72181684 is an even 8-digits composite number following 72181683
and preceding 72181685 . In scientific notation, it is written as 7.2181684 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 34191288 positive integers (up to 72181684) that are relatively prime to 72181684.
72181684 has 12 divisors, whose sum is 132966400
The reverse of 72181684 is 48618127
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
seventy-two million one hundred eighty-one thousand six hundred eighty-four
Scientific notation
7.2181684 × 10^7
Engineering notation
7.2181684 × 10^6
Prime Factorization
2 × 2 × 19 × 949759
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
36090842
Product of the distinct prime numbers
The prime factorization of 72181684 is 2 × 2 × 19 × 949759.
Since it has a total of 4 prime factors.
4 , 7 , 63 , 59 , 729 , 759 , 8001 , 9740 , 87988 , 19665 , 785191 , 472842 , 7638003 , 6177466 , 15910102 , 15681891 , 112145467 , 336626953 , 8470064232 , 1811123762
n×2
144363368
n×3
216545052
n×4
288726736
n×5
360908420
n÷2
36090842
n÷3
24060561.333333
n÷3
18045421
n÷5
14436336.8
n2
5210195505075856
n3
3.7608068552561E+23
n4
2.7146137201113E+31
n5
1.9594538972714E+39
2 √n
8495.9804613711
3 √n
416.36639471798
4 √n
92.173642986328
5 √n
37.297987750764
1 , 2 , 4 , 19 , 38 , 76 , 949759 , 1899518 , 3799036 , 18045421 , 36090842 , 72181684
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72181683
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72181684 can be divided by 12 positive divisors.
The sum of these divisors (counting 72181684) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010011010110011110110100
3
Ternary
12000211012122201
4
Quaternary
10103112132310
5
Quinary
121434303214
6
Senary
11055034244
8
Octal
423263664
10
Decimal
72181684
12
Duodecimal
2020b984
16
Hexadecimal
44d67b4
20
Vigesimal
12b2e44
36
Base36
16z3qs
md5
927d76ae580083d097f3105cc74b59e0
sha1
7f8045e0b149d7c9caf32a533f60cc8338e34fab
sha256
f7197b12c6c71e76202d9608d8317f50f063654bc8f86824671facf74c3d7cff
sha512
a72f6925b89bed9e6c946d2378f6d43b516f0420505513482de6fdb07679136450567a1f7e6f01401a81d58386ff6effc1160ec23795c9f8991b99126cfe49ee
ripemd-160
7c041b9021afa7ae0724dbe212a4d8173d8f1a3e
Diameter
144363368
Circumference
453530896.35628
Area
1.6368311922513E+16
Volume
1.575323091739E+24
Surface area
6.5473247690051E+16
Circumference
453530896.35628
Perimeter
288726736
Area
5210195505075856
Diagonal
102080316.46773
Surface area
31261173030455136
Volume
3.7608068552561E+23
Space diagonal
125022344.06388
Perimeter
216545052
Area
2.2560808330396E+15
Altitude
62511172.031941
Surface area
2.2560808330396E+15
Volume
4.432153383474E+22
Height
34026772.15591