20990470 is an even 8-digits composite number following 20990469
and preceding 20990471 . In scientific notation, it is written as 2.0990470 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 8169120 positive integers (up to 20990470) that are relatively prime to 20990470.
20990470 has 8 divisors, whose sum is 31656456
The reverse of 20990470 is 07409902
Previous prime number is 185
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million nine hundred ninety thousand four hundred seventy
Scientific notation
2.0990470 × 10^7
Engineering notation
2.0990470 × 10^6
Prime Factorization
2 × 185 × 56731
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20990470
Product of the distinct prime numbers
The prime factorization of 20990470 is 2 × 185 × 56731.
Since it has a total of 3 prime factors.
2 , 10 , 54 , 61 , 199 , 19 , 1470 , 5395 , 41648 , 50588 , 658541 , 773394 , 4951531 , 1041655 , 77546996 , 1671182 , 630854506 , 506240431 , 7035006087 , 3848893972
n×2
41980940
n×3
62971410
n×4
83961880
n×5
104952350
n÷2
10495235
n÷3
6996823.3333333
n÷3
5247617.5
n÷5
4198094
n2
440599830820900
n3
9.2483975308512E+21
n4
1.9412821091941E+29
n5
4.0748423874575E+36
2 √n
4581.5357687134
3 √n
275.85067712117
4 √n
67.687042842138
5 √n
29.134289581905
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
-20990469
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 20990470 can be divided by 8 positive divisors.
The sum of these divisors (counting 20990470) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000100101000000110
3
Ternary
1110111102111211
4
Quaternary
1100010220012
5
Quinary
20333143340
6
Senary
2025522034
8
Octal
120045006
10
Decimal
20990470
12
Duodecimal
704331a
16
Hexadecimal
1404a06
20
Vigesimal
6b3g3a
36
Base36
chwcm
md5
f797b8658ba633f5ba150e98502e726e
sha1
c25e8c6f98b3946d9f0f2d2e643ee828365625bc
sha256
e106fa3d67174573113c295a7f03ec3091522573b6bf96b26cbeb30adb5190f2
sha512
29cac2f36b487220481c782948dd956e570260fdf310aabbf23e2de325d151618a9f887df2e38851787d9c9c3400b87b9240f21b0d16d318756f268d6dd62328
ripemd-160
09c1dd271f2920cebbac905e9a6d4428ed50de43
Diameter
41980940
Circumference
131887012.69479
Area
1.3841851916798E+15
Volume
3.87395969872E+22
Surface area
5.5367407667194E+15
Circumference
131887012.69479
Perimeter
83961880
Area
440599830820900
Diagonal
29685007.354586
Surface area
2643598984925400
Volume
9.2483975308512E+21
Space diagonal
36356560.51475
Perimeter
62971410
Area
1.9078532319701E+14
Altitude
18178280.257375
Surface area
1.9078532319701E+14
Volume
1.089934101529E+21
Height
9895002.4515285