20146978 is an even 8-digits composite number following 20146977
and preceding 20146979 . In scientific notation, it is written as 2.0146978 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 9935424 positive integers (up to 20146978) that are relatively prime to 20146978.
20146978 has 8 divisors, whose sum is 30634668
The reverse of 20146978 is 87964102
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million one hundred forty-six thousand nine hundred seventy-eight
Scientific notation
2.0146978 × 10^7
Engineering notation
2.0146978 × 10^6
Prime Factorization
2 × 73 × 137993
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20146978
Product of the distinct prime numbers
The prime factorization of 20146978 is 2 × 73 × 137993.
Since it has a total of 3 prime factors.
1 , 10 , 70 , 24 , 694 , 238 , 8430 , 9823 , 75783 , 94265 , 374591 , 836891 , 7008881 , 23348 , 41331693 , 53019689 , 904652373 , 526590490 , 2840927601 , 1271512491
n×2
40293956
n×3
60440934
n×4
80587912
n×5
100734890
n÷2
10073489
n÷3
6715659.3333333
n÷3
5036744.5
n÷5
4029395.6
n2
405900722532484
n3
8.1776729270461E+21
n4
1.6475539655239E+29
n5
3.3193233497223E+36
2 √n
4488.5385149289
3 √n
272.10507222309
4 √n
66.996555993043
5 √n
28.896283030485
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
-20146977
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 20146978 can be divided by 8 positive divisors.
The sum of these divisors (counting 20146978) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110110101100100010
3
Ternary
1101220120110101
4
Quaternary
1030312230202
5
Quinary
20124200403
6
Senary
1555453014
8
Octal
114665442
10
Decimal
20146978
12
Duodecimal
68b716a
16
Hexadecimal
1336b22
20
Vigesimal
65i78i
36
Base36
bztia
md5
0ea6dbcc7d13a5a40ea99fbbb5070b6e
sha1
d3cf59c624549e6544b8913f8c3ae423fa917cd0
sha256
7b6cfa91efc8603028b98b8d373c4ae03ae9c9f740faf5b88e313a6a7a1c1995
sha512
6bfd1a8c73e7d4ea56393ee9d275dadcd65d3705653efc106d88d8c2ad496a9a46fb9d13c5ba8784ffe5abda953520e110f7c2f06668e522296eb31243cc1f5b
ripemd-160
50a3bd3071abc8608280d3016c1c7d7a18587fbe
Diameter
40293956
Circumference
126587196.15367
Area
1.2751747279948E+15
Volume
3.4254556254757E+22
Surface area
5.1006989119794E+15
Circumference
126587196.15367
Perimeter
80587912
Area
405900722532484
Diagonal
28492129.528432
Surface area
2435404335194904
Volume
8.1776729270461E+21
Space diagonal
34895589.514972
Perimeter
60440934
Area
1.7576016856379E+14
Altitude
17447794.757486
Surface area
1.7576016856379E+14
Volume
9.6374799683999E+20
Height
9497376.5094775