72038561 is an odd 8-digits composite number following 72038560
and preceding 72038562 . In scientific notation, it is written as 7.2038561 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 61747332 positive integers (up to 72038561) that are relatively prime to 72038561.
72038561 has 4 divisors, whose sum is 82329792
The reverse of 72038561 is 16583027
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
seventy-two million thirty-eight thousand five hundred sixty-one
Scientific notation
7.2038561 × 10^7
Engineering notation
7.2038561 × 10^6
Prime Factorization
7 × 10291223
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72038561
Product of the distinct prime numbers
The prime factorization of 72038561 is 7 × 10291223.
Since it has a total of 2 prime factors.
8 , 10 , 94 , 65 , 199 , 699 , 9273 , 628 , 20741 , 32007 , 327467 , 614817 , 7416914 , 3697834 , 6363694 , 30621216 , 674076913 , 533582580 , 7009301636 , 7544221041
n×2
144077122
n×3
216115683
n×4
288154244
n×5
360192805
n÷2
36019280.5
n÷3
24012853.666667
n÷3
18009640.25
n÷5
14407712.2
n2
5189554270950721
n3
3.7384802191069E+23
n4
2.6931473531143E+31
n5
1.9401045987931E+39
2 √n
8487.5532988017
3 √n
416.09101997816
4 √n
92.127918129098
5 √n
37.283184996059
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
-72038560
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 72038561 can be divided by 4 positive divisors.
The sum of these divisors (counting 72038561) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010010110011100010100001
3
Ternary
12000112221022212
4
Quaternary
10102303202201
5
Quinary
121420213221
6
Senary
11052011505
8
Octal
422634241
10
Decimal
72038561
12
Duodecimal
20160b95
16
Hexadecimal
44b38a1
20
Vigesimal
12a4g81
36
Base36
16w1b5
md5
aab00c576a9c74720f714213161635db
sha1
e4bc18f8e07ef3cdc833645f7b5a631c6e288142
sha256
cc29d7b57d22d46989e9ae0a77a772b2849504c74eafba9a44ae1f7c7508b098
sha512
b5d483ba12b52ee78eae5ba152efeb0fb2e1d34bb1dcb6c16fb837cd5670dc41ce893facce82a93a8aeaa955d1691231fcd892520b9ea875fa466ac853c0c2ba
ripemd-160
42c4a16ef341fba2b86ae2930ccce3e7db9c178f
Diameter
144077122
Circumference
452631628.02556
Area
1.6303465573024E+16
Volume
1.5659709322583E+24
Surface area
6.5213862292097E+16
Circumference
452631628.02556
Perimeter
288154244
Area
5189554270950721
Diagonal
101877909.98004
Surface area
31137325625704326
Volume
3.7384802191069E+23
Space diagonal
124774447.75615
Perimeter
216115683
Area
2.2471429164807E+15
Altitude
62387223.878075
Surface area
2.2471429164807E+15
Volume
4.4058411904371E+22
Height
33959303.326681