21997310 is an even 8-digits composite number following 21997309
and preceding 21997311 . In scientific notation, it is written as 2.1997310 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 8749056 positive integers (up to 21997310) that are relatively prime to 21997310.
21997310 has 16 divisors, whose sum is 39819600
The reverse of 21997310 is 01379912
Previous prime number is 179
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million nine hundred ninety-seven thousand three hundred ten
Scientific notation
2.1997310 × 10^7
Engineering notation
2.1997310 × 10^6
Prime Factorization
2 × 5 × 179 × 12289
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21997310
Product of the distinct prime numbers
The prime factorization of 21997310 is 2 × 5 × 179 × 12289.
Since it has a total of 4 prime factors.
8 , 9 , 89 , 97 , 370 , 732 , 4141 , 5548 , 86173 , 31908 , 626386 , 918057 , 5479938 , 3134595 , 45158430 , 71034416 , 793177428 , 626556451 , 294167078 , 807224415
n×2
43994620
n×3
65991930
n×4
87989240
n×5
109986550
n÷2
10998655
n÷3
7332436.6666667
n÷3
5499327.5
n÷5
4399462
n2
483881647236100
n3
1.0644094597563E+22
n4
2.3414144853192E+29
n5
5.1504820272057E+36
2 √n
4690.1289960938
3 √n
280.19251216701
4 √n
68.484516469738
5 √n
29.408570522222
1 , 2 , 5 , 10 , 179 , 358 , 895 , 1790 , 12289 , 24578 , 61445 , 122890 , 2199731 , 4399462 , 10998655 , 21997310
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21997309
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21997310 can be divided by 16 positive divisors.
The sum of these divisors (counting 21997310) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011111010011011111110
3
Ternary
1112101120122012
4
Quaternary
1103322123332
5
Quinary
21112403220
6
Senary
2103251222
8
Octal
123723376
10
Decimal
21997310
12
Duodecimal
7449b12
16
Hexadecimal
14fa6fe
20
Vigesimal
6h9d5a
36
Base36
d3h8e
md5
11048cb8aaf9cc363d6d740edc6039fe
sha1
a63119484c6fbc134950a420d385cf6785d3335e
sha256
c5d46b83bd89561ff1a9558d0162a53c454b0fd15daf8119380548fc96d097c8
sha512
507f35f5dff151a755d241f3dae0c3c25f463f7ca373faf045a500dcbeb7238e61de979798e1ca130fe865d6b5fd1f2a7aca46c878086a6cb41cc1e1846726a3
ripemd-160
039fefbd4bb6f703ed8b834e1e778e5be266a380
Diameter
43994620
Circumference
138213174.98947
Area
1.5201590281639E+15
Volume
4.4585879189092E+22
Surface area
6.0806361126554E+15
Circumference
138213174.98947
Perimeter
87989240
Area
483881647236100
Diagonal
31108894.137725
Surface area
2903289883416600
Volume
1.0644094597563E+22
Space diagonal
38100458.549843
Perimeter
65991930
Area
2.0952689946576E+14
Altitude
19050229.274921
Surface area
2.0952689946576E+14
Volume
1.2544185782547E+21
Height
10369631.379242