20121479 is an odd 8-digits composite number following 20121478
and preceding 20121480 . In scientific notation, it is written as 2.0121479 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 17181720 positive integers (up to 20121479) that are relatively prime to 20121479.
20121479 has 8 divisors, whose sum is 23083008
The reverse of 20121479 is 97412102
Previous prime number is 271
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred twenty-one thousand four hundred seventy-nine
Scientific notation
2.0121479 × 10^7
Engineering notation
2.0121479 × 10^6
Prime Factorization
7 × 271 × 10607
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20121479
Product of the distinct prime numbers
The prime factorization of 20121479 is 7 × 271 × 10607.
Since it has a total of 3 prime factors.
6 , 7 , 36 , 57 , 795 , 650 , 5545 , 4869 , 18161 , 62617 , 315598 , 235496 , 2148100 , 9609512 , 23919850 , 48482942 , 369196992 , 286871064 , 5618177437 , 2036676575
n×2
40242958
n×3
60364437
n×4
80485916
n×5
100607395
n÷2
10060739.5
n÷3
6707159.6666667
n÷3
5030369.75
n÷5
4024295.8
n2
404873917147441
n3
8.14666202153E+21
n4
1.6392288878631E+29
n5
3.2983709643331E+36
2 √n
4485.697158748
3 √n
271.99022726566
4 √n
66.975347395501
5 √n
28.88896481502
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
-20121478
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 20121479 can be divided by 8 positive divisors.
The sum of these divisors (counting 20121479) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110000011110000111
3
Ternary
1101212021110222
4
Quaternary
1030300132013
5
Quinary
20122341404
6
Senary
1555134555
8
Octal
114603607
10
Decimal
20121479
12
Duodecimal
68a445b
16
Hexadecimal
1330787
20
Vigesimal
65f3dj
36
Base36
bz9tz
md5
f2f63d1fa3e80d87bd503919f1f1f37f
sha1
ecfc6d73f5ec0d9caf559fa4690b72865c933f94
sha256
fb790faac68319498e7d070cfcecb44a3c3aaeb8d060c51e0d90fc8207431666
sha512
38710c6d3c4c6989212e8d1375ca2f3d7e33a4749cfa87c573d7c1a8f58329d54a56f23a6c1e29df3df7cd0f5c0271d2ac57a356e0787d5c2ce2eae90adeb168
ripemd-160
27e0b6b9721bae3315a456d012c275c18cb04b1d
Diameter
40242958
Circumference
126426981.21152
Area
1.2719489237405E+15
Volume
3.412465807749E+22
Surface area
5.0877956949621E+15
Circumference
126426981.21152
Perimeter
80485916
Area
404873917147441
Diagonal
28456068.496805
Surface area
2429243502884646
Volume
8.14666202153E+21
Space diagonal
34851423.95143
Perimeter
60364437
Area
1.753155487897E+14
Altitude
17425711.975715
Surface area
1.753155487897E+14
Volume
9.6009332657646E+20
Height
9485356.1656018