20698731 is an odd 8-digits composite number following 20698730
and preceding 20698732 . In scientific notation, it is written as 2.0698731 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 13353840 positive integers (up to 20698731) that are relatively prime to 20698731.
20698731 has 12 divisors, whose sum is 30863040
The reverse of 20698731 is 13789602
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million six hundred ninety-eight thousand seven hundred thirty-one
Scientific notation
2.0698731 × 10^7
Engineering notation
2.0698731 × 10^6
Prime Factorization
3 × 3 × 31 × 74189
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6899577
Product of the distinct prime numbers
The prime factorization of 20698731 is 3 × 3 × 31 × 74189.
Since it has a total of 4 prime factors.
9 , 9 , 24 , 49 , 176 , 208 , 9840 , 3134 , 33164 , 44922 , 51249 , 343212 , 6847921 , 5248263 , 85424687 , 24788214 , 846939183 , 299525045 , 8253616136 , 7559707288
n×2
41397462
n×3
62096193
n×4
82794924
n×5
103493655
n÷2
10349365.5
n÷3
6899577
n÷3
5174682.75
n÷5
4139746.2
n2
428437465010361
n3
8.8681118385714E+21
n4
1.835586614245E+29
n5
3.7994313555459E+36
2 √n
4549.5858053234
3 √n
274.56672708702
4 √n
67.450617531075
5 √n
29.052850151173
1 , 3 , 9 , 31 , 93 , 279 , 74189 , 222567 , 667701 , 2299859 , 6899577 , 20698731
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
-20698730
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 20698731 can be divided by 12 positive divisors.
The sum of these divisors (counting 20698731) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110111101011001101011
3
Ternary
1102221121022200
4
Quaternary
1032331121223
5
Quinary
20244324411
6
Senary
2015351243
8
Octal
116753153
10
Decimal
20698731
12
Duodecimal
6b22523
16
Hexadecimal
13bd66b
20
Vigesimal
6976gb
36
Base36
cbn8r
md5
be5e18a59ee89d8c471c3d8d630dac6b
sha1
adcaedbb0d519c2f04a25e3f704da38eb1ba8343
sha256
41d931e522895f0908f4204723ac601dc6acac18c0f4c3de30ada208095ddfdd
sha512
dfc174799ee4a477702cd2e825c5b41bdbd742d216f0433e01fcfe3dd45bced9800205f922973a18b8a8e08301709872ae324a3061c7ae55d97cbd033c412bea
ripemd-160
2177f28d127256115f2701aee080fcbe5e3fb6ea
Diameter
41397462
Circumference
130053962.49646
Area
1.3459759925992E+15
Volume
3.7146660004358E+22
Surface area
5.3839039703967E+15
Circumference
130053962.49646
Perimeter
82794924
Area
428437465010361
Diagonal
29272426.104112
Surface area
2570624790062166
Volume
8.8681118385714E+21
Space diagonal
35851253.744201
Perimeter
62096193
Area
1.8551886431599E+14
Altitude
17925626.8721
Surface area
1.8551886431599E+14
Volume
1.0451170028958E+21
Height
9757475.3680375