.055683683568
5 √n
29.261158795917
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21451496
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21451497 can be divided by 4 positive divisors.
The sum of these divisors (counting 21451497) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001110101001011101001
3
Ternary
1111100211220220
4
Quaternary
1101311023221
5
Quinary
20442421442
6
Senary
2043440253
8
Octal
121651351
10
Decimal
21451497
12
Duodecimal
7226089
16
Hexadecimal
14752e9
20
Vigesimal
6e18eh
36
Base36
crs2x
md5
b9338fe09a36fddfc4269837b8f10666
sha1
bfe24ed487dc4d12f1d65b0d1928d655062cd98c
sha256
adb53eeac68d7fc37617eb5e2629a72e89e379639546dd43f625e3c204ca585d
sha512
81a832d21bfd1b8a2f3ce428ba847d7199693f76dbe86f6c3898bf4242b9fe5bd8e0314222b44c7e834c59e3ac078ffff079236ccc6a0ea508611db0cdb02bee
ripemd-160
3efe24f5b2937eff5148dc914504fc0ea21c9257
Diameter
42902994
Circumference
134783730.76741
Area
1.4456563981029E+15
Volume
4.1348658515914E+22
Surface area
5.7826255924117E+15
Circumference
134783730.76741
Perimeter
85805988
Area
460166723541009
Diagonal
30336997.990606
Surface area
2761000341246054
Volume
9.8712650895398E+21
Space diagonal
37155082.702411
Perimeter
64354491
Area
1.9925803628138E+14
Altitude
18577541.351206
Surface area
1.9925803628138E+14
Volume
1.1633397472839E+21
Height
10112332.663535