72487856 is an even 8-digits composite number following 72487855
and preceding 72487857 . In scientific notation, it is written as 7.2487856 × 10^7.
The sum of its digits is 47. It has a total of 7 prime factors and 30 positive divisors.
There are 31065888 positive integers (up to 72487856) that are relatively prime to 72487856.
72487856 has 30 divisors, whose sum is 163376820
The reverse of 72487856 is 65878427
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
seventy-two million four hundred eighty-seven thousand eight hundred fifty-six
Scientific notation
7.2487856 × 10^7
Engineering notation
7.2487856 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 7 × 7 × 92459
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1294426
Product of the distinct prime numbers
The prime factorization of 72487856 is 2 × 2 × 2 × 2 × 7 × 7 × 92459.
Since it has a total of 7 prime factors.
4 , 1 , 48 , 57 , 804 , 268 , 1159 , 1322 , 31614 , 39413 , 987726 , 182522 , 4597120 , 2212643 , 13616097 , 4153065 , 740077867 , 511695669 , 7305153259 , 6253840226
n×2
144975712
n×3
217463568
n×4
289951424
n×5
362439280
n÷2
36243928
n÷3
24162618.666667
n÷3
18121964
n÷5
14497571.2
n2
5254489267476736
n3
3.808866613744E+23
n4
2.7609657462028E+31
n5
2.0013648743168E+39
2 √n
8513.9800328636
3 √n
416.9542627445
4 √n
92.271230797381
5 √n
37.329575468586
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 49 , 56 , 98 , 112 , 196 , 392 , 784 , 92459 , 184918 , 369836 , 647213 , 739672 , 1294426 , 1479344 , 2588852 , 4530491 , 5177704 , 9060982 , 10355408 , 18121964 , 36243928 , 72487856
30 divisors
τ
Total Divisors
30
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72487855
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.033333333333333
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
30
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72487856 can be divided by 30 positive divisors.
The sum of these divisors (counting 72487856) is 1, the average is 0.033333333333333.
Base
System
Value
2
Binary
100010100100001001110110000
3
Ternary
12001101202122102
4
Quaternary
10110201032300
5
Quinary
122024102411
6
Senary
11105355532
8
Octal
424411660
10
Decimal
72487856
12
Duodecimal
20338ba8
16
Hexadecimal
45213b0
20
Vigesimal
12d0jcg
36
Base36
175nzk
md5
9388927d769dc685bb1cab914ef1aa68
sha1
5ab6fb6f4e0ed69b8b0fad18cfe4ee83990cf5a1
sha256
96b13cdf65e61d31fe09ae5ec92015db3b8280526ac31f39fecd451902ede611
sha512
ec6d23d81e1f037c1f69518357b65bb83342e280342bf8b60f8efce7d19c0ac2b2f7dfc236299281e9b52c38ec9f02c69887be80d4aaca2018050927ef2ee848
ripemd-160
7ec0df460ab734a03c165a232bc7e7348e233f7b
Diameter
144975712
Circumference
455454631.76815
Area
1.6507464881071E+16
Volume
1.5954543162989E+24
Surface area
6.6029859524285E+16
Circumference
455454631.76815
Perimeter
289951424
Area
5254489267476736
Diagonal
102513309.06255
Surface area
31526935604860416
Volume
3.808866613744E+23
Space diagonal
125552649.52374
Perimeter
217463568
Area
2.2752605947738E+15
Altitude
62776324.761868
Surface area
2.2752605947738E+15
Volume
4.4887923520224E+22
Height
34171103.020849