20815093 is an odd 8-digits composite number following 20815092
and preceding 20815094 . In scientific notation, it is written as 2.0815093 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 19213920 positive integers (up to 20815093) that are relatively prime to 20815093.
20815093 has 4 divisors, whose sum is 22416268
The reverse of 20815093 is 39051802
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million eight hundred fifteen thousand ninety-three
Scientific notation
2.0815093 × 10^7
Engineering notation
2.0815093 × 10^6
Prime Factorization
13 × 1601161
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20815093
Product of the distinct prime numbers
The prime factorization of 20815093 is 13 × 1601161.
Since it has a total of 2 prime factors.
8 , 2 , 98 , 39 , 97 , 632 , 3802 , 8429 , 60734 , 31919 , 696969 , 833529 , 9681404 , 1191122 , 71623089 , 43841305 , 466059103 , 391726244 , 7775285530 , 8768278770
n×2
41630186
n×3
62445279
n×4
83260372
n×5
104075465
n÷2
10407546.5
n÷3
6938364.3333333
n÷3
5203773.25
n÷5
4163018.6
n2
433268096598649
n3
9.0185157246339E+21
n4
1.8772124353022E+29
n5
3.9074351421571E+36
2 √n
4562.3560799219
3 √n
275.08027628848
4 √n
67.545215077916
5 √n
29.085442210069
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
-20815092
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 20815093 can be divided by 4 positive divisors.
The sum of these divisors (counting 20815093) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111011001110011110101
3
Ternary
1110011111221101
4
Quaternary
1033121303311
5
Quinary
20312040333
6
Senary
2022050101
8
Octal
117316365
10
Decimal
20815093
12
Duodecimal
6b79931
16
Hexadecimal
13d9cf5
20
Vigesimal
6a1hed
36
Base36
ce511
md5
7b30cde37fd1d452b507ad520712e33b
sha1
61d46fa23ad6d2c8d9f641b3349a5bab882be2c5
sha256
672acf1c733a0616227ca142b60134680947077b4487c52a17abbf91eae5559d
sha512
6023b2278c94954784a18b7dbc7aaf483f323e1f8b67f8b7f2767bb615800a25c1bbc8a7bc7c1db5c1c096968e1b950ad361d29944b9ba98e9ac402ef83ad92a
ripemd-160
f540ad55b4edfed4a318320d53e98fa0c6f5d080
Diameter
41630186
Circumference
130785086.50518
Area
1.3611518693091E+15
Volume
3.7776670329058E+22
Surface area
5.4446074772366E+15
Circumference
130785086.50518
Perimeter
83260372
Area
433268096598649
Diagonal
29436986.822657
Surface area
2599608579591894
Volume
9.0185157246339E+21
Space diagonal
36052798.640271
Perimeter
62445279
Area
1.8761058915188E+14
Altitude
18026399.320136
Surface area
1.8761058915188E+14
Volume
1.0628422708544E+21
Height
9812328.9408858