20998968 is an even 8-digits composite number following 20998967
and preceding 20998969 . In scientific notation, it is written as 2.0998968 × 10^7.
The sum of its digits is 51. It has a total of 5 prime factors and 16 positive divisors.
There are 6999648 positive integers (up to 20998968) that are relatively prime to 20998968.
20998968 has 16 divisors, whose sum is 52497480
The reverse of 20998968 is 86989902
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
twenty million nine hundred ninety-eight thousand nine hundred sixty-eight
Scientific notation
2.0998968 × 10^7
Engineering notation
2.0998968 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 874957
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5249742
Product of the distinct prime numbers
The prime factorization of 20998968 is 2 × 2 × 2 × 3 × 874957.
Since it has a total of 5 prime factors.
10 , 6 , 38 , 90 , 123 , 962 , 5368 , 9746 , 99542 , 20667 , 553806 , 878148 , 1263830 , 1129563 , 83553417 , 68111553 , 28401299 , 428795097 , 8735815311 , 7702087120
n×2
41997936
n×3
62996904
n×4
83995872
n×5
104994840
n÷2
10499484
n÷3
6999656
n÷3
5249742
n÷5
4199793.6
n2
440956657065024
n3
9.2596347310954E+21
n4
1.9444277340996E+29
n5
4.083097576667E+36
2 √n
4582.4630931411
3 √n
275.88789818352
4 √n
67.693892583756
5 √n
29.13664820569
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 874957 , 1749914 , 2624871 , 3499828 , 5249742 , 6999656 , 10499484 , 20998968
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
-20998967
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 20998968 can be divided by 16 positive divisors.
The sum of these divisors (counting 20998968) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000110101100111000
3
Ternary
1110111212011120
4
Quaternary
1100012230320
5
Quinary
20333431333
6
Senary
2030025240
8
Octal
120065470
10
Decimal
20998968
12
Duodecimal
7048220
16
Hexadecimal
1406b38
20
Vigesimal
6b4h88
36
Base36
ci2wo
md5
a0222cd01fa5f7cfc85f9580c8196847
sha1
5c4b1c5af06afbffa0de653e8f02acb1dca67312
sha256
5588d59f96e06bac9b31e82d4dea9d5235dd2af1912939d783229a3c25349691
sha512
7d96c62ab2469dcb42e25d254e294d8cc1bece0c20ed4f12e5d4be5119edc836612267bfc369b806dd4b29ffd039990e7570f6b5cafe0aa0c16db70919ed223f
ripemd-160
153fe94e3660d9e04cc2ed83d5e92619cf6f2823
Diameter
41997936
Circumference
131940407.20353
Area
1.385306194387E+15
Volume
3.8786667261512E+22
Surface area
5.541224777548E+15
Circumference
131940407.20353
Perimeter
83995872
Area
440956657065024
Diagonal
29697025.341439
Surface area
2645739942390144
Volume
9.2596347310954E+21
Space diagonal
36371279.482513
Perimeter
62996904
Area
1.9093983349309E+14
Altitude
18185639.741257
Surface area
1.9093983349309E+14
Volume
1.091258418278E+21
Height
9899008.4471462