20121725 is an odd 8-digits composite number following 20121724
and preceding 20121726 . In scientific notation, it is written as 2.0121725 × 10^7.
The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors.
There are 14688000 positive integers (up to 20121725) that are relatively prime to 20121725.
20121725 has 16 divisors, whose sum is 24800688
The reverse of 20121725 is 52712102
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred twenty-one thousand seven hundred twenty-five
Scientific notation
2.0121725 × 10^7
Engineering notation
2.0121725 × 10^6
Prime Factorization
65 × 5 × 101 × 613
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20121725
Product of the distinct prime numbers
The prime factorization of 20121725 is 65 × 5 × 101 × 613.
Since it has a total of 4 prime factors.
1 , 6 , 47 , 4 , 386 , 503 , 9319 , 7547 , 26258 , 10570 , 703968 , 174573 , 4639712 , 7448560 , 18698292 , 15885644 , 575456776 , 688193495 , 8245940918 , 9914041712
n×2
40243450
n×3
60365175
n×4
80486900
n×5
100608625
n÷2
10060862.5
n÷3
6707241.6666667
n÷3
5030431.25
n÷5
4024345
n2
404883816975625
n3
8.1469608221339E+21
n4
1.6393090524875E+29
n5
3.2985725944164E+36
2 √n
4485.7245791511
3 √n
271.99133568854
4 √n
66.975552100383
5 √n
28.889035452478
1 , 5 , 65 , 101 , 325 , 505 , 613 , 3065 , 6565 , 32825 , 39845 , 61913 , 199225 , 309565 , 4024345 , 20121725
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
-20121724
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 20121725 can be divided by 16 positive divisors.
The sum of these divisors (counting 20121725) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110000100001111101
3
Ternary
1101212021211002
4
Quaternary
1030300201331
5
Quinary
20122343400
6
Senary
1555140045
8
Octal
114604175
10
Decimal
20121725
12
Duodecimal
68a4625
16
Hexadecimal
133087d
20
Vigesimal
65f465
36
Base36
bza0t
md5
5394d2fd27e4cb2e00b8188f0f37d02a
sha1
2a06ff3edce4a7f7a40332d39ec0d4d910670479
sha256
9264bce800d45edc51d5bece0c47d738746d7b83e4fe244b93b08485180eb22b
sha512
e82aa2405380318b649f43bfbe3d6a52b8a81f59313884f3a7571086558452eafc53aa6ee3867b6d74671febe31250e4093b6b8356ddf9880e0ee39f0f66e7ec
ripemd-160
cad5c52e9c9a995b30375a9d242e6ea7080f655a
Diameter
40243450
Circumference
126428526.87511
Area
1.271980024968E+15
Volume
3.4125909690533E+22
Surface area
5.0879200998721E+15
Circumference
126428526.87511
Perimeter
80486900
Area
404883816975625
Diagonal
28456416.393342
Surface area
2429302901853750
Volume
8.1469608221339E+21
Space diagonal
34851850.035929
Perimeter
60365175
Area
1.7531983554105E+14
Altitude
17425925.017964
Surface area
1.7531983554105E+14
Volume
9.6012854056533E+20
Height
9485472.1311139