20146721 is an odd 8-digits composite number following 20146720
and preceding 20146722 . In scientific notation, it is written as 2.0146721 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 17218368 positive integers (up to 20146721) that are relatively prime to 20146721.
20146721 has 8 divisors, whose sum is 23091840
The reverse of 20146721 is 12764102
Previous prime number is 359
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred forty-six thousand seven hundred twenty-one
Scientific notation
2.0146721 × 10^7
Engineering notation
2.0146721 × 10^6
Prime Factorization
7 × 359 × 8017
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20146721
Product of the distinct prime numbers
The prime factorization of 20146721 is 7 × 359 × 8017.
Since it has a total of 3 prime factors.
1 , 2 , 58 , 15 , 530 , 356 , 7762 , 7614 , 70862 , 30932 , 19389 , 937931 , 5859768 , 6648733 , 9495999 , 17866376 , 1749559 , 856164735 , 1404582776 , 9802108064
n×2
40293442
n×3
60440163
n×4
80586884
n×5
100733605
n÷2
10073360.5
n÷3
6715573.6666667
n÷3
5036680.25
n÷5
4029344.2
n2
405890367051841
n3
8.177359981581E+21
n4
1.6474699006548E+29
n5
3.319111644439E+36
2 √n
4488.5098863654
3 √n
272.10391520423
4 √n
66.996342335723
5 √n
28.896209308435
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
-20146720
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 20146721 can be divided by 8 positive divisors.
The sum of these divisors (counting 20146721) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110110101000100001
3
Ternary
1101220120002212
4
Quaternary
1030312220201
5
Quinary
20124143341
6
Senary
1555451505
8
Octal
114665041
10
Decimal
20146721
12
Duodecimal
68b6b95
16
Hexadecimal
1336a21
20
Vigesimal
65i6g1
36
Base36
bztb5
md5
83ae1d6d33d34bb68e2f53d98d9ab8b2
sha1
2f67ee4688e81597bcd82f9879dbe656a9e05222
sha256
64addac361e43d37c0a4ee92418d2bef09a3ed202cd6090de00d5fb8013bfa0f
sha512
02f160189163e5afee68198d05573bf88fe11e39d10a99c63e1b6359ee3ebbb01c57a277b675b2b3ecd28f574dd55c42499cfc35bfdf40023113e9b92b301bf0
ripemd-160
0e22119f71eb4ba03a92156a263931bc249c9c87
Diameter
40293442
Circumference
126585581.37505
Area
1.2751421952929E+15
Volume
3.4253245391859E+22
Surface area
5.1005687811717E+15
Circumference
126585581.37505
Perimeter
80586884
Area
405890367051841
Diagonal
28491766.075547
Surface area
2435342202311046
Volume
8.177359981581E+21
Space diagonal
34895144.377915
Perimeter
60440163
Area
1.7575568450914E+14
Altitude
17447572.188957
Surface area
1.7575568450914E+14
Volume
9.6371111586324E+20
Height
9497255.3585156