20921698 is an even 8-digits composite number following 20921697
and preceding 20921699 . In scientific notation, it is written as 2.0921698 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 8494416 positive integers (up to 20921698) that are relatively prime to 20921698.
20921698 has 16 divisors, whose sum is 37753920
The reverse of 20921698 is 89612902
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million nine hundred twenty-one thousand six hundred ninety-eight
Scientific notation
2.0921698 × 10^7
Engineering notation
2.0921698 × 10^6
Prime Factorization
2 × 7 × 19 × 78653
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20921698
Product of the distinct prime numbers
The prime factorization of 20921698 is 2 × 7 × 19 × 78653.
Since it has a total of 4 prime factors.
2 , 10 , 48 , 50 , 77 , 319 , 2022 , 4205 , 16860 , 5645 , 576905 , 798771 , 8628718 , 9476556 , 54115116 , 65816008 , 458166728 , 514628590 , 3266584323 , 1692953960
n×2
41843396
n×3
62765094
n×4
83686792
n×5
104608490
n÷2
10460849
n÷3
6973899.3333333
n÷3
5230424.5
n÷5
4184339.6
n2
437717447203204
n3
9.1577922397164E+21
n4
1.9159656358609E+29
n5
4.008525441186E+36
2 √n
4574.0242675351
3 √n
275.54908694155
4 √n
67.631533085796
5 √n
29.11517372256
1 , 2 , 7 , 14 , 19 , 38 , 133 , 266 , 78653 , 157306 , 550571 , 1101142 , 1494407 , 2988814 , 10460849 , 20921698
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
-20921697
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 20921698 can be divided by 16 positive divisors.
The sum of these divisors (counting 20921698) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111110011110101100010
3
Ternary
1110100221011201
4
Quaternary
1033303311202
5
Quinary
20323443243
6
Senary
2024231414
8
Octal
117636542
10
Decimal
20921698
12
Duodecimal
700b56a
16
Hexadecimal
13f3d62
20
Vigesimal
6af44i
36
Base36
cgfaa
md5
bba3bcb187cda5971cde96d224379178
sha1
56c8805c6f4d67e113bdf4e85e0f0e549fffcfd5
sha256
4c3e89ba47c01f40dc98486c1ed51628cb3370c911582a519b7c8fb7db57ebb7
sha512
97e2fd54b626bb2d6cf5c210a4591ffa4ca11a44bce0421d3257e1b5080975d990e5e9a8ae462886089df202a1c1eab1cfeb3b57d257f0dfad03d6359d7e34a4
ripemd-160
ac7db1ac7beae4909f28f95226bc9f38288f26eb
Diameter
41843396
Circumference
131454905.47485
Area
1.3751299164817E+15
Volume
3.8360070431193E+22
Surface area
5.5005196659267E+15
Circumference
131454905.47485
Perimeter
83686792
Area
437717447203204
Diagonal
29587749.059474
Surface area
2626304683219224
Volume
9.1577922397164E+21
Space diagonal
36237443.916612
Perimeter
62765094
Area
1.8953721447882E+14
Altitude
18118721.958306
Surface area
1.8953721447882E+14
Volume
1.0792561655668E+21
Height
9862583.0198247