20171491 is an odd 8-digits prime number following 20171490
and preceding 20171492 . In scientific notation, it is written as 2.0171491 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 20171490 positive integers (up to 20171491) that are relatively prime to 20171491.
20171491 has 2 divisors, whose sum is 20171492
The reverse of 20171491 is 19417102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred seventy-one thousand four hundred ninety-one
Scientific notation
2.0171491 × 10^7
Engineering notation
2.0171491 × 10^6
Prime Factorization
20171491
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20171491
Product of the distinct prime numbers
The prime factorization of 20171491 is 20171491.
Since it has a total of 1 prime factors.
7 , 7 , 46 , 30 , 855 , 997 , 7780 , 3271 , 57222 , 51149 , 298931 , 1635 , 9848599 , 295240 , 74398906 , 36207943 , 48155674 , 69872695 , 9163024727 , 1968319715
n×2
40342982
n×3
60514473
n×4
80685964
n×5
100857455
n÷2
10085745.5
n÷3
6723830.3333333
n÷3
5042872.75
n÷5
4034298.2
n2
406889049163081
n3
8.2075587931916E+21
n4
1.6555869832884E+29
n5
3.3395657933118E+36
2 √n
4491.2683063919
3 √n
272.21538501655
4 √n
67.01692552178
5 √n
28.903311281598
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20171492
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10085746
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4491.268417719
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999008502
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20171491 can be divided by 2 positive divisors.
The sum of these divisors (counting 20171491) is 20171492, the average is 10085746.
Base
System
Value
2
Binary
1001100111100101011100011
3
Ternary
1101221211002021
4
Quaternary
1030330223203
5
Quinary
20130441431
6
Senary
2000202311
8
Octal
114745343
10
Decimal
20171491
12
Duodecimal
6909397
16
Hexadecimal
133cae3
20
Vigesimal
6618eb
36
Base36
c0cf7
md5
bdd2389e191adf6f0681f8c60f5298f0
sha1
50cf55600b11a9157e4ae5ac2a78d4deee60c205
sha256
5d12fa336ff2322b7d9be51e1b0b39c62afea788a77c5736823345b0e9c3945a
sha512
f5e8863ff0020004aa8a711bafeabcedf7c709fb2a254a141a17105e0b05970849ab9b6f0b906d297f6a026c967b4d091dc2052aa839ed244fc83465e187ac86
ripemd-160
1837da6cc508311dd7eb08e1064823df3aabafb5
Diameter
40342982
Circumference
126741215.87511
Area
1.2782796476769E+15
Volume
3.437974187813E+22
Surface area
5.1131185907075E+15
Circumference
126741215.87511
Perimeter
80685964
Area
406889049163081
Diagonal
28526796.145487
Surface area
2441334294978486
Volume
8.2075587931916E+21
Space diagonal
34938047.276418
Perimeter
60514473
Area
1.7618812654846E+14
Altitude
17469023.638209
Surface area
1.7618812654846E+14
Volume
9.6727007994218E+20
Height
9508932.0484956