20121478 is an even 8-digits composite number following 20121477
and preceding 20121479 . In scientific notation, it is written as 2.0121478 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors.
There are 9120384 positive integers (up to 20121478) that are relatively prime to 20121478.
20121478 has 24 divisors, whose sum is 33269400
The reverse of 20121478 is 87412102
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred twenty-one thousand four hundred seventy-eight
Scientific notation
2.0121478 × 10^7
Engineering notation
2.0121478 × 10^6
Prime Factorization
2 × 13 × 13 × 59 × 1009
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1547806
Product of the distinct prime numbers
The prime factorization of 20121478 is 2 × 13 × 13 × 59 × 1009.
Since it has a total of 5 prime factors.
1 , 7 , 58 , 20 , 695 , 574 , 9706 , 344 , 30436 , 48544 , 173626 , 582004 , 6146274 , 4119453 , 65118173 , 76176813 , 838339793 , 871548946 , 8413970365 , 7276824475
n×2
40242956
n×3
60364434
n×4
80485912
n×5
100607390
n÷2
10060739
n÷3
6707159.3333333
n÷3
5030369.5
n÷5
4024295.6
n2
404873876904484
n3
8.1466608069083E+21
n4
1.6392285619967E+29
n5
3.2983701447188E+36
2 √n
4485.6970472826
3 √n
271.99022275986
4 √n
66.975346563363
5 √n
28.888964527875
1 , 2 , 13 , 26 , 59 , 118 , 169 , 338 , 767 , 1009 , 1534 , 2018 , 9971 , 13117 , 19942 , 26234 , 59531 , 119062 , 170521 , 341042 , 773903 , 1547806 , 10060739 , 20121478
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20121477
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20121478 can be divided by 24 positive divisors.
The sum of these divisors (counting 20121478) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110000011110000110
3
Ternary
1101212021110221
4
Quaternary
1030300132012
5
Quinary
20122341403
6
Senary
1555134554
8
Octal
114603606
10
Decimal
20121478
12
Duodecimal
68a445a
16
Hexadecimal
1330786
20
Vigesimal
65f3di
36
Base36
bz9ty
md5
96f2c7247417f67fe0bf3d11d857026f
sha1
b3670b4972d3a53dbda548486be627302662b4d9
sha256
334bd474a805a2f9f248da5abefab8551fccbbf5c356de821166fcf83533925e
sha512
855b60aea9f7940bbc8ff7fcf2b39e5c106182bef9ba1da346fcf141bf1c1a9393705ab5271bc3009913261d9d01f19f119cfa6622eeef08f09df1dc42559fd7
ripemd-160
c93e88e782c767be29dec1cfb781cef18545ac57
Diameter
40242956
Circumference
126426974.92834
Area
1.2719487973135E+15
Volume
3.4124652989695E+22
Surface area
5.0877951892542E+15
Circumference
126426974.92834
Perimeter
80485912
Area
404873876904484
Diagonal
28456067.082592
Surface area
2429243261426904
Volume
8.1466608069083E+21
Space diagonal
34851422.219379
Perimeter
60364434
Area
1.7531553136399E+14
Altitude
17425711.10969
Surface area
1.7531553136399E+14
Volume
9.6009318343192E+20
Height
9485355.6941973