20145831 is an odd 8-digits composite number following 20145830
and preceding 20145832 . In scientific notation, it is written as 2.0145831 × 10^7.
The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors.
There are 13430552 positive integers (up to 20145831) that are relatively prime to 20145831.
20145831 has 4 divisors, whose sum is 26861112
The reverse of 20145831 is 13854102
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred forty-five thousand eight hundred thirty-one
Scientific notation
2.0145831 × 10^7
Engineering notation
2.0145831 × 10^6
Prime Factorization
3 × 6715277
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20145831
Product of the distinct prime numbers
The prime factorization of 20145831 is 3 × 6715277.
Since it has a total of 2 prime factors.
3 , 6 , 71 , 75 , 401 , 45 , 8089 , 1596 , 59926 , 45378 , 419178 , 521741 , 211542 , 4051793 , 35343893 , 42158434 , 228448694 , 622347603 , 7763101871 , 6199925549
n×2
40291662
n×3
60437493
n×4
80583324
n×5
100729155
n÷2
10072915.5
n÷3
6715277
n÷3
5036457.75
n÷5
4029166.2
n2
405854506680561
n3
8.176276302175E+21
n4
1.6471788059292E+29
n5
3.3183785851032E+36
2 √n
4488.4107432364
3 √n
272.09990833133
4 √n
66.995602417147
5 √n
28.895954000579
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20145830
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20145831 can be divided by 4 positive divisors.
The sum of these divisors (counting 20145831) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110110011010100111
3
Ternary
1101220111212220
4
Quaternary
1030312122213
5
Quinary
20124131311
6
Senary
1555443423
8
Octal
114663247
10
Decimal
20145831
12
Duodecimal
68b6573
16
Hexadecimal
13366a7
20
Vigesimal
65i4bb
36
Base36
bzsmf
md5
51bdff8c357c79cd71a1cdebe2f93a33
sha1
5ea713a18b70de97fc9f1941c85b244a00d4f1b4
sha256
8f0eba2c85e1b896657d72082860b7e830415152afb6fcddac5f7fd895f046ce
sha512
e640cfb67067a7a599e4af8f7c4ab9018a62b524b99832ee7f09837af44adc4d12afc0f0edf79e79b1a549fa950e80831279f3d42512c5a834dc64f130033036
ripemd-160
80572d83c45309dff75133d2c1f59648a7126494
Diameter
40291662
Circumference
126579989.34012
Area
1.275029536614E+15
Volume
3.4248706086178E+22
Surface area
5.1001181464558E+15
Circumference
126579989.34012
Perimeter
80583324
Area
405854506680561
Diagonal
28490507.425476
Surface area
2435127040083366
Volume
8.176276302175E+21
Space diagonal
34893602.852696
Perimeter
60437493
Area
1.7574015651288E+14
Altitude
17446801.426348
Surface area
1.7574015651288E+14
Volume
9.6358340302046E+20
Height
9496835.8084921