20998423 is an odd 8-digits composite number following 20998422
and preceding 20998424 . In scientific notation, it is written as 2.0998423 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 20969928 positive integers (up to 20998423) that are relatively prime to 20998423.
20998423 has 4 divisors, whose sum is 21026920
The reverse of 20998423 is 32489902
Previous prime number is 757
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million nine hundred ninety-eight thousand four hundred twenty-three
Scientific notation
2.0998423 × 10^7
Engineering notation
2.0998423 × 10^6
Prime Factorization
757 × 27739
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20998423
Product of the distinct prime numbers
The prime factorization of 20998423 is 757 × 27739.
Since it has a total of 2 prime factors.
6 , 7 , 16 , 4 , 360 , 272 , 7480 , 632 , 46874 , 12257 , 823155 , 575954 , 9762242 , 5131122 , 9938141 , 43896772 , 731568332 , 324966782 , 7149110388 , 570261668
n×2
41996846
n×3
62995269
n×4
83993692
n×5
104992115
n÷2
10499211.5
n÷3
6999474.3333333
n÷3
5249605.75
n÷5
4199684.6
n2
440933768486929
n3
9.2589137856726E+21
n4
1.9442258819208E+29
n5
4.0825677476122E+36
2 √n
4582.403626919
3 √n
275.8855113963
4 √n
67.693453353474
5 √n
29.136496963608
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
-20998422
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 20998423 can be divided by 4 positive divisors.
The sum of these divisors (counting 20998423) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000000110100100010111
3
Ternary
1110111211102101
4
Quaternary
1100012210113
5
Quinary
20333422143
6
Senary
2030022531
8
Octal
120064427
10
Decimal
20998423
12
Duodecimal
7047a47
16
Hexadecimal
1406917
20
Vigesimal
6b4g13
36
Base36
ci2hj
md5
4b1ee72defe616ba82303dbabe5ae543
sha1
e27959c7986954c6970482a4c3d51e2973cf581d
sha256
a0514b72cc533d53fb31b2b18be54c59e575c1141cb88dc30522480384c28316
sha512
1fcda2f308833f008e92207c7c35c549cdc118dd0b3943df36f2e12139de7092a5ebb012eba5bc37f5e5ee39058ceeb5546e9eaa02be9c3fd17829968d8e29b4
ripemd-160
cf7d8c281126577871d1ad68a8b1fc6324a40aae
Diameter
41996846
Circumference
131936982.86754
Area
1.3852342877982E+15
Volume
3.8783647372387E+22
Surface area
5.5409371511928E+15
Circumference
131936982.86754
Perimeter
83993692
Area
440933768486929
Diagonal
29696254.595047
Surface area
2645602610921574
Volume
9.2589137856726E+21
Space diagonal
36370335.514823
Perimeter
62995269
Area
1.9092992244804E+14
Altitude
18185167.757411
Surface area
1.9092992244804E+14
Volume
1.0911734540451E+21
Height
9898751.5316824