21998764 is an even 8-digits composite number following 21998763
and preceding 21998765 . In scientific notation, it is written as 2.1998764 × 10^7.
The sum of its digits is 46. It has a total of 5 prime factors and 24 positive divisors.
There are 10478160 positive integers (up to 21998764) that are relatively prime to 21998764.
21998764 has 24 divisors, whose sum is 40336128
The reverse of 21998764 is 46789912
Previous prime number is 491
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty-one million nine hundred ninety-eight thousand seven hundred sixty-four
Scientific notation
2.1998764 × 10^7
Engineering notation
2.1998764 × 10^6
Prime Factorization
2 × 2 × 23 × 491 × 487
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10999382
Product of the distinct prime numbers
The prime factorization of 21998764 is 2 × 2 × 23 × 491 × 487.
Since it has a total of 5 prime factors.
8 , 4 , 70 , 41 , 377 , 211 , 4660 , 7319 , 17120 , 90805 , 847868 , 900297 , 7632694 , 5368754 , 16938602 , 80496707 , 872316271 , 655235418 , 7505427809 , 5149444205
n×2
43997528
n×3
65996292
n×4
87995056
n×5
109993820
n÷2
10999382
n÷3
7332921.3333333
n÷3
5499691
n÷5
4399752.8
n2
483945617527696
n3
1.0646205428826E+22
n4
2.3420336072426E+29
n5
5.1521844605799E+36
2 √n
4690.2839999301
3 √n
280.19868551179
4 √n
68.485648131051
5 √n
29.408959287312
1 , 2 , 4 , 23 , 46 , 92 , 487 , 491 , 974 , 982 , 1948 , 1964 , 11201 , 11293 , 22402 , 22586 , 44804 , 45172 , 239117 , 478234 , 956468 , 5499691 , 10999382 , 21998764
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21998763
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21998764 can be divided by 24 positive divisors.
The sum of these divisors (counting 21998764) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010011111010110010101100
3
Ternary
1112101122122001
4
Quaternary
1103322302230
5
Quinary
21112430024
6
Senary
2103302044
8
Octal
123726254
10
Decimal
21998764
12
Duodecimal
744a924
16
Hexadecimal
14facac
20
Vigesimal
6h9gi4
36
Base36
d3ics
md5
73f7feedfe4c4f1c08df57e87edf7b12
sha1
8c153454cce05e32e8454068967ba54e4b198f99
sha256
290be4dc8d76324a971d673abe44e03b2e30513b2b0b934d84a776eb77650b4e
sha512
2c4e4dfa500174c61661c023ce37f1e2185cf1b0484f2109f3e8bba6d9dfda5370cd624d3fe6ce074215d0c40f75fa9276ab8569abd01e9cb19b60f35ec2e996
ripemd-160
fbc8a75015ee1134a715e02bdd9585b1eb06231c
Diameter
43997528
Circumference
138222310.74091
Area
1.520359996762E+15
Volume
4.459472101841E+22
Surface area
6.0814399870479E+15
Circumference
138222310.74091
Perimeter
87995056
Area
483945617527696
Diagonal
31110950.404245
Surface area
2903673705166176
Volume
1.0646205428826E+22
Space diagonal
38102976.951717
Perimeter
65996292
Area
2.0955459941457E+14
Altitude
19051488.475859
Surface area
2.0955459941457E+14
Volume
1.2546673421047E+21
Height
10370316.801415