20991043 is an odd 8-digits prime number following 20991042
and preceding 20991044 . In scientific notation, it is written as 2.0991043 × 10^7.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 20991042 positive integers (up to 20991043) that are relatively prime to 20991043.
20991043 has 2 divisors, whose sum is 20991044
The reverse of 20991043 is 34019902
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million nine hundred ninety-one thousand forty-three
Scientific notation
2.0991043 × 10^7
Engineering notation
2.0991043 × 10^6
Prime Factorization
20991043
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20991043
Product of the distinct prime numbers
The prime factorization of 20991043 is 20991043.
Since it has a total of 1 prime factors.
4 , 3 , 10 , 75 , 798 , 800 , 4676 , 1398 , 10655 , 5394 , 338984 , 848145 , 5085723 , 6374440 , 69199677 , 5965068 , 720090955 , 394489906 , 2463108758 , 3879164595
n×2
41982086
n×3
62973129
n×4
83964172
n×5
104955215
n÷2
10495521.5
n÷3
6997014.3333333
n÷3
5247760.75
n÷5
4198208.6
n2
440623886227849
n3
9.2491549426359E+21
n4
1.9414940911453E+29
n5
4.0753985951477E+36
2 √n
4581.598301903
3 √n
275.85318716501
4 √n
67.687504769366
5 √n
29.134448642333
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20991044
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10495522
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4581.5984110352
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999047213
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20991043 can be divided by 2 positive divisors.
The sum of these divisors (counting 20991043) is 20991044, the average is 10495522.
Base
System
Value
2
Binary
1010000000100110001000011
3
Ternary
1110111110022001
4
Quaternary
1100010301003
5
Quinary
20333203133
6
Senary
2025524431
8
Octal
120046103
10
Decimal
20991043
12
Duodecimal
7043717
16
Hexadecimal
1404c43
20
Vigesimal
6b3hc3
36
Base36
chwsj
md5
155bcbdbe0edfdc2d0a2eed2f27fb84c
sha1
4b2b30a5784bc67a88932458e27c3bbcf10216ff
sha256
cdedfc29553ffb7b7581deffe949372c4ee8a4279a775285ce8b0556ec37f057
sha512
5d95ffd24fd049eec8739f0ebae02e52375ba851caee4c51efb4a11a999e74f827c2bf245cb249d0d6d44de689ee4da1f3b9f8cd0875fd309aa675f9bd99d8f1
ripemd-160
d41bb2793db9b720e842c2ae3eff53dd4bd2d5df
Diameter
41982086
Circumference
131890612.95997
Area
1.3842607639696E+15
Volume
3.8742769626265E+22
Surface area
5.5370430558784E+15
Circumference
131890612.95997
Perimeter
83964172
Area
440623886227849
Diagonal
29685817.698957
Surface area
2643743317367094
Volume
9.2491549426359E+21
Space diagonal
36357552.979863
Perimeter
62973129
Area
1.9079573949377E+14
Altitude
18178776.489932
Surface area
1.9079573949377E+14
Volume
1.0900233633638E+21
Height
9895272.5663189