20181022 is an even 8-digits composite number following 20181021
and preceding 20181023 . In scientific notation, it is written as 2.0181022 × 10^7.
The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors.
There are 9900072 positive integers (up to 20181022) that are relatively prime to 20181022.
20181022 has 8 divisors, whose sum is 30842856
The reverse of 20181022 is 22018102
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty million one hundred eighty-one thousand twenty-two
Scientific notation
2.0181022 × 10^7
Engineering notation
2.0181022 × 10^6
Prime Factorization
2 × 53 × 190387
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20181022
Product of the distinct prime numbers
The prime factorization of 20181022 is 2 × 53 × 190387.
Since it has a total of 3 prime factors.
4 , 9 , 38 , 3 , 223 , 137 , 275 , 8038 , 8171 , 8850 , 101265 , 41151 , 7302982 , 8468056 , 97552595 , 13500186 , 288309105 , 46017152 , 2701585537 , 3978867038
n×2
40362044
n×3
60543066
n×4
80724088
n×5
100905110
n÷2
10090511
n÷3
6727007.3333333
n÷3
5045255.5
n÷5
4036204.4
n2
407273648964484
n3
8.2191984697725E+21
n4
1.6587182514085E+29
n5
3.3474629523476E+36
2 √n
4492.3292399378
3 √n
272.25825205617
4 √n
67.02484046932
5 √n
28.906042119982
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
-20181021
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 20181022 can be divided by 8 positive divisors.
The sum of these divisors (counting 20181022) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111111000000011110
3
Ternary
1101222022011021
4
Quaternary
1030333000132
5
Quinary
20131243042
6
Senary
2000314354
8
Octal
114770036
10
Decimal
20181022
12
Duodecimal
69129ba
16
Hexadecimal
133f01e
20
Vigesimal
662cb2
36
Base36
c0jry
md5
afd3cb74ec0ed3c34c4b0e2c1db45956
sha1
471015245ab2744d6156411d5d92cffba996ad2d
sha256
e2c0a7a90dcd9e2b699a283b6c2f559b34f3c6622c69156553ac88fc757fa720
sha512
a27ed72f9bd02aad57b0efa8ce811332f8aac30aa68ca9719ca5af4f7edf1ba4e881252d10f620b0537fa3fe4acb3a9e89cd7f09aa681ac0539df15a6395cb38
ripemd-160
2519f745b9c693567eaf0baf5d96eb3e6c0b079a
Diameter
40362044
Circumference
126801100.91427
Area
1.2794879035875E+15
Volume
3.4428498041378E+22
Surface area
5.1179516143501E+15
Circumference
126801100.91427
Perimeter
80724088
Area
407273648964484
Diagonal
28540275.01495
Surface area
2443641893786904
Volume
8.2191984697725E+21
Space diagonal
34954555.452665
Perimeter
60543066
Area
1.7635466314761E+14
Altitude
17477277.726333
Surface area
1.7635466314761E+14
Volume
9.6864182898238E+20
Height
9513425.0049833