20121520 is an even 8-digits composite number following 20121519
and preceding 20121521 . In scientific notation, it is written as 2.0121520 × 10^7.
The sum of its digits is 13. It has a total of 6 prime factors and 20 positive divisors.
There are 8048576 positive integers (up to 20121520) that are relatively prime to 20121520.
20121520 has 20 divisors, whose sum is 46782720
The reverse of 20121520 is 02512102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 13
Digital Root 4
Name
twenty million one hundred twenty-one thousand five hundred twenty
Scientific notation
2.0121520 × 10^7
Engineering notation
2.0121520 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 251519
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2515190
Product of the distinct prime numbers
The prime factorization of 20121520 is 2 × 2 × 2 × 2 × 5 × 251519.
Since it has a total of 6 prime factors.
3 , 2 , 40 , 5 , 79 , 865 , 6925 , 3408 , 78901 , 69297 , 163335 , 693401 , 7678310 , 473882 , 45159587 , 11251394 , 552539335 , 782570527 , 1798401998 , 1713828376
n×2
40243040
n×3
60364560
n×4
80486080
n×5
100607600
n÷2
10060760
n÷3
6707173.3333333
n÷3
5030380
n÷5
4024304
n2
404875567110400
n3
8.1467118211233E+21
n4
1.6392422484297E+29
n5
3.2984045686623E+36
2 √n
4485.7017288268
3 √n
271.99041200343
4 √n
66.975381513111
5 √n
28.888976587978
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 251519 , 503038 , 1006076 , 1257595 , 2012152 , 2515190 , 4024304 , 5030380 , 10060760 , 20121520
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20121519
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20121520 can be divided by 20 positive divisors.
The sum of these divisors (counting 20121520) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001100110000011110110000
3
Ternary
1101212021112111
4
Quaternary
1030300132300
5
Quinary
20122342040
6
Senary
1555135104
8
Octal
114603660
10
Decimal
20121520
12
Duodecimal
68a4494
16
Hexadecimal
13307b0
20
Vigesimal
65f3g0
36
Base36
bz9v4
md5
7e93eb853cb7713ec97f48a99020e558
sha1
56c5246ecd379c231495b20727ae9d49c13cc791
sha256
aa6a1f60373fd836df281b2d9a665fe82444169b1eee849b7d9eab28f9216299
sha512
71ea929d0d047af3582dba72d014ca52926b8c86adb5a211cf21b7c517768206beba67281ca6e88969df1c36f5746ff25b8e7f612e37c8163d7984bc22ac57b2
ripemd-160
ca85a89aa911d0fcec13e67b4716508a79cc1b18
Diameter
40243040
Circumference
126427238.82212
Area
1.271954107252E+15
Volume
3.4124866677539E+22
Surface area
5.0878164290081E+15
Circumference
126427238.82212
Perimeter
80486080
Area
404875567110400
Diagonal
28456126.479561
Surface area
2429253402662400
Volume
8.1467118211233E+21
Space diagonal
34851494.965513
Perimeter
60364560
Area
1.7531626324462E+14
Altitude
17425747.482757
Surface area
1.7531626324462E+14
Volume
9.6009919551481E+20
Height
9485375.4931872