20120840 is an even 8-digits composite number following 20120839
and preceding 20120841 . In scientific notation, it is written as 2.0120840 × 10^7.
The sum of its digits is 17. It has a total of 6 prime factors and 32 positive divisors.
There are 8025600 positive integers (up to 20120840) that are relatively prime to 20120840.
20120840 has 32 divisors, whose sum is 45399960
The reverse of 20120840 is 04802102
Previous prime number is 761
Is Prime? no
Number parity even
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million one hundred twenty thousand eight hundred forty
Scientific notation
2.0120840 × 10^7
Engineering notation
2.0120840 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 761 × 661
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5030210
Product of the distinct prime numbers
The prime factorization of 20120840 is 2 × 2 × 2 × 5 × 761 × 661.
Since it has a total of 6 prime factors.
7 , 10 , 98 , 5 , 45 , 190 , 6225 , 6711 , 47511 , 94937 , 580874 , 844155 , 974404 , 4946997 , 93509444 , 38319944 , 325720598 , 152290432 , 6957642654 , 3407070273
n×2
40241680
n×3
60362520
n×4
80483360
n×5
100604200
n÷2
10060420
n÷3
6706946.6666667
n÷3
5030210
n÷5
4024168
n2
404848202305600
n3
8.1458859028786E+21
n4
1.6390206691008E+29
n5
3.2978472639669E+36
2 √n
4485.6259317959
3 √n
271.98734802742
4 √n
66.974815653318
5 √n
28.888781326689
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 661 , 761 , 1322 , 1522 , 2644 , 3044 , 3305 , 3805 , 5288 , 6088 , 6610 , 7610 , 13220 , 15220 , 26440 , 30440 , 503021 , 1006042 , 2012084 , 2515105 , 4024168 , 5030210 , 10060420 , 20120840
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20120839
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20120840 can be divided by 32 positive divisors.
The sum of these divisors (counting 20120840) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110000010100001000
3
Ternary
1101212020121022
4
Quaternary
1030300110020
5
Quinary
20122331330
6
Senary
1555132012
8
Octal
114602410
10
Decimal
20120840
12
Duodecimal
68a4008
16
Hexadecimal
1330508
20
Vigesimal
65f220
36
Base36
bz9c8
md5
8a76a9e799e04b9ea2391a9898cbf5dc
sha1
068cf752a2bc73553d70549cf9ab8768ae790428
sha256
a59305646320dee147e62c4bcb651df618be0bc77082fac09c5326dbe68022f2
sha512
d5babd01e461574c46368b5152570250c507cc19a61171c3aa9abff3edbac0941427615454974813a9f327ed73eb7f0cd24fe699d9c8b50cf1f53c7f328a96ad
ripemd-160
536265a6bc4865520dc339d33025bba6a8b13888
Diameter
40241680
Circumference
126422966.25611
Area
1.2718681381823E+15
Volume
3.4121407079285E+22
Surface area
5.0874725527292E+15
Circumference
126422966.25611
Perimeter
80483360
Area
404848202305600
Diagonal
28455164.814339
Surface area
2429089213833600
Volume
8.1458859028786E+21
Space diagonal
34850317.170964
Perimeter
60362520
Area
1.7530441393656E+14
Altitude
17425158.585482
Surface area
1.7530441393656E+14
Volume
9.6000186011623E+20
Height
9485054.938113