20797947 is an odd 8-digits composite number following 20797946
and preceding 20797948 . In scientific notation, it is written as 2.0797947 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 13403520 positive integers (up to 20797947) that are relatively prime to 20797947.
20797947 has 24 divisors, whose sum is 31056480
The reverse of 20797947 is 74979702
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty million seven hundred ninety-seven thousand nine hundred forty-seven
Scientific notation
2.0797947 × 10^7
Engineering notation
2.0797947 × 10^6
Prime Factorization
3 × 3 × 157 × 41 × 359
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6932649
Product of the distinct prime numbers
The prime factorization of 20797947 is 3 × 3 × 157 × 41 × 359.
Since it has a total of 5 prime factors.
10 , 10 , 71 , 50 , 7 , 618 , 9425 , 7677 , 49387 , 15516 , 466321 , 952658 , 3465382 , 9877773 , 65823299 , 23706756 , 591225399 , 172358709 , 2490512235 , 4971505394
n×2
41595894
n×3
62393841
n×4
83191788
n×5
103989735
n÷2
10398973.5
n÷3
6932649
n÷3
5199486.75
n÷5
4159589.4
n2
432554599414809
n3
8.9962476332354E+21
n4
1.8710348147491E+29
n5
3.8913682912306E+36
2 √n
4560.4766198282
3 √n
275.00472498769
4 √n
67.53130103758
5 √n
29.080648924826
1 , 3 , 9 , 41 , 123 , 157 , 359 , 369 , 471 , 1077 , 1413 , 3231 , 6437 , 14719 , 19311 , 44157 , 56363 , 57933 , 132471 , 169089 , 507267 , 2310883 , 6932649 , 20797947
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20797946
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20797947 can be divided by 24 positive divisors.
The sum of these divisors (counting 20797947) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111010101100111111011
3
Ternary
1110010122102100
4
Quaternary
1033111213323
5
Quinary
20311013242
6
Senary
2021434443
8
Octal
117254773
10
Decimal
20797947
12
Duodecimal
6b6ba23
16
Hexadecimal
13d59fb
20
Vigesimal
69jeh7
36
Base36
cdrsr
md5
e3510adf1b415d1e48425aaef7465b7b
sha1
0679689e6e1ed79345533c894bcb9004e111a76c
sha256
d061735f79edfdd94e364cb5cb39bdbd01e124ff655f11d2738e20d9dbc5b550
sha512
6ee87267e6dda9d0949441e1003b13218b4a84c031978bc112b2b1ad4075243e0312a856656b9be6ddd28f1a97a0c18dd8326dfe3ee2d908dda706e986586620
ripemd-160
86c1fe20afdb0ce8d8200d613ae4881e46624108
Diameter
41595894
Circumference
130677355.0099
Area
1.358910351798E+15
Volume
3.7683393965929E+22
Surface area
5.4356414071922E+15
Circumference
130677355.0099
Perimeter
83191788
Area
432554599414809
Diagonal
29412738.716917
Surface area
2595327596488854
Volume
8.9962476332354E+21
Space diagonal
36023100.897125
Perimeter
62393841
Area
1.8730163580851E+14
Altitude
18011550.448562
Surface area
1.8730163580851E+14
Volume
1.0602179511157E+21
Height
9804246.2389723