72181874 is an even 8-digits composite number following 72181873
and preceding 72181875 . In scientific notation, it is written as 7.2181874 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 34191396 positive integers (up to 72181874) that are relatively prime to 72181874.
72181874 has 8 divisors, whose sum is 113971440
The reverse of 72181874 is 47818127
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-two million one hundred eighty-one thousand eight hundred seventy-four
Scientific notation
7.2181874 × 10^7
Engineering notation
7.2181874 × 10^6
Prime Factorization
2 × 19 × 1899523
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72181874
Product of the distinct prime numbers
The prime factorization of 72181874 is 2 × 19 × 1899523.
Since it has a total of 3 prime factors.
10 , 7 , 18 , 90 , 979 , 879 , 1770 , 9430 , 71505 , 38672 , 680766 , 826460 , 3095133 , 7353062 , 73511742 , 66565631 , 293355318 , 994229413 , 5076302091 , 7793795159
n×2
144363748
n×3
216545622
n×4
288727496
n×5
360909370
n÷2
36090937
n÷3
24060624.666667
n÷3
18045468.5
n÷5
14436374.8
n2
5210222934151876
n3
3.7608365534486E+23
n4
2.7146423023562E+31
n5
1.9594796862375E+39
2 √n
8495.9916431221
3 √n
416.36676004401
4 √n
92.173703642211
5 √n
37.298007386245
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
-72181873
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 72181874 can be divided by 8 positive divisors.
The sum of these divisors (counting 72181874) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010011010110100001110010
3
Ternary
12000211012220202
4
Quaternary
10103112201302
5
Quinary
121434304444
6
Senary
11055035202
8
Octal
423264162
10
Decimal
72181874
12
Duodecimal
2020bb02
16
Hexadecimal
44d6872
20
Vigesimal
12b2ede
36
Base36
16z3w2
md5
38ed0cc47dd1ea752c3152ecf26f29a4
sha1
1cfa6654745136342074e5d9a7e7934132b0d978
sha256
6446625d9fda920b20c50a27a37445f7ff65db411e122ea0c82ed27d5932bd94
sha512
783fc8d3d07e4225ac0b5367d02dc992cc0a0c269df0243f5c1438ded34c3430001f0ea7a9280ebb1ddd3cdeaa4c31ea90b38353722247ea0589adc3da52ffd8
ripemd-160
4d655910c9035d1a8569c7c49756f77850e141b1
Diameter
144363748
Circumference
453532090.16149
Area
1.6368398093497E+16
Volume
1.5753355316888E+24
Surface area
6.5473592373986E+16
Circumference
453532090.16149
Perimeter
288727496
Area
5210222934151876
Diagonal
102080585.16831
Surface area
31261337604911256
Volume
3.7608365534486E+23
Space diagonal
125022673.15353
Perimeter
216545622
Area
2.2560927101779E+15
Altitude
62511336.576767
Surface area
2.2560927101779E+15
Volume
4.4321883831296E+22
Height
34026861.722769