72391617 is an odd 8-digits composite number following 72391616
and preceding 72391618 . In scientific notation, it is written as 7.2391617 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 47911392 positive integers (up to 72391617) that are relatively prime to 72391617.
72391617 has 16 divisors, whose sum is 108024000
The reverse of 72391617 is 71619327
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
seventy-two million three hundred ninety-one thousand six hundred seventeen
Scientific notation
7.2391617 × 10^7
Engineering notation
7.2391617 × 10^6
Prime Factorization
3 × 9 × 139 × 19289
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72391617
Product of the distinct prime numbers
The prime factorization of 72391617 is 3 × 9 × 139 × 19289.
Since it has a total of 4 prime factors.
7 , 7 , 7 , 57 , 387 , 48 , 5074 , 9722 , 45651 , 14845 , 640377 , 452820 , 4632458 , 4329623 , 59028951 , 11689618 , 401025845 , 124854067 , 4353992532 , 3630021189
n×2
144783234
n×3
217174851
n×4
289566468
n×5
361958085
n÷2
36195808.5
n÷3
24130539
n÷3
18097904.25
n÷5
14478323.4
n2
5240546211874689
n3
3.7937161424083E+23
n4
2.7463324598794E+31
n5
1.9881144759026E+39
2 √n
8508.3263336569
3 √n
416.76965695888
4 √n
92.240589404323
5 √n
37.319658026939
1 , 3 , 9 , 27 , 139 , 417 , 1251 , 3753 , 19289 , 57867 , 173601 , 520803 , 2681171 , 8043513 , 24130539 , 72391617
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72391616
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72391617 can be divided by 16 positive divisors.
The sum of these divisors (counting 72391617) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010100001001101111000001
3
Ternary
12001012212122000
4
Quaternary
10110021233001
5
Quinary
122013012432
6
Senary
11103334213
8
Octal
424115701
10
Decimal
72391617
12
Duodecimal
202b1369
16
Hexadecimal
4509bc1
20
Vigesimal
12c8j0h
36
Base36
173lq9
md5
6f19f9e9ae6aa1903eae348eb11e94b0
sha1
c26e17fc54b3b62be97b220b5dcfb01a0956a871
sha256
94d288969087613d18ecebcb251bd6477eefe97b78e9a9a333145fc98a0c3ec3
sha512
d8cb1f34cf48c8c8d7a0144ea25e7f6c589cc196abb501575d26ba18c2476cd229a9a2ac5d4264cf85a212970656fb0d6aa45a73cdc61b1978129157adbd36d2
ripemd-160
59e02c3fbd200286b5abc1697512753742d2f5ef
Diameter
144783234
Circumference
454849944.29737
Area
1.6463661480023E+16
Volume
1.589108101706E+24
Surface area
6.5854645920093E+16
Circumference
454849944.29737
Perimeter
289566468
Area
5240546211874689
Diagonal
102377206.56352
Surface area
31443277271248134
Volume
3.7937161424083E+23
Space diagonal
125385958.68607
Perimeter
217174851
Area
2.2692230745949E+15
Altitude
62692979.343033
Surface area
2.2692230745949E+15
Volume
4.470937350323E+22
Height
34125735.521173