20991874 is an even 8-digits composite number following 20991873
and preceding 20991875 . In scientific notation, it is written as 2.0991874 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 10399536 positive integers (up to 20991874) that are relatively prime to 20991874.
20991874 has 8 divisors, whose sum is 31777020
The reverse of 20991874 is 47819902
Previous prime number is 109
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million nine hundred ninety-one thousand eight hundred seventy-four
Scientific notation
2.0991874 × 10^7
Engineering notation
2.0991874 × 10^6
Prime Factorization
2 × 109 × 96293
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20991874
Product of the distinct prime numbers
The prime factorization of 20991874 is 2 × 109 × 96293.
Since it has a total of 3 prime factors.
5 , 3 , 85 , 40 , 459 , 597 , 6332 , 347 , 46863 , 28136 , 895091 , 868776 , 1108685 , 2062901 , 33192735 , 21431728 , 465646830 , 567890896 , 2603606433 , 5672594600
n×2
41983748
n×3
62975622
n×4
83967496
n×5
104959370
n÷2
10495937
n÷3
6997291.3333333
n÷3
5247968.5
n÷5
4198374.8
n2
440658774031876
n3
9.2502534614716E+21
n4
1.9418015513128E+29
n5
4.0762053498162E+36
2 √n
4581.6889898814
3 √n
275.8568273045
4 √n
67.688174667968
5 √n
29.13467931542
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20991873
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20991874 can be divided by 8 positive divisors.
The sum of these divisors (counting 20991874) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000100111110000010
3
Ternary
1110111111102211
4
Quaternary
1100010332002
5
Quinary
20333214444
6
Senary
2025532334
8
Octal
120047602
10
Decimal
20991874
12
Duodecimal
70440aa
16
Hexadecimal
1404f82
20
Vigesimal
6b3jde
36
Base36
chxfm
md5
5aa60232a759d5d9e98fe5745039b335
sha1
ca4c25447cc30b2c9b9117a791f3c96d54e54a9b
sha256
e00b518e02def19910d7561e2231b2816aa67c81412845813173be42c9f7c226
sha512
458ca76dcb92ac323aa75cef6207c0ab011d20e5b575766a86e8f17fb47d5378502ec873112dff969d1b4c17302671498b137969253d710a5dbf2779a9493e83
ripemd-160
abcf01c5b545872ed3ade4e3b7d418e36792d14e
Diameter
41983748
Circumference
131895834.28697
Area
1.3843703672384E+15
Volume
3.8747371091204E+22
Surface area
5.5374814689537E+15
Circumference
131895834.28697
Perimeter
83967496
Area
440658774031876
Diagonal
29686992.910427
Surface area
2643952644191256
Volume
9.2502534614716E+21
Space diagonal
36358992.314084
Perimeter
62975622
Area
1.9081084635606E+14
Altitude
18179496.157042
Surface area
1.9081084635606E+14
Volume
1.0901528250502E+21
Height
9895664.3034757