21998536 is an even 8-digits composite number following 21998535
and preceding 21998537 . In scientific notation, it is written as 2.1998536 × 10^7.
The sum of its digits is 43. It has a total of 5 prime factors and 16 positive divisors.
There are 9427920 positive integers (up to 21998536) that are relatively prime to 21998536.
21998536 has 16 divisors, whose sum is 47139840
The reverse of 21998536 is 63589912
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-one million nine hundred ninety-eight thousand five hundred thirty-six
Scientific notation
2.1998536 × 10^7
Engineering notation
2.1998536 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 392831
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5499634
Product of the distinct prime numbers
The prime factorization of 21998536 is 2 × 2 × 2 × 7 × 392831.
Since it has a total of 5 prime factors.
9 , 9 , 53 , 66 , 301 , 633 , 2955 , 3040 , 75713 , 98149 , 912958 , 82716 , 6596466 , 9619189 , 94336600 , 46462959 , 447432348 , 470707627 , 361111858 , 6554443775
n×2
43997072
n×3
65995608
n×4
87994144
n×5
109992680
n÷2
10999268
n÷3
7332845.3333333
n÷3
5499634
n÷5
4399707.2
n2
483935586143296
n3
1.0645874413454E+22
n4
2.3419365153586E+29
n5
5.151917474283E+36
2 √n
4690.2596943027
3 √n
280.19771749497
4 √n
68.485470680303
5 √n
29.408898326883
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 392831 , 785662 , 1571324 , 2749817 , 3142648 , 5499634 , 10999268 , 21998536
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
-21998535
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 21998536 can be divided by 16 positive divisors.
The sum of these divisors (counting 21998536) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011111010101111001000
3
Ternary
1112101122022121
4
Quaternary
1103322233020
5
Quinary
21112423121
6
Senary
2103301024
8
Octal
123725710
10
Decimal
21998536
12
Duodecimal
744a774
16
Hexadecimal
14fabc8
20
Vigesimal
6h9g6g
36
Base36
d3i6g
md5
8ec60a9ff238613ae955a7bcf00136d3
sha1
a59b4925f6d738201be3d0394cff946eac9c6730
sha256
1d7d179bd40182c6c5029b817790599dd60dcdb25dda3a8d07bf4b3dd9b95ab1
sha512
14701b783ce969c357d90af7061e7a88ed7291f83a7295abce8717e2f14344633e004307e74da1ea6f5f0869be0d13dd4323edc58685b8fb58d8593831c02497
ripemd-160
c2378fa5d9071223e42b7dc8a1752971fc7be9b0
Diameter
43997072
Circumference
138220878.17466
Area
1.5203284822384E+15
Volume
4.4593334464464E+22
Surface area
6.0813139289538E+15
Circumference
138220878.17466
Perimeter
87994144
Area
483935586143296
Diagonal
31110627.963553
Surface area
2903613516859776
Volume
1.0645874413454E+22
Space diagonal
38102582.044133
Perimeter
65995608
Area
2.095502556977E+14
Altitude
19051291.022067
Surface area
2.095502556977E+14
Volume
1.254628331569E+21
Height
10370209.321184