21898955 is an odd 8-digits composite number following 21898954
and preceding 21898956 . In scientific notation, it is written as 2.1898955 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 16080768 positive integers (up to 21898955) that are relatively prime to 21898955.
21898955 has 16 divisors, whose sum is 28459200
The reverse of 21898955 is 55989812
Previous prime number is 199
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 fifty-five
Scientific notation
2.1898955 × 10^7
Engineering notation
2.1898955 × 10^6
Prime Factorization
5 × 13 × 199 × 1693
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21898955
Product of the distinct prime numbers
The prime factorization of 21898955 is 5 × 13 × 199 × 1693.
Since it has a total of 4 prime factors.
10 , 10 , 37 , 19 , 33 , 842 , 6420 , 6608 , 12023 , 21564 , 130848 , 586009 , 9098531 , 799675 , 69474912 , 27035202 , 515595895 , 423851482 , 1169306250 , 6482010062
n×2
43797910
n×3
65696865
n×4
87595820
n×5
109494775
n÷2
10949477.5
n÷3
7299651.6666667
n÷3
5474738.75
n÷5
4379791
n2
479564230092025
n3
1.0501955494395E+22
n4
2.2998185078376E+29
n5
5.0363622011302E+36
2 √n
4679.6319299706
3 √n
279.77428663444
4 √n
68.407835296628
5 √n
29.38222487313
1 , 5 , 13 , 65 , 199 , 995 , 1693 , 2587 , 8465 , 12935 , 22009 , 110045 , 336907 , 1684535 , 4379791 , 21898955
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
-21898954
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 21898955 can be divided by 16 positive divisors.
The sum of these divisors (counting 21898955) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011100010011011001011
3
Ternary
1112012120201102
4
Quaternary
1103202123023
5
Quinary
21101231310
6
Senary
2101212015
8
Octal
123423313
10
Decimal
21898955
12
Duodecimal
740100b
16
Hexadecimal
14e26cb
20
Vigesimal
6gh77f
36
Base36
d1dcb
md5
efc9cf365f00466fe733f3f0fea527e9
sha1
490219245bd045f04c05626fc9dac70683ad0917
sha256
5cb6d74c51467c9fbe4ee50a1800793c5622ec9219c2e6aea632bc57029919c3
sha512
649ee3ff276456715771dae62c64ec63db7ae7463ac5fee31da83590a13468ee4eaff3ef2d372f1eabbb1bd6884a950a6d1557825ec4996619175a08932bf952
ripemd-160
7a110ad29e5af4055e03c1962fb00f3643f64e24
Diameter
43797910
Circumference
137595192.29859
Area
1.5065954621816E+15
Volume
4.3990488306024E+22
Surface area
6.0263818487262E+15
Circumference
137595192.29859
Perimeter
87595820
Area
479564230092025
Diagonal
30969799.162798
Surface area
2877385380552150
Volume
1.0501955494395E+22
Space diagonal
37930102.692665
Perimeter
65696865
Area
2.0765740300301E+14
Altitude
18965051.346332
Surface area
2.0765740300301E+14
Volume
1.237667324301E+21
Height
10323266.387599