72742761 is an odd 8-digits composite number following 72742760
and preceding 72742762 . In scientific notation, it is written as 7.2742761 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 38369376 positive integers (up to 72742761) that are relatively prime to 72742761.
72742761 has 24 divisors, whose sum is 129321920
The reverse of 72742761 is 16724727
Previous prime number is 7
Is Prime? no Number parity odd Number length 8 Sum of Digits 36 Digital Root 9
Name
seventy-two million seven hundred forty-two thousand seven hundred sixty-one
Scientific notation
7.2742761 × 10^7
Engineering notation
7.2742761 × 10^6
Prime Factorization
3 × 13 × 3 × 7 × 88819
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
24247587 Product of the distinct prime numbers
The prime factorization of 72742761 is 3 × 13 × 3 × 7 × 88819.
Since it has a total of 5 prime factors.
8 , 7 , 62 , 62 , 42 , 655 , 2531 , 3423 , 29666 , 76850 , 696816 , 117890 , 4585460 , 1721947 , 71750169 , 28393571 , 598311700 , 520390187 , 5048189344 , 4015015490
n×2
145485522
n×3
218228283
n×4
290971044
n×5
363713805
n÷2
36371380.5
n÷3
24247587
n÷3
18185690.25
n÷5
14548552.2
n2
5291509277903121
n3
3.8491899473179E+23
n4
2.8000070438135E+31
n5
2.0368024318644E+39
2 √n8528.9366863637
3 √n417.44243364681
4 √n92.35224245444
5 √n37.355792657389
1 , 3 , 7 , 9 , 13 , 21 , 39 , 63 , 91 , 117 , 273 , 819 , 88819 , 266457 , 621733 , 799371 , 1154647 , 1865199 , 3463941 , 5595597 , 8082529 , 10391823 , 24247587 , 72742761
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-72742760 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72742761 can be divided by 24 positive divisors.
The sum of these divisors (counting 72742761) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100010101011111011101101001
3
Ternary
12001212201022100
4
Quaternary
10111133131221
5
Quinary
122110232021
6
Senary
11115044013
8
Octal
425373551
10
Decimal
72742761
12
Duodecimal
20440609
16
Hexadecimal
455f769
20
Vigesimal
12ecgi1
36
Base36
17b4o9
md5
1df49a27b5d15058a1c06e8f035adac2
sha1
c32ce73d730711bef537e7b8228b45b1b10d309d
sha256
041fed0878c89a1b2e4236d72085e434dc2e687fb3f590852efccd2cedbe83c6
sha512
90e72da01a8a7fe0e980f98094107e45a7c09da43d8d299fa324e8c6eea3ad26aa0237490bfacefbf655e4721aaae695706cc7290a894eb403789f50db44b813
ripemd-160
0cb10ba86c6576dccc9e012857b7187645bfd04f
Diameter
145485522
Circumference
457056247.11888
Area
1.6623766673863E+16
Volume
1.6123449147687E+24
Surface area
6.6495066695451E+16
Circumference
457056247.11888
Perimeter
290971044
Area
5291509277903121
Diagonal
102873799.17066
Surface area
31749055667418726
Volume
3.8491899473179E+23
Space diagonal
125994157.93484
Perimeter
218228283
Area
2.2912907295126E+15
Altitude
62997078.96742
Surface area
2.2912907295126E+15
Volume
4.5363138563726E+22
Height
34291266.390222