20121543 is an odd 8-digits composite number following 20121542
and preceding 20121544 . In scientific notation, it is written as 2.0121543 × 10^7.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 12312000 positive integers (up to 20121543) that are relatively prime to 20121543.
20121543 has 16 divisors, whose sum is 24214400
The reverse of 20121543 is 34512102
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred twenty-one thousand five hundred forty-three
Scientific notation
2.0121543 × 10^7
Engineering notation
2.0121543 × 10^6
Prime Factorization
9 × 13 × 229 × 751
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20121543
Product of the distinct prime numbers
The prime factorization of 20121543 is 9 × 13 × 229 × 751.
Since it has a total of 4 prime factors.
1 , 1 , 53 , 100 , 62 , 226 , 9036 , 4421 , 99263 , 23315 , 98093 , 866683 , 5366619 , 3744816 , 96413851 , 80938685 , 882145314 , 206102450 , 5798295170 , 9637393097
n×2
40243086
n×3
60364629
n×4
80486172
n×5
100607715
n÷2
10060771.5
n÷3
6707181
n÷3
5030385.75
n÷5
4024308.6
n2
404876492700849
n3
8.1467397575693E+21
n4
1.6392497434174E+29
n5
3.2984234199912E+36
2 √n
4485.7042925275
3 √n
271.99051563671
4 √n
66.975400652236
5 √n
28.888983192312
1 , 9 , 13 , 117 , 229 , 751 , 2061 , 2977 , 6759 , 9763 , 26793 , 87867 , 171979 , 1547811 , 2235727 , 20121543
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20121542
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20121543 can be divided by 16 positive divisors.
The sum of these divisors (counting 20121543) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110000011111000111
3
Ternary
1101212021120100
4
Quaternary
1030300133013
5
Quinary
20122342133
6
Senary
1555135143
8
Octal
114603707
10
Decimal
20121543
12
Duodecimal
68a44b3
16
Hexadecimal
13307c7
20
Vigesimal
65f3h3
36
Base36
bz9vr
md5
3bf62c86b849e8a5d4d043af25aabd8f
sha1
54f422668c5248f58bf34a773c0ed5d5512a7c15
sha256
cb43e585de9209d0592737aa49d595fc79c327f75ca18bf48ee66268f1164fbe
sha512
2b9a6938686729c6601542df9590bb031efdec3b35524f088af8c33d022b8ef0f26f60873b92d26f9570ca0927e967e12b746d2d07751f5fb40bdd8ebb90c0a1
ripemd-160
2313a806fb54ff732eeb4ff4f19d0f6999f2f021
Diameter
40243086
Circumference
126427383.33538
Area
1.2719570150802E+15
Volume
3.412498369745E+22
Surface area
5.0878280603208E+15
Circumference
126427383.33538
Perimeter
80486172
Area
404876492700849
Diagonal
28456159.006473
Surface area
2429258956205094
Volume
8.1467397575693E+21
Space diagonal
34851534.802682
Perimeter
60364629
Area
1.7531666403704E+14
Altitude
17425767.401341
Surface area
1.7531666403704E+14
Volume
9.6010248785655E+20
Height
9485386.3354911