20121550 is an even 8-digits composite number following 20121549
and preceding 20121551 . In scientific notation, it is written as 2.0121550 × 10^7.
The sum of its digits is 16. It has a total of 5 prime factors and 24 positive divisors.
There are 7698240 positive integers (up to 20121550) that are relatively prime to 20121550.
20121550 has 24 divisors, whose sum is 39055536
The reverse of 20121550 is 05512102
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty million one hundred twenty-one thousand five hundred fifty
Scientific notation
2.0121550 × 10^7
Engineering notation
2.0121550 × 10^6
Prime Factorization
2 × 5 × 5 × 23 × 17497
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4024310
Product of the distinct prime numbers
The prime factorization of 20121550 is 2 × 5 × 5 × 23 × 17497.
Since it has a total of 5 prime factors.
1 , 4 , 24 , 82 , 115 , 657 , 8531 , 4673 , 14076 , 85385 , 631463 , 411138 , 2907170 , 5335066 , 75048803 , 60054499 , 680993225 , 509830924 , 4374599852 , 9123004177
n×2
40243100
n×3
60364650
n×4
80486200
n×5
100607750
n÷2
10060775
n÷3
6707183.3333333
n÷3
5030387.5
n÷5
4024310
n2
404876774402500
n3
8.1467482599786E+21
n4
1.6392520245057E+29
n5
3.2984291573693E+36
2 √n
4485.705072784
3 √n
271.99054717726
4 √n
66.975406477184
5 √n
28.888985202325
1 , 2 , 5 , 10 , 23 , 25 , 46 , 50 , 115 , 230 , 575 , 1150 , 17497 , 34994 , 87485 , 174970 , 402431 , 437425 , 804862 , 874850 , 2012155 , 4024310 , 10060775 , 20121550
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
-20121549
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 20121550 can be divided by 24 positive divisors.
The sum of these divisors (counting 20121550) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110000011111001110
3
Ternary
1101212021120121
4
Quaternary
1030300133032
5
Quinary
20122342200
6
Senary
1555135154
8
Octal
114603716
10
Decimal
20121550
12
Duodecimal
68a44ba
16
Hexadecimal
13307ce
20
Vigesimal
65f3ha
36
Base36
bz9vy
md5
2e51c0227e8e67b6cbfc39d9dad7d399
sha1
12d06041b8315aca7055ced73ff9c7de2f915812
sha256
2414ae5fc592f2099f8ec8dcbc73d0081b912c299baa303640f38394a223d4b8
sha512
299f6154231b0f8dbc15f9f2032d4112b8ab94094268cc3083566a8375f1b10c0cbdef62816d97e5b96211e6a6c92a7da31e44009141ccc2a41750fa49058fe6
ripemd-160
c912ddcd1b82d65639a8ef98c7dc86f37677428f
Diameter
40243100
Circumference
126427427.31768
Area
1.271957900072E+15
Volume
3.4125019312259E+22
Surface area
5.0878316002881E+15
Circumference
126427427.31768
Perimeter
80486200
Area
404876774402500
Diagonal
28456168.905968
Surface area
2429260646415000
Volume
8.1467482599786E+21
Space diagonal
34851546.927038
Perimeter
60364650
Area
1.7531678601743E+14
Altitude
17425773.463519
Surface area
1.7531678601743E+14
Volume
9.601034898751E+20
Height
9485389.6353228