20181372 is an even 8-digits composite number following 20181371
and preceding 20181373 . In scientific notation, it is written as 2.0181372 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 24 positive divisors.
There are 6510000 positive integers (up to 20181372) that are relatively prime to 20181372.
20181372 has 24 divisors, whose sum is 48609792
The reverse of 20181372 is 27318102
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred eighty-one thousand three hundred seventy-two
Scientific notation
2.0181372 × 10^7
Engineering notation
2.0181372 × 10^6
Prime Factorization
2 × 2 × 3 × 31 × 54251
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10090686
Product of the distinct prime numbers
The prime factorization of 20181372 is 2 × 2 × 3 × 31 × 54251.
Since it has a total of 5 prime factors.
6 , 7 , 64 , 83 , 470 , 626 , 9607 , 5900 , 72083 , 43805 , 79776 , 675388 , 1002801 , 7248221 , 1253915 , 98493145 , 112123896 , 494773851 , 4954600617 , 5103996895
n×2
40362744
n×3
60544116
n×4
80725488
n×5
100906860
n÷2
10090686
n÷3
6727124
n÷3
5045343
n÷5
4036274.4
n2
407287775802384
n3
8.2196261145205E+21
n4
1.6588333231805E+29
n5
3.3477532381102E+36
2 √n
4492.3681950615
3 √n
272.25982597443
4 √n
67.025131070827
5 √n
28.906142382938
1 , 2 , 3 , 4 , 6 , 12 , 31 , 62 , 93 , 124 , 186 , 372 , 54251 , 108502 , 162753 , 217004 , 325506 , 651012 , 1681781 , 3363562 , 5045343 , 6727124 , 10090686 , 20181372
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20181371
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20181372 can be divided by 24 positive divisors.
The sum of these divisors (counting 20181372) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100111111000101111100
3
Ternary
1101222022122020
4
Quaternary
1030333011330
5
Quinary
20131300442
6
Senary
2000320140
8
Octal
114770574
10
Decimal
20181372
12
Duodecimal
6913050
16
Hexadecimal
133f17c
20
Vigesimal
662d8c
36
Base36
c0k1o
md5
1425f6473e493014a32bd705b0d92cfe
sha1
d96005c01c4ecc42387de443e6df496c4cdee187
sha256
d42d2b4cf12c9052f3e84f2c90db552ea28d07e344af2f1c1d9ed29458fd1cdc
sha512
9b63e7d3139bd87aaf30a485e36bdc91b6f70705c3b3fe9dfc0cad95b6cb93580be677d08a1af413ff922adb1adc96a276b50f687722174ed04bbab6efde67c3
ripemd-160
6d9fe7918ced5bc32333ef066b626a623698cbd4
Diameter
40362744
Circumference
126803300.02913
Area
1.2795322843577E+15
Volume
3.443028935551E+22
Surface area
5.1181291374308E+15
Circumference
126803300.02913
Perimeter
80725488
Area
407287775802384
Diagonal
28540769.989697
Surface area
2443726654814304
Volume
8.2196261145205E+21
Space diagonal
34955161.670448
Perimeter
60544116
Area
1.7636078024786E+14
Altitude
17477580.835224
Surface area
1.7636078024786E+14
Volume
9.6869222739925E+20
Height
9513589.9965655