20021345 is an odd 8-digits composite number following 20021344
and preceding 20021346 . In scientific notation, it is written as 2.0021345 × 10^7.
The sum of its digits is 17. It has a total of 4 prime factors and 16 positive divisors.
There are 14961024 positive integers (up to 20021345) that are relatively prime to 20021345.
20021345 has 16 divisors, whose sum is 25645440
The reverse of 20021345 is 54312002
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million twenty-one thousand three hundred forty-five
Scientific notation
2.0021345 × 10^7
Engineering notation
2.0021345 × 10^6
Prime Factorization
5 × 19 × 73 × 2887
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20021345
Product of the distinct prime numbers
The prime factorization of 20021345 is 5 × 19 × 73 × 2887.
Since it has a total of 4 prime factors.
10 , 8 , 84 , 15 , 148 , 509 , 6023 , 1840 , 45177 , 4997 , 515215 , 474239 , 1124155 , 2298298 , 26369843 , 85731894 , 492124720 , 548899776 , 2066609864 , 4301401058
n×2
40042690
n×3
60064035
n×4
80085380
n×5
100106725
n÷2
10010672.5
n÷3
6673781.6666667
n÷3
5005336.25
n÷5
4004269
n2
400854255609025
n3
8.0256413462665E+21
n4
1.6068413423987E+29
n5
3.2171124876427E+36
2 √n
4474.5217621551
3 √n
271.53829273341
4 √n
66.891866188313
5 √n
28.860154376497
1 , 5 , 19 , 73 , 95 , 365 , 1387 , 2887 , 6935 , 14435 , 54853 , 210751 , 274265 , 1053755 , 4004269 , 20021345
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
-20021344
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 20021345 can be divided by 16 positive divisors.
The sum of these divisors (counting 20021345) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100011000000001100001
3
Ternary
1101200012010022
4
Quaternary
1030120001201
5
Quinary
20111140340
6
Senary
1553043225
8
Octal
114300141
10
Decimal
20021345
12
Duodecimal
6856515
16
Hexadecimal
1318061
20
Vigesimal
652d75
36
Base36
bx4kh
md5
3d1383a177fe2d004a568a8ec4d15a9a
sha1
e7dcaf23410a39c543a657ee5a8cb0bfbff40e24
sha256
ecf947adf039c80d98820950d5cc65dde68154ebae7586d117b0dc80671954d3
sha512
1577049e10426ac99279f024b2ff538a2af51f87ca088ea8d389762b85ad1c05728af4f48fedd61d514b407147dd776ed434c8fbb3e56446d14c0ad936b72cef
ripemd-160
8945450f85822d4b4e6640e03e926a9b7abb9141
Diameter
40042690
Circumference
125797820.73397
Area
1.2593207845815E+15
Volume
3.361772785837E+22
Surface area
5.0372831383261E+15
Circumference
125797820.73397
Perimeter
80085380
Area
400854255609025
Diagonal
28314457.635951
Surface area
2405125533654150
Volume
8.0256413462665E+21
Space diagonal
34677986.775865
Perimeter
60064035
Area
1.7357498428626E+14
Altitude
17338993.387933
Surface area
1.7357498428626E+14
Volume
9.4583090321936E+20
Height
9438152.5453169