72090281 is an odd 8-digits composite number following 72090280
and preceding 72090282 . In scientific notation, it is written as 7.2090281 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 71687364 positive integers (up to 72090281) that are relatively prime to 72090281.
72090281 has 4 divisors, whose sum is 72493200
The reverse of 72090281 is 18209027
Previous prime number is 179
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
seventy-two million ninety thousand two hundred eighty-one
Scientific notation
7.2090281 × 10^7
Engineering notation
7.2090281 × 10^6
Prime Factorization
179 × 402739
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72090281
Product of the distinct prime numbers
The prime factorization of 72090281 is 179 × 402739.
Since it has a total of 2 prime factors.
2 , 5 , 39 , 40 , 996 , 208 , 2507 , 1924 , 11608 , 87345 , 453131 , 666420 , 6317413 , 7928722 , 79620996 , 97387729 , 187459502 , 353739403 , 7893765489 , 1904393669
n×2
144180562
n×3
216270843
n×4
288361124
n×5
360451405
n÷2
36045140.5
n÷3
24030093.666667
n÷3
18022570.25
n÷5
14418056.2
n2
5197008614658961
n3
3.7465381139019E+23
n4
2.7008898540839E+31
n5
1.9470790853096E+39
2 √n
8490.5995665795
3 √n
416.19057350971
4 √n
92.14444946159
5 √n
37.288536943059
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
-72090280
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 72090281 can be divided by 4 positive divisors.
The sum of these divisors (counting 72090281) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010011000000001010101001
3
Ternary
12000122120021102
4
Quaternary
10103000022221
5
Quinary
121423342111
6
Senary
11053051145
8
Octal
423001251
10
Decimal
72090281
12
Duodecimal
20186ab5
16
Hexadecimal
44c02a9
20
Vigesimal
12ab5e1
36
Base36
16x57t
md5
9a540f1e374e34e2f763f51c51a2d3d7
sha1
b40ff24be9df94a6387ddd12f07e16815aa10a0f
sha256
5b04542e59403a5361e4e67d852015c7fe75db0934e18c141c6eaf22ddb28f64
sha512
857af23346f9109335cef9dd8dec1c68ad59b54f43622003c4458256b19e555e642b99d6f10f623b544a29f1eb3b2adff62da0a67584411e8aacc3421540ae20
ripemd-160
20b6817309fc4d0acc9e62d250308828b9568cca
Diameter
144180562
Circumference
452956594.36965
Area
1.6326884084455E+16
Volume
1.5693462153371E+24
Surface area
6.5307536337822E+16
Circumference
452956594.36965
Perimeter
288361124
Area
5197008614658961
Diagonal
101951053.10549
Surface area
31182051687953766
Volume
3.7465381139019E+23
Space diagonal
124864029.42392
Perimeter
216270843
Area
2.2503707419906E+15
Altitude
62432014.711959
Surface area
2.2503707419906E+15
Volume
4.4153375105231E+22
Height
33983684.368496