21902488 is an even 8-digits composite number following 21902487
and preceding 21902489 . In scientific notation, it is written as 2.1902488 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 16 positive divisors.
There are 10915008 positive integers (up to 21902488) that are relatively prime to 21902488.
21902488 has 16 divisors, whose sum is 41203080
The reverse of 21902488 is 88420912
Previous prime number is 313
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million nine hundred two thousand four hundred eighty-eight
Scientific notation
2.1902488 × 10^7
Engineering notation
2.1902488 × 10^6
Prime Factorization
2 × 2 × 2 × 313 × 8747
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5475622
Product of the distinct prime numbers
The prime factorization of 21902488 is 2 × 2 × 2 × 313 × 8747.
Since it has a total of 5 prime factors.
10 , 5 , 75 , 44 , 9 , 776 , 687 , 4684 , 64736 , 22806 , 370118 , 788769 , 9840851 , 4271182 , 56091470 , 43126584 , 905623470 , 388119086 , 8334740748 , 3776760877
n×2
43804976
n×3
65707464
n×4
87609952
n×5
109512440
n÷2
10951244
n÷3
7300829.3333333
n÷3
5475622
n÷5
4380497.6
n2
479718980590144
n3
1.0507039215748E+22
n4
2.3013030033845E+29
n5
5.0404261415992E+36
2 √n
4680.0094017
3 √n
279.78933133107
4 √n
68.410594221217
5 √n
29.383172869984
1 , 2 , 4 , 8 , 313 , 626 , 1252 , 2504 , 8747 , 17494 , 34988 , 69976 , 2737811 , 5475622 , 10951244 , 21902488
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
-21902487
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 21902488 can be divided by 16 positive divisors.
The sum of these divisors (counting 21902488) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011100011010010011000
3
Ternary
1112012202120021
4
Quaternary
1103203102120
5
Quinary
21101334423
6
Senary
2101240224
8
Octal
123432230
10
Decimal
21902488
12
Duodecimal
7403074
16
Hexadecimal
14e3498
20
Vigesimal
6ghg48
36
Base36
d1g2g
md5
c24711a6a00abe76773754be35544b84
sha1
ddba13afe9831b3e82ccdbb04a6c48656ab802f7
sha256
5d70c01105c1ac9a074d1c1ab1fc4ef693df587ee24bfd34a450ef18dd0d96bd
sha512
71fda83c6023f99d58fdbcee102ce517332b5704b75d0caf431f89abb45b31eefc0e8293e01d85084f48a9554d07dbe8d0cad62eec8975bf824a7902dae064ce
ripemd-160
62c54d1ef5eefa990435159c3ba8807a972e2fbe
Diameter
43804976
Circumference
137617390.79228
Area
1.5070816252096E+15
Volume
4.4011782948231E+22
Surface area
6.0283265008383E+15
Circumference
137617390.79228
Perimeter
87609952
Area
479718980590144
Diagonal
30974795.579314
Surface area
2878313883540864
Volume
1.0507039215748E+22
Space diagonal
37936222.028168
Perimeter
65707464
Area
2.0772441193432E+14
Altitude
18968111.014084
Surface area
2.0772441193432E+14
Volume
1.238266446608E+21
Height
10324931.859771