21898973 is an odd 8-digits composite number following 21898972
and preceding 21898974 . In scientific notation, it is written as 2.1898973 × 10^7.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 21143808 positive integers (up to 21898973) that are relatively prime to 21898973.
21898973 has 4 divisors, whose sum is 22654140
The reverse of 21898973 is 37989812
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty-one million eight hundred ninety-eight thousand nine hundred seventy-three
Scientific notation
2.1898973 × 10^7
Engineering notation
2.1898973 × 10^6
Prime Factorization
29 × 755137
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21898973
Product of the distinct prime numbers
The prime factorization of 21898973 is 29 × 755137.
Since it has a total of 2 prime factors.
4 , 7 , 97 , 28 , 906 , 942 , 9980 , 9140 , 41198 , 91640 , 149963 , 258670 , 9071527 , 9488548 , 51001851 , 95015099 , 225571245 , 183308257 , 1195555183 , 7224172486
n×2
43797946
n×3
65696919
n×4
87595892
n×5
109494865
n÷2
10949486.5
n÷3
7299657.6666667
n÷3
5474743.25
n÷5
4379794.6
n2
479565018454729
n3
1.0501981390885E+22
n4
2.2998260692548E+29
n5
5.0363828995308E+36
2 √n
4679.6338531983
3 √n
279.77436328856
4 √n
68.407849353699
5 √n
29.382229703314
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21898972
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21898973 can be divided by 4 positive divisors.
The sum of these divisors (counting 21898973) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010011100010011011011101
3
Ternary
1112012120202002
4
Quaternary
1103202123131
5
Quinary
21101231343
6
Senary
2101212045
8
Octal
123423335
10
Decimal
21898973
12
Duodecimal
7401025
16
Hexadecimal
14e26dd
20
Vigesimal
6gh78d
36
Base36
d1dct
md5
dacf9da95b7638601a9b9b7f1316f259
sha1
a417eb2847664f02b2416bd370272a4062dc6c5c
sha256
58ef936f10e071670e3a9dab295a70536105a54ef17b362b4b0703bb5dd3de5f
sha512
c6204dc43a24cb6dae4ba7e64616a0b722d0272e44d30ae786f13f335f7ac8964cd5591a0eed655521f24121795796598d1dc7607d677d40bba4155ce694f868
ripemd-160
708bc1a6efca4fc7ae00d2283c5f59e9700d4fa4
Diameter
43797946
Circumference
137595305.39592
Area
1.506597938896E+15
Volume
4.3990596780986E+22
Surface area
6.0263917555841E+15
Circumference
137595305.39592
Perimeter
87595892
Area
479565018454729
Diagonal
30969824.618642
Surface area
2877390110728374
Volume
1.0501981390885E+22
Space diagonal
37930133.869579
Perimeter
65696919
Area
2.0765774437407E+14
Altitude
18965066.93479
Surface area
2.0765774437407E+14
Volume
1.2376703762316E+21
Height
10323274.872881