20798857 is an odd 8-digits composite number following 20798856
and preceding 20798858 . In scientific notation, it is written as 2.0798857 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 20446276 positive integers (up to 20798857) that are relatively prime to 20798857.
20798857 has 4 divisors, whose sum is 21151440
The reverse of 20798857 is 75889702
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty million seven hundred ninety-eight thousand eight hundred fifty-seven
Scientific notation
2.0798857 × 10^7
Engineering notation
2.0798857 × 10^6
Prime Factorization
59 × 352523
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20798857
Product of the distinct prime numbers
The prime factorization of 20798857 is 59 × 352523.
Since it has a total of 2 prime factors.
4 , 7 , 2 , 89 , 723 , 667 , 9807 , 1708 , 44032 , 19435 , 674702 , 440785 , 8905258 , 9070765 , 454831 , 8466909 , 544160537 , 215056198 , 248485655 , 6065379674
n×2
41597714
n×3
62396571
n×4
83195428
n×5
103994285
n÷2
10399428.5
n÷3
6932952.3333333
n÷3
5199714.25
n÷5
4159771.4
n2
432592452506449
n3
8.9974285589609E+21
n4
1.8713622996554E+29
n5
3.8922196865725E+36
2 √n
4560.5763890105
3 √n
275.00873581064
4 √n
67.532039721976
5 √n
29.080903401168
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
-20798856
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 20798857 can be divided by 4 positive divisors.
The sum of these divisors (counting 20798857) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010101110110001001
3
Ternary
1110010200200001
4
Quaternary
1033111312021
5
Quinary
20311030412
6
Senary
2021443001
8
Octal
117256611
10
Decimal
20798857
12
Duodecimal
6b70461
16
Hexadecimal
13d5d89
20
Vigesimal
69jh2h
36
Base36
cdsi1
md5
cc869352b9ca42ea9d125b044cf7b92c
sha1
91a086a66395df118d08b623ca50aac295d6c191
sha256
0ebb329b5788c929ec13ada07f1d859104791913199a15908bd85b9310770902
sha512
8a5a9aac70093c06ca6429533812d97b905427cb26c9002c600827215b4b7896f3f44f3643cd51e090ed70397f399639ba1108a3f4bceeff72977f057051c534
ripemd-160
6c9418275e1516b3ea0173e9dde82f089d702532
Diameter
41597714
Circumference
130683072.70853
Area
1.3590292707927E+15
Volume
3.7688340616041E+22
Surface area
5.4361170831706E+15
Circumference
130683072.70853
Perimeter
83195428
Area
432592452506449
Diagonal
29414025.651259
Surface area
2595554715038694
Volume
8.9974285589609E+21
Space diagonal
36024677.06336
Perimeter
62396571
Area
1.87318026678E+14
Altitude
18012338.53168
Surface area
1.87318026678E+14
Volume
1.0603571245471E+21
Height
9804675.2170862