20072145 is an odd 8-digits composite number following 20072144
and preceding 20072146 . In scientific notation, it is written as 2.0072145 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 10684800 positive integers (up to 20072145) that are relatively prime to 20072145.
20072145 has 8 divisors, whose sum is 21451008
The reverse of 20072145 is 54127002
Previous prime number is 743
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million seventy-two thousand one hundred forty-five
Scientific notation
2.0072145 × 10^7
Engineering notation
2.0072145 × 10^6
Prime Factorization
15 × 743 × 1801
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20072145
Product of the distinct prime numbers
The prime factorization of 20072145 is 15 × 743 × 1801.
Since it has a total of 3 prime factors.
8 , 6 , 61 , 81 , 670 , 404 , 6816 , 7435 , 64150 , 39923 , 9400 , 993657 , 9741092 , 8805346 , 53861210 , 77118088 , 782133973 , 101677360 , 237633169 , 5679216282
n×2
40144290
n×3
60216435
n×4
80288580
n×5
100360725
n÷2
10036072.5
n÷3
6690715
n÷3
5018036.25
n÷5
4014429
n2
402891004901025
n3
8.0868866695691E+21
n4
1.6232116183016E+29
n5
3.2581338968234E+36
2 √n
4480.1947502313
3 √n
271.76775609025
4 √n
66.934256925966
5 √n
28.874784863491
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
-20072144
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 20072145 can be divided by 8 positive divisors.
The sum of these divisors (counting 20072145) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100100100011011010001
3
Ternary
1101202202210210
4
Quaternary
1030210123101
5
Quinary
20114302040
6
Senary
1554114333
8
Octal
114443321
10
Decimal
20072145
12
Duodecimal
687b9a9
16
Hexadecimal
13246d1
20
Vigesimal
659075
36
Base36
by7rl
md5
64d236fad97925ec3d508e6db4e3a2d2
sha1
07b67db2f49f2481862aea1f458745d13f39cb94
sha256
fb5a3594b4dad15102b074071c64c239f605e3ddbec28c5708193999c260a7c9
sha512
3b7c136df31576eb5a4726d464c117732dd495e44144b831af1a98176afe1f1bf62496b134b1aa7890256750e3113ab18baa07935f78bd7fa1c96f3a19c85a4b
ripemd-160
446b6ae2a839d9652cc413c80c3ef42c8feba380
Diameter
40144290
Circumference
126117006.54758
Area
1.2657194211945E+15
Volume
3.3874271668709E+22
Surface area
5.0628776847779E+15
Circumference
126117006.54758
Perimeter
80288580
Area
402891004901025
Diagonal
28386299.684919
Surface area
2417346029406150
Volume
8.0868866695691E+21
Space diagonal
34765974.95689
Perimeter
60216435
Area
1.7445692260026E+14
Altitude
17382987.478445
Surface area
1.7445692260026E+14
Volume
9.530487337899E+20
Height
9462099.8949731