20121569 is an odd 8-digits composite number following 20121568
and preceding 20121570 . In scientific notation, it is written as 2.0121569 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 18467856 positive integers (up to 20121569) that are relatively prime to 20121569.
20121569 has 8 divisors, whose sum is 21792960
The reverse of 20121569 is 96512102
Previous prime number is 179
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred twenty-one thousand five hundred sixty-nine
Scientific notation
2.0121569 × 10^7
Engineering notation
2.0121569 × 10^6
Prime Factorization
13 × 179 × 8647
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20121569
Product of the distinct prime numbers
The prime factorization of 20121569 is 13 × 179 × 8647.
Since it has a total of 3 prime factors.
8 , 8 , 99 , 86 , 363 , 52 , 5419 , 8596 , 26556 , 9063 , 209404 , 430372 , 875860 , 1710997 , 53373961 , 91770916 , 596729157 , 620542549 , 5649456782 , 3861981239
n×2
40243138
n×3
60364707
n×4
80486276
n×5
100607845
n÷2
10060784.5
n÷3
6707189.6666667
n÷3
5030392.25
n÷5
4024313.8
n2
404877539021761
n3
8.1467713379766E+21
n4
1.6392582160432E+29
n5
3.298444730293E+36
2 √n
4485.7071906222
3 √n
271.99063278727
4 √n
66.975422287748
5 √n
28.888990658073
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
-20121568
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 20121569 can be divided by 8 positive divisors.
The sum of these divisors (counting 20121569) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110000011111100001
3
Ternary
1101212021121022
4
Quaternary
1030300133201
5
Quinary
20122342234
6
Senary
1555135225
8
Octal
114603741
10
Decimal
20121569
12
Duodecimal
68a4515
16
Hexadecimal
13307e1
20
Vigesimal
65f3i9
36
Base36
bz9wh
md5
1134fc60f693240cb1fb8349fd5229e6
sha1
408aa3edb32f2dfdfb864a6eddd504003709791c
sha256
fb0090f072d741fcfae109393d1edff3abd53e39e526cdef02fe9dde4a6302cf
sha512
909269c13ac321a9315b596012db041280033f0fb6679f37948910b48c1f65c1085bfa4ba34fe26b2fbe7b26220982f229a76b26ced60bb8dcbed00b5ccedd7e
ripemd-160
4918f00757a09b56656f7444d3eb14b4e06b6f35
Diameter
40243138
Circumference
126427546.6982
Area
1.2719603021943E+15
Volume
3.4125115981151E+22
Surface area
5.0878412087771E+15
Circumference
126427546.6982
Perimeter
80486276
Area
404877539021761
Diagonal
28456195.776026
Surface area
2429265234130566
Volume
8.1467713379766E+21
Space diagonal
34851579.836003
Perimeter
60364707
Area
1.7531711710729E+14
Altitude
17425789.918001
Surface area
1.7531711710729E+14
Volume
9.6010620964324E+20
Height
9485398.5920087