21497320 is an even 8-digits composite number following 21497319
and preceding 21497321 . In scientific notation, it is written as 2.1497320 × 10^7.
The sum of its digits is 28. It has a total of 6 prime factors and 32 positive divisors.
There are 7937280 positive integers (up to 21497320) that are relatively prime to 21497320.
21497320 has 32 divisors, whose sum is 52090920
The reverse of 21497320 is 02379412
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million four hundred ninety-seven thousand three hundred twenty
Scientific notation
2.1497320 × 10^7
Engineering notation
2.1497320 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 13 × 41341
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5374330
Product of the distinct prime numbers
The prime factorization of 21497320 is 2 × 2 × 2 × 5 × 13 × 41341.
Since it has a total of 6 prime factors.
10 , 6 , 28 , 28 , 252 , 532 , 7893 , 661 , 76226 , 93437 , 646905 , 544074 , 8016671 , 8669670 , 24284987 , 52340683 , 92294784 , 108889165 , 1974747671 , 4616408563
n×2
42994640
n×3
64491960
n×4
85989280
n×5
107486600
n÷2
10748660
n÷3
7165773.3333333
n÷3
5374330
n÷5
4299464
n2
462134767182400
n3
9.9346589732456E+21
n4
2.1356854303873E+29
n5
4.5911513116374E+36
2 √n
4636.5202469093
3 √n
278.05333414208
4 √n
68.091998405902
5 √n
29.273649205066
1 , 2 , 4 , 5 , 8 , 10 , 13 , 20 , 26 , 40 , 52 , 65 , 104 , 130 , 260 , 520 , 41341 , 82682 , 165364 , 206705 , 330728 , 413410 , 537433 , 826820 , 1074866 , 1653640 , 2149732 , 2687165 , 4299464 , 5374330 , 10748660 , 21497320
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21497319
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21497320 can be divided by 32 positive divisors.
The sum of these divisors (counting 21497320) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010000000010111101000
3
Ternary
1111110011210001
4
Quaternary
1102000113220
5
Quinary
21000403240
6
Senary
2044432344
8
Octal
122002750
10
Decimal
21497320
12
Duodecimal
72486b4
16
Hexadecimal
14805e8
20
Vigesimal
6e7360
36
Base36
csrfs
md5
f01a89c944ca76e1662ffb776cbec702
sha1
2bf4470be4ec23dfbf8abb2f1d6fb2af8579e786
sha256
79d7a054c35d209f235aeab1bcc690194f9b777feb192d4dec0bcaae4caff963
sha512
0ddff08662f2cc5e4889441d807da0d24334056a7c3776031c86ecda7410b2501cd2cb9722c42b2663d9537c625b8ac429bc1c4ad06741293e4aa6843639ef3c
ripemd-160
becda112caf923b92b8173fcae58306ef541d4cd
Diameter
42994640
Circumference
135071645.16774
Area
1.4518391895487E+15
Volume
4.1614202195024E+22
Surface area
5.8073567581946E+15
Circumference
135071645.16774
Perimeter
85989280
Area
462134767182400
Diagonal
30401801.498674
Surface area
2772808603094400
Volume
9.9346589732456E+21
Space diagonal
37234450.466567
Perimeter
64491960
Area
2.0011022417598E+14
Altitude
18617225.233283
Surface area
2.0011022417598E+14
Volume
1.1708107881263E+21
Height
10133933.832891