20990542 is an even 8-digits composite number following 20990541
and preceding 20990543 . In scientific notation, it is written as 2.0990542 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 10488192 positive integers (up to 20990542) that are relatively prime to 20990542.
20990542 has 8 divisors, whose sum is 31507056
The reverse of 20990542 is 24509902
Previous prime number is 2113
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million nine hundred ninety thousand five hundred forty-two
Scientific notation
2.0990542 × 10^7
Engineering notation
2.0990542 × 10^6
Prime Factorization
2 × 2113 × 4967
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20990542
Product of the distinct prime numbers
The prime factorization of 20990542 is 2 × 2113 × 4967.
Since it has a total of 3 prime factors.
8 , 5 , 77 , 56 , 82 , 99 , 7733 , 6378 , 87578 , 62482 , 767967 , 674591 , 5534663 , 9495298 , 24350840 , 75438809 , 206324957 , 492446901 , 416079054 , 8138275036
n×2
41981084
n×3
62971626
n×4
83962168
n×5
104952710
n÷2
10495271
n÷3
6996847.3333333
n÷3
5247635.5
n÷5
4198108.4
n2
440602853453764
n3
9.2484927007411E+21
n4
1.941308744716E+29
n5
4.0749122740928E+36
2 √n
4581.5436263338
3 √n
275.85099252186
4 √n
67.687100885869
5 √n
29.134309568747
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
-20990541
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 20990542 can be divided by 8 positive divisors.
The sum of these divisors (counting 20990542) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000100101001001110
3
Ternary
1110111102121111
4
Quaternary
1100010221032
5
Quinary
20333144132
6
Senary
2025522234
8
Octal
120045116
10
Decimal
20990542
12
Duodecimal
704337a
16
Hexadecimal
1404a4e
20
Vigesimal
6b3g72
36
Base36
chwem
md5
8ae8e8547201765e3d9dedfaaf5690b1
sha1
e28a01846f1d5342a119b60619cced4e80d4c38a
sha256
aadb1818486a27de39d3c557fc01386b1f1a31f8c945d09d1042eb12e8cb2965
sha512
4a7ca01d9a6dc869a59c6e8be3893889e8b423d188ef839e764f31c9f52361287f39793e9403523d8371b05db082ef92818f7251dbb55fef00cc6bc02b76fc4e
ripemd-160
72130b03202f29670cd3a7dd816488b67415f785
Diameter
41981084
Circumference
131887465.08414
Area
1.384194687561E+15
Volume
3.8739995633903E+22
Surface area
5.5367787502442E+15
Circumference
131887465.08414
Perimeter
83962168
Area
440602853453764
Diagonal
29685109.177962
Surface area
2643617120722584
Volume
9.2484927007411E+21
Space diagonal
36356685.222408
Perimeter
62971626
Area
1.9078663203544E+14
Altitude
18178342.611204
Surface area
1.9078663203544E+14
Volume
1.0899453174081E+21
Height
9895036.392654