20950489 is an odd 8-digits composite number following 20950488
and preceding 20950490 . In scientific notation, it is written as 2.0950489 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 17708544 positive integers (up to 20950489) that are relatively prime to 20950489.
20950489 has 12 divisors, whose sum is 24709044
The reverse of 20950489 is 98405902
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million nine hundred fifty thousand four hundred eighty-nine
Scientific notation
2.0950489 × 10^7
Engineering notation
2.0950489 × 10^6
Prime Factorization
7 × 7 × 73 × 5857
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2992927
Product of the distinct prime numbers
The prime factorization of 20950489 is 7 × 7 × 73 × 5857.
Since it has a total of 4 prime factors.
9 , 4 , 83 , 76 , 54 , 288 , 8553 , 74 , 11432 , 3201 , 942333 , 521727 , 1053755 , 5292288 , 32311668 , 34394739 , 613796508 , 686613321 , 3064638149 , 9122346623
n×2
41900978
n×3
62851467
n×4
83801956
n×5
104752445
n÷2
10475244.5
n÷3
6983496.3333333
n÷3
5237622.25
n÷5
4190097.8
n2
438922989339121
n3
9.1956512599964E+21
n4
1.9265339057039E+29
n5
4.0361827399577E+36
2 √n
4577.1704141314
3 √n
275.67542623198
4 √n
67.654788552854
5 √n
29.123182574688
1 , 7 , 49 , 73 , 511 , 3577 , 5857 , 40999 , 286993 , 427561 , 2992927 , 20950489
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20950488
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20950489 can be divided by 12 positive divisors.
The sum of these divisors (counting 20950489) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111111010110111011001
3
Ternary
1110102101200001
4
Quaternary
1033322313121
5
Quinary
20330403424
6
Senary
2025013001
8
Octal
117726731
10
Decimal
20950489
12
Duodecimal
7024161
16
Hexadecimal
13fadd9
20
Vigesimal
6aig49
36
Base36
ch1i1
md5
4366ce161fe847dd128c994d84b77fa7
sha1
54446219b6c71463df8845b40c627e57a5b2a56b
sha256
a11cb49c3ee18544749414d81edafa1a6503e44cc42a92351865af6b83192086
sha512
a87c2e44e0df66ee69bfe4c8433c8f1cc8d82c3193c1d37cfba2667d502bf9d7dfb6a4b773e67193e4039ff36e7bfef0a53733008f97f82523b76d28bc312a9f
ripemd-160
65043a0a009eeab18e09699d1da4b1364d887972
Diameter
41900978
Circumference
131635804.66303
Area
1.3789172387995E+15
Volume
3.8518653924504E+22
Surface area
5.5156689551978E+15
Circumference
131635804.66303
Perimeter
83801956
Area
438922989339121
Diagonal
29628465.682148
Surface area
2633537936034726
Volume
9.1956512599964E+21
Space diagonal
36287311.391413
Perimeter
62851467
Area
1.9005922953634E+14
Altitude
18143655.695706
Surface area
1.9005922953634E+14
Volume
1.083717893895E+21
Height
9876155.2273828