20121025 is an odd 8-digits composite number following 20121024
and preceding 20121026 . In scientific notation, it is written as 2.0121025 × 10^7.
The sum of its digits is 13. It has a total of 3 prime factors and 8 positive divisors.
There are 16047680 positive integers (up to 20121025) that are relatively prime to 20121025.
20121025 has 8 divisors, whose sum is 20989800
The reverse of 20121025 is 52012102
Previous prime number is 2069
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 13
Digital Root 4
Name
twenty million one hundred twenty-one thousand twenty-five
Scientific notation
2.0121025 × 10^7
Engineering notation
2.0121025 × 10^6
Prime Factorization
25 × 2069 × 389
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20121025
Product of the distinct prime numbers
The prime factorization of 20121025 is 25 × 2069 × 389.
Since it has a total of 3 prime factors.
3 , 7 , 40 , 9 , 648 , 469 , 744 , 1224 , 63064 , 40586 , 52873 , 957705 , 684233 , 3859090 , 68241740 , 91567014 , 671145726 , 273882601 , 5789763903 , 3501527730
n×2
40242050
n×3
60363075
n×4
80484100
n×5
100605125
n÷2
10060512.5
n÷3
6707008.3333333
n÷3
5030256.25
n÷5
4024205
n2
404855647050625
n3
8.1461105956968E+21
n4
1.6390809494878E+29
n5
3.2979988761668E+36
2 √n
4485.6465531738
3 √n
271.98818161597
4 √n
66.974969601888
5 √n
28.888834449768
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
-20121024
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 20121025 can be divided by 8 positive divisors.
The sum of these divisors (counting 20121025) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110000010111000001
3
Ternary
1101212020212011
4
Quaternary
1030300113001
5
Quinary
20122333100
6
Senary
1555132521
8
Octal
114602701
10
Decimal
20121025
12
Duodecimal
68a4141
16
Hexadecimal
13305c1
20
Vigesimal
65f2b5
36
Base36
bz9hd
md5
895ea2da073f39af83da52ade3f6f974
sha1
330453b4d30a088217ce9c5cf9c2f9548be0d1a6
sha256
1fa485d2a529516023772ef403392ca114a33489bb461cfe0596d1d78e0fd218
sha512
06bb2a5aef6416bb34eb4b5f1b9f662d2a250762b9b16e7e4cbfd6d3e8d317c6e9c395b15a04776ed309aba8cb66b7bc6b3644fa06c05e61ceb8108bd719cce7
ripemd-160
c09ee377859bceec52b3262b325039b5f2633210
Diameter
40242050
Circumference
126424128.64539
Area
1.2718915265386E+15
Volume
3.4122348270361E+22
Surface area
5.0875661061543E+15
Circumference
126424128.64539
Perimeter
80484100
Area
404855647050625
Diagonal
28455426.443848
Surface area
2429133882303750
Volume
8.1461105956968E+21
Space diagonal
34850637.600364
Perimeter
60363075
Area
1.7530763760571E+14
Altitude
17425318.800182
Surface area
1.7530763760571E+14
Volume
9.600283404188E+20
Height
9485142.1479494