20185207 is an odd 8-digits composite number following 20185206
and preceding 20185208 . In scientific notation, it is written as 2.0185207 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 12 positive divisors.
There are 17287200 positive integers (up to 20185207) that are relatively prime to 20185207.
20185207 has 12 divisors, whose sum is 23568816
The reverse of 20185207 is 70258102
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred eighty-five thousand two hundred seven
Scientific notation
2.0185207 × 10^7
Engineering notation
2.0185207 × 10^6
Prime Factorization
7 × 49 × 7 × 7 × 1201
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
411943
Product of the distinct prime numbers
The prime factorization of 20185207 is 7 × 49 × 7 × 7 × 1201.
Since it has a total of 5 prime factors.
7 , 4 , 87 , 4 , 14 , 521 , 4921 , 9481 , 14068 , 93999 , 714003 , 524549 , 2621688 , 7593341 , 78139789 , 70464278 , 245745723 , 777829131 , 276062827 , 5115897238
n×2
40370414
n×3
60555621
n×4
80740828
n×5
100926035
n÷2
10092603.5
n÷3
6728402.3333333
n÷3
5046301.75
n÷5
4037041.4
n2
407442581632849
n3
8.2243128508735E+21
n4
1.6600945732764E+29
n5
3.3509352601161E+36
2 √n
4492.7950097907
3 √n
272.27707042975
4 √n
67.028314985465
5 √n
28.907240887349
1 , 7 , 49 , 343 , 1201 , 2401 , 8407 , 16807 , 58849 , 411943 , 2883601 , 20185207
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
-20185206
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 20185207 can be divided by 12 positive divisors.
The sum of these divisors (counting 20185207) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101000000000001110111
3
Ternary
1101222111220021
4
Quaternary
1031000001313
5
Quinary
20131411312
6
Senary
2000350011
8
Octal
115000167
10
Decimal
20185207
12
Duodecimal
6915307
16
Hexadecimal
1340077
20
Vigesimal
663307
36
Base36
c0n07
md5
489865a726b86a711180d9af5b55879b
sha1
9779d3eec5d1d6212c349a26b1c046a8393e83a6
sha256
8092817d6d1d3e0e76f5483eb369267cc6694f9ce99d4e127dd54a6e8abdf97c
sha512
b9521813255612a8e13beeab9109cd942444f7662e6db9e31e141935c95dd46d15b3e7958a7da6e72589c461dc7a10b76fb4aa1f40e615efaa9ce6a921506de9
ripemd-160
9a9d0121f80964845abdc5418086c830a9caf049
Diameter
40370414
Circumference
126827396.04478
Area
1.2800186212174E+15
Volume
3.4449921110838E+22
Surface area
5.1200744848697E+15
Circumference
126827396.04478
Perimeter
80740828
Area
407442581632849
Diagonal
28546193.498708
Surface area
2444655489797094
Volume
8.2243128508735E+21
Space diagonal
34961804.085295
Perimeter
60555621
Area
1.7642781313878E+14
Altitude
17480902.042647
Surface area
1.7642781313878E+14
Volume
9.6924456457538E+20
Height
9515397.8329028