72605639 is an odd 8-digits composite number following 72605638
and preceding 72605640 . In scientific notation, it is written as 7.2605639 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 72389856 positive integers (up to 72605639) that are relatively prime to 72605639.
72605639 has 4 divisors, whose sum is 72821424
The reverse of 72605639 is 93650627
Previous prime number is 337
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-two million six hundred five thousand six hundred thirty-nine
Scientific notation
7.2605639 × 10^7
Engineering notation
7.2605639 × 10^6
Prime Factorization
337 × 215447
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72605639
Product of the distinct prime numbers
The prime factorization of 72605639 is 337 × 215447.
Since it has a total of 2 prime factors.
9 , 8 , 16 , 46 , 254 , 487 , 8259 , 7369 , 47437 , 84195 , 713214 , 968992 , 1676257 , 4717798 , 12150081 , 63383872 , 846045527 , 687418783 , 437078464 , 7837331795
n×2
145211278
n×3
217816917
n×4
290422556
n×5
363028195
n÷2
36302819.5
n÷3
24201879.666667
n÷3
18151409.75
n÷5
14521127.8
n2
5271578814598321
n3
3.8274634837277E+23
n4
2.7789543198522E+31
n5
2.0176775414468E+39
2 √n
8520.8942605809
3 √n
417.17997204033
4 √n
92.308690059934
5 √n
37.341698697873
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
-72605638
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 72605639 can be divided by 4 positive divisors.
The sum of these divisors (counting 72605639) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010100111101111111000111
3
Ternary
12001121202012202
4
Quaternary
10110331333013
5
Quinary
122041340024
6
Senary
11112105115
8
Octal
424757707
10
Decimal
72605639
12
Duodecimal
2039519b
16
Hexadecimal
453dfc7
20
Vigesimal
12dfe1j
36
Base36
1786vb
md5
fbbc65a243e301827903256b07f0e6f2
sha1
c77a8292d1ea480da4272786e37549e154e1764b
sha256
dd5886ac964c778a4b59bbb22ad4bf57b4a440d0781f632cc7eddb4f4fdbb896
sha512
3a424227481f921f8dcaa18704aea4af95e1f8780d5c57ee984f35abf381e8fc20ad189e2f835fd9dfffff74292eac1ece4cf309b3b40b327f4ce6472e4cd08b
ripemd-160
cf37ff517c54a473d49ed5e28b36e885a8c5f7cf
Diameter
145211278
Circumference
456194684.18319
Area
1.6561153276762E+16
Volume
1.6032441549816E+24
Surface area
6.6244613107047E+16
Circumference
456194684.18319
Perimeter
290422556
Area
5271578814598321
Diagonal
102679879.37856
Surface area
31629472887589926
Volume
3.8274634837277E+23
Space diagonal
125756655.664
Perimeter
217816917
Area
2.282660585747E+15
Altitude
62878327.832002
Surface area
2.282660585747E+15
Volume
4.5107089734796E+22
Height
34226626.459522