20986739 is an odd 8-digits composite number following 20986738
and preceding 20986740 . In scientific notation, it is written as 2.0986739 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 20721096 positive integers (up to 20986739) that are relatively prime to 20986739.
20986739 has 8 divisors, whose sum is 21254400
The reverse of 20986739 is 93768902
Previous prime number is 647
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty million nine hundred eighty-six thousand seven hundred thirty-nine
Scientific notation
2.0986739 × 10^7
Engineering notation
2.0986739 × 10^6
Prime Factorization
199 × 647 × 163
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20986739
Product of the distinct prime numbers
The prime factorization of 20986739 is 199 × 647 × 163.
Since it has a total of 3 prime factors.
10 , 1 , 45 , 40 , 273 , 398 , 788 , 8747 , 85173 , 41903 , 256749 , 318444 , 2020668 , 540366 , 61402367 , 18768751 , 838573665 , 831799015 , 1305646694 , 2440835182
n×2
41973478
n×3
62960217
n×4
83946956
n×5
104933695
n÷2
10493369.5
n÷3
6995579.6666667
n÷3
5246684.75
n÷5
4197347.8
n2
440443213854121
n3
9.2434667734776E+21
n4
1.9399022463015E+29
n5
4.0712222128643E+36
2 √n
4581.1285727427
3 √n
275.83433224559
4 √n
67.684034843844
5 √n
29.133253799822
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
-20986738
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 20986739 can be divided by 8 positive divisors.
The sum of these divisors (counting 20986739) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000011101101110011
3
Ternary
1110111020101122
4
Quaternary
1100003231303
5
Quinary
20333033424
6
Senary
2025452455
8
Octal
120035563
10
Decimal
20986739
12
Duodecimal
704112b
16
Hexadecimal
1403b73
20
Vigesimal
6b36gj
36
Base36
chtgz
md5
e3fb2a167d371a81758550921f8a74d1
sha1
1d4002e22fc9e7464cb623f95479962a163831c7
sha256
233cbd0a9958b786d48c55088a8f9a004fe89dd3e2e798188b44ea3fc399a7b3
sha512
f6d89199c8c004799c04bd3d4bbbd9da9e94c6ee098f8a5089423ad3b34a75335cb2da468a0d890348991a787687000be580c4389e33ae0b09dc86d677090a20
ripemd-160
33d56f4d64e6be92a81ccadbd313d147210c26f2
Diameter
41973478
Circumference
131863570.13041
Area
1.3836931649676E+15
Volume
3.8718943079012E+22
Surface area
5.5347726598703E+15
Circumference
131863570.13041
Perimeter
83946956
Area
440443213854121
Diagonal
29679730.923784
Surface area
2642659283124726
Volume
9.2434667734776E+21
Space diagonal
36350098.233187
Perimeter
62960217
Area
1.9071750606107E+14
Altitude
18175049.116594
Surface area
1.9071750606107E+14
Volume
1.0893530061998E+21
Height
9893243.6412615