20698749 is an odd 8-digits composite number following 20698748
and preceding 20698750 . In scientific notation, it is written as 2.0698749 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 13780800 positive integers (up to 20698749) that are relatively prime to 20698749.
20698749 has 12 divisors, whose sum is 29938012
The reverse of 20698749 is 94789602
Previous prime number is 1741
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty million six hundred ninety-eight thousand seven hundred forty-nine
Scientific notation
2.0698749 × 10^7
Engineering notation
2.0698749 × 10^6
Prime Factorization
3 × 3 × 1741 × 1321
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6899583
Product of the distinct prime numbers
The prime factorization of 20698749 is 3 × 3 × 1741 × 1321.
Since it has a total of 4 prime factors.
3 , 5 , 91 , 69 , 14 , 784 , 2090 , 8557 , 45940 , 65182 , 567578 , 462346 , 6574303 , 6349491 , 81812791 , 64169423 , 854177730 , 607060789 , 2713745786 , 1436278139
n×2
41397498
n×3
62096247
n×4
82794996
n×5
103493745
n÷2
10349374.5
n÷3
6899583
n÷3
5174687.25
n÷5
4139749.8
n2
428438210165001
n3
8.8681349742146E+21
n4
1.8355929992939E+29
n5
3.7994478758542E+36
2 √n
4549.587783525
3 √n
274.56680667643
4 √n
67.450632195147
5 √n
29.052855204151
1 , 3 , 9 , 1321 , 1741 , 3963 , 5223 , 11889 , 15669 , 2299861 , 6899583 , 20698749
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
-20698748
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 20698749 can be divided by 12 positive divisors.
The sum of these divisors (counting 20698749) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110111101011001111101
3
Ternary
1102221121100100
4
Quaternary
1032331121331
5
Quinary
20244324444
6
Senary
2015351313
8
Octal
116753175
10
Decimal
20698749
12
Duodecimal
6b22539
16
Hexadecimal
13bd67d
20
Vigesimal
6976h9
36
Base36
cbn99
md5
c9a5b4862421de9fe32fb27e0253fb0d
sha1
26fdf8b6e90d4a10d7d49175f35da8c2eff59445
sha256
3abeac56447f63b12e44aa7ac35bdea40fd31b4f97a0f19d6270e3d4c79312aa
sha512
dc014e5069bf8e7e2f44af3df26717daca050416ae587fa036ba1de03e026e0727cef3b333ea04d281d1a17455f14814b4a9eeb64f6f1b6bf633f0d5d1ff5ef5
ripemd-160
c409f5244ae60c08cc421e7d98585526fce0d901
Diameter
41397498
Circumference
130054075.5938
Area
1.3459783335715E+15
Volume
3.7146756914714E+22
Surface area
5.3839133342861E+15
Circumference
130054075.5938
Perimeter
82794996
Area
428438210165001
Diagonal
29272451.559957
Surface area
2570629260990006
Volume
8.8681349742146E+21
Space diagonal
35851284.921115
Perimeter
62096247
Area
1.8551918697741E+14
Altitude
17925642.460558
Surface area
1.8551918697741E+14
Volume
1.0451197294575E+21
Height
9757483.8533188