20171995 is an odd 8-digits composite number following 20171994
and preceding 20171996 . In scientific notation, it is written as 2.0171995 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 16137592 positive integers (up to 20171995) that are relatively prime to 20171995.
20171995 has 4 divisors, whose sum is 24206400
The reverse of 20171995 is 59917102
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred seventy-one thousand nine hundred ninety-five
Scientific notation
2.0171995 × 10^7
Engineering notation
2.0171995 × 10^6
Prime Factorization
5 × 4034399
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20171995
Product of the distinct prime numbers
The prime factorization of 20171995 is 5 × 4034399.
Since it has a total of 2 prime factors.
9 , 5 , 29 , 80 , 972 , 434 , 7960 , 9140 , 57115 , 14446 , 94845 , 682179 , 2848928 , 6489915 , 27823320 , 22347669 , 401926187 , 145175907 , 8545968958 , 7165875396
n×2
40343990
n×3
60515985
n×4
80687980
n×5
100859975
n÷2
10085997.5
n÷3
6723998.3333333
n÷3
5042998.75
n÷5
4034399
n2
406909382280025
n3
8.2081740248058E+21
n4
1.6557524538751E+29
n5
3.3399830220807E+36
2 √n
4491.3244149137
3 √n
272.21765216694
4 √n
67.017344135035
5 √n
28.903455714385
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20171994
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20171995 can be divided by 4 positive divisors.
The sum of these divisors (counting 20171995) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111100110011011011
3
Ternary
1101221211202221
4
Quaternary
1030330303123
5
Quinary
20131000440
6
Senary
2000204511
8
Octal
114746333
10
Decimal
20171995
12
Duodecimal
6909737
16
Hexadecimal
133ccdb
20
Vigesimal
6619jf
36
Base36
c0ct7
md5
34c756111252a2a73ce3dea6d2067d68
sha1
6559d5d44e16b0bcd5e648d5a82c844b10475483
sha256
c58e6d171e45700f9c0eb3f07f411930b446989c29f8674388e01e9d50427d46
sha512
b989ef2f6ee7a8cfdf419105282dafe3ec15877c8beab166e32b5fbeadee7d62e0ffb81a9315255cd9aa118c1f5edcbb8741c8e7ea1f84a6248ee39f92dc757d
ripemd-160
bd2a34ee98ecea51531f20399a740c5c47ae393e
Diameter
40343990
Circumference
126744382.6005
Area
1.2783435260477E+15
Volume
3.4382318954288E+22
Surface area
5.1133741041907E+15
Circumference
126744382.6005
Perimeter
80687980
Area
406909382280025
Diagonal
28527508.909122
Surface area
2441456293680150
Volume
8.2081740248058E+21
Space diagonal
34938920.230025
Perimeter
60515985
Area
1.7619693104637E+14
Altitude
17469460.115013
Surface area
1.7619693104637E+14
Volume
9.6734258568324E+20
Height
9509169.6363741