72180881 is an odd 8-digits composite number following 72180880
and preceding 72180882 . In scientific notation, it is written as 7.2180881 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 72151332 positive integers (up to 72180881) that are relatively prime to 72180881.
72180881 has 4 divisors, whose sum is 72210432
The reverse of 72180881 is 18808127
Previous prime number is 26863
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
seventy-two million one hundred eighty thousand eight hundred eighty-one
Scientific notation
7.2180881 × 10^7
Engineering notation
7.2180881 × 10^6
Prime Factorization
26863 × 2687
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72180881
Product of the distinct prime numbers
The prime factorization of 72180881 is 26863 × 2687.
Since it has a total of 2 prime factors.
7 , 10 , 32 , 39 , 871 , 562 , 3472 , 724 , 5204 , 73284 , 904899 , 771829 , 2112867 , 7753796 , 99035313 , 95833459 , 805415664 , 292678834 , 8632204281 , 5046348274
n×2
144361762
n×3
216542643
n×4
288723524
n×5
360904405
n÷2
36090440.5
n÷3
24060293.666667
n÷3
18045220.25
n÷5
14436176.2
n2
5210079581936161
n3
3.7606813430426E+23
n4
2.7144929250108E+31
n5
1.9593449079555E+39
2 √n
8495.9332035981
3 √n
416.3648507277
4 √n
92.173386634093
5 √n
37.297904764567
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72180880
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72180881 can be divided by 4 positive divisors.
The sum of these divisors (counting 72180881) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010011010110010010010001
3
Ternary
12000211011112222
4
Quaternary
10103112102101
5
Quinary
121434242011
6
Senary
11055030425
8
Octal
423262221
10
Decimal
72180881
12
Duodecimal
2020b415
16
Hexadecimal
44d6491
20
Vigesimal
12b2c41
36
Base36
16z34h
md5
2a615d524760fd7ed75daee4797ef293
sha1
81c978ec8bd350ec716e81a1aa9c55bd5457b11f
sha256
a367ce0add424317e7e045a4c7551b0cdf5ed85ec63670205c507c1f22e8f9aa
sha512
bc2bccf2c24572e20d521d690c5c97b134e6f3f6fa385f64aeb2a160f2c97e209c4f118090af88e538053d09c405eeca517af4006a2889233ed92419f302b526
ripemd-160
b27363503b18bd514a83cc2ce1f6aedcc66c8fea
Diameter
144361762
Circumference
453525850.95848
Area
1.6367947739229E+16
Volume
1.575270517306E+24
Surface area
6.5471790956915E+16
Circumference
453525850.95848
Perimeter
288723524
Area
5210079581936161
Diagonal
102079180.85424
Surface area
31260477491616966
Volume
3.7606813430426E+23
Space diagonal
125020953.22708
Perimeter
216542643
Area
2.2560306368477E+15
Altitude
62510476.613542
Surface area
2.2560306368477E+15
Volume
4.432005465912E+22
Height
34026393.618079