20990517 is an odd 8-digits composite number following 20990516
and preceding 20990518 . In scientific notation, it is written as 2.0990517 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 13993676 positive integers (up to 20990517) that are relatively prime to 20990517.
20990517 has 4 divisors, whose sum is 27987360
The reverse of 20990517 is 71509902
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million nine hundred ninety thousand five hundred seventeen
Scientific notation
2.0990517 × 10^7
Engineering notation
2.0990517 × 10^6
Prime Factorization
3 × 6996839
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20990517
Product of the distinct prime numbers
The prime factorization of 20990517 is 3 × 6996839.
Since it has a total of 2 prime factors.
10 , 4 , 81 , 96 , 457 , 54 , 6937 , 2735 , 8322 , 56427 , 823039 , 761794 , 1159609 , 4432644 , 50760458 , 50755639 , 90980313 , 760652270 , 1487714657 , 2704517529
n×2
41981034
n×3
62971551
n×4
83962068
n×5
104952585
n÷2
10495258.5
n÷3
6996839
n÷3
5247629.25
n÷5
4198103.4
n2
440601803927289
n3
9.2484596555664E+21
n4
1.9412994962398E+29
n5
4.0748880077913E+36
2 √n
4581.5408979949
3 √n
275.85088300781
4 √n
67.687080731813
5 √n
29.134302628877
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
-20990516
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 20990517 can be divided by 4 positive divisors.
The sum of these divisors (counting 20990517) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000000100101000110101
3
Ternary
1110111102120120
4
Quaternary
1100010220311
5
Quinary
20333144032
6
Senary
2025522153
8
Octal
120045065
10
Decimal
20990517
12
Duodecimal
7043359
16
Hexadecimal
1404a35
20
Vigesimal
6b3g5h
36
Base36
chwdx
md5
03e266eb13f3ea97831d0ece0d888991
sha1
edafb0a2d2c5d16558bd707bd3ca1b1e4dbbf974
sha256
b461f43e47ef0192ef8652d5d16c06279c34ca104b2db9c3856c07a53763a861
sha512
65f9893356ae062ce69dca195687bdeeeefc0bf2fee870605020d6e9122b41833e776375e1522f032456a5f70105238283a1e036585f5dd5cf94eb2b8e156473
ripemd-160
9f3118173c3b357c74167080894f0335035b52a0
Diameter
41981034
Circumference
131887308.0045
Area
1.3841913903764E+15
Volume
3.8739857214599E+22
Surface area
5.5367655615055E+15
Circumference
131887308.0045
Perimeter
83962068
Area
440601803927289
Diagonal
29685073.822623
Surface area
2643610823563734
Volume
9.2484596555664E+21
Space diagonal
36356641.921138
Perimeter
62971551
Area
1.9078617757714E+14
Altitude
18178320.960569
Surface area
1.9078617757714E+14
Volume
1.0899414229969E+21
Height
9895024.607541