20123831 is an odd 8-digits composite number following 20123830
and preceding 20123832 . In scientific notation, it is written as 2.0123831 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 14805504 positive integers (up to 20123831) that are relatively prime to 20123831.
20123831 has 8 divisors, whose sum is 20469840
The reverse of 20123831 is 13832102
Previous prime number is 1339
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred twenty-three thousand eight hundred thirty-one
Scientific notation
2.0123831 × 10^7
Engineering notation
2.0123831 × 10^6
Prime Factorization
133 × 1339 × 113
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20123831
Product of the distinct prime numbers
The prime factorization of 20123831 is 133 × 1339 × 113.
Since it has a total of 3 prime factors.
5 , 7 , 73 , 77 , 675 , 889 , 5609 , 6373 , 39986 , 85783 , 831747 , 567318 , 4230391 , 3217237 , 81547112 , 52020980 , 291870588 , 469611101 , 1236469315 , 1816293964
n×2
40247662
n×3
60371493
n×4
80495324
n×5
100619155
n÷2
10061915.5
n÷3
6707943.6666667
n÷3
5030957.75
n÷5
4024766.2
n2
404968574116561
n3
8.1495191458326E+21
n4
1.63999546022E+29
n5
3.3002991482235E+36
2 √n
4485.9593176934
3 √n
272.0008245001
4 √n
66.977304497071
5 √n
28.889640149756
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
-20123830
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 20123831 can be divided by 8 positive divisors.
The sum of these divisors (counting 20123831) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110001000010110111
3
Ternary
1101212101201002
4
Quaternary
1030301002313
5
Quinary
20122430311
6
Senary
1555153515
8
Octal
114610267
10
Decimal
20123831
12
Duodecimal
68a589b
16
Hexadecimal
13310b7
20
Vigesimal
65f9bb
36
Base36
bzbnb
md5
8e53ee9410454670dfdd04e52dcbe086
sha1
5053264812fdfeefa6e8e93f5e1a6868c7747a30
sha256
509ca7462b16feb124b143f09dab44d6191e36922ccde122868d568026c634eb
sha512
f58c17f9ad86a03471821edb832e274d5f639dd64761d8be1e75cea0d60ab6f9cda1ce4586454f428d650d68159c7eb8f738ea0e4477d5feeeadf4e13476ff62
ripemd-160
bc9aaa808852ec15feab6adeb68f0dadc8c87e3c
Diameter
40247662
Circumference
126441759.26337
Area
1.2722462973793E+15
Volume
3.4136625971783E+22
Surface area
5.0889851895173E+15
Circumference
126441759.26337
Perimeter
80495324
Area
404968574116561
Diagonal
28459394.727104
Surface area
2429811444699366
Volume
8.1495191458326E+21
Space diagonal
34855497.73493
Perimeter
60371493
Area
1.7535653645965E+14
Altitude
17427748.867465
Surface area
1.7535653645965E+14
Volume
9.6043004190464E+20
Height
9486464.9090347