20849649 is an odd 8-digits composite number following 20849648
and preceding 20849650 . In scientific notation, it is written as 2.0849649 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 13883760 positive integers (up to 20849649) that are relatively prime to 20849649.
20849649 has 8 divisors, whose sum is 27831552
The reverse of 20849649 is 94694802
Previous prime number is 991
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million eight hundred forty-nine thousand six hundred forty-nine
Scientific notation
2.0849649 × 10^7
Engineering notation
2.0849649 × 10^6
Prime Factorization
3 × 991 × 7013
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20849649
Product of the distinct prime numbers
The prime factorization of 20849649 is 3 × 991 × 7013.
Since it has a total of 3 prime factors.
6 , 1 , 99 , 40 , 828 , 358 , 4375 , 849 , 18444 , 4732 , 159081 , 58384 , 3299311 , 6772445 , 955583 , 87988919 , 714310902 , 760656825 , 9623731454 , 2286203402
n×2
41699298
n×3
62548947
n×4
83398596
n×5
104248245
n÷2
10424824.5
n÷3
6949883
n÷3
5212412.25
n÷5
4169929.8
n2
434707863423201
n3
9.0635063699137E+21
n4
1.8897092652196E+29
n5
3.9399774891877E+36
2 √n
4566.1415878179
3 √n
275.23241619035
4 √n
67.57323129626
5 √n
29.09509299354
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
-20849648
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 20849649 can be divided by 8 positive divisors.
The sum of these divisors (counting 20849649) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111100010001111110001
3
Ternary
1110020021100020
4
Quaternary
1033202033301
5
Quinary
20314142044
6
Senary
2022514053
8
Octal
117421761
10
Decimal
20849649
12
Duodecimal
6b95929
16
Hexadecimal
13e23f1
20
Vigesimal
6a6429
36
Base36
cevox
md5
d54361a73b794522eba68daa55a68328
sha1
184c449d4c535fbea6883ed92d3b752d01f28093
sha256
5379085533687c7d175aedd3f22cf30fc747e6ba5d53b19e5bb4b162a8cda1fc
sha512
3402e1ac6c2bd31d6eb65b38ce89935d7ec73689a4de1446e9d752500e4b85757001ebe8e5e7d5b86e6aba2496a83a2f45e971d08463af39f319946c55d83680
ripemd-160
f25fa9e39021716a1b41b5441a11ecf1819db9a6
Diameter
41699298
Circumference
131002208.25665
Area
1.365675030188E+15
Volume
3.7965126703313E+22
Surface area
5.4627001207522E+15
Circumference
131002208.25665
Perimeter
83398596
Area
434707863423201
Diagonal
29485856.386519
Surface area
2608247180539206
Volume
9.0635063699137E+21
Space diagonal
36112651.387978
Perimeter
62548947
Area
1.8823402647467E+14
Altitude
18056325.693989
Surface area
1.8823402647467E+14
Volume
1.0681444692489E+21
Height
9828618.7955062