72688909 is an odd 8-digits prime number following 72688908
and preceding 72688910 . In scientific notation, it is written as 7.2688909 × 10^7.
The sum of its digits is 49. It has a total of 1 prime factors and 2 positive divisors.
There are 72688908 positive integers (up to 72688909) that are relatively prime to 72688909.
72688909 has 2 divisors, whose sum is 72688910
The reverse of 72688909 is 90988627
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
seventy-two million six hundred eighty-eight thousand nine hundred nine
Scientific notation
7.2688909 × 10^7
Engineering notation
7.2688909 × 10^6
Prime Factorization
72688909
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
72688909
Product of the distinct prime numbers
The prime factorization of 72688909 is 72688909.
Since it has a total of 1 prime factors.
3 , 1 , 99 , 40 , 457 , 391 , 9019 , 3084 , 53623 , 70835 , 934803 , 863079 , 1420968 , 9869975 , 77415967 , 38657148 , 500766340 , 21598029 , 8791840185 , 1061631846
n×2
145377818
n×3
218066727
n×4
290755636
n×5
363444545
n÷2
36344454.5
n÷3
24229636.333333
n÷3
18172227.25
n÷5
14537781.8
n2
5283677491610281
n3
3.8406475237301E+23
n4
2.7917247835349E+31
n5
2.0292742874341E+39
2 √n
8525.779084635
3 √n
417.33939631679
4 √n
92.335145446547
5 √n
37.35026006531
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
72688910
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
36344455
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8525.7791432807
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999724855
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72688909 can be divided by 2 positive divisors.
The sum of these divisors (counting 72688909) is 72688910, the average is 36344455.
Base
System
Value
2
Binary
100010101010010010100001101
3
Ternary
12001202222102211
4
Quaternary
10111102110031
5
Quinary
122102021114
6
Senary
11113550421
8
Octal
425222415
10
Decimal
72688909
12
Duodecimal
20415411
16
Hexadecimal
455250d
20
Vigesimal
12e6259
36
Base36
179z4d
md5
3367e422642ef4b01ffa66eee8f96f7a
sha1
b809f1af2eb341a21ff5b5654df8ea0060c90765
sha256
3d4a0d638b413f07b10a5ae34a795d669418c73cb886dd26ea163de306e35787
sha512
31add04a31017e6860d13ffdd1a5c5baf97a5c10a28dfc7acfa857341af3384726c40d50829e93321742ff9e35af2888872ac8a5622d51e1b6fec4816a8d2681
ripemd-160
609cbd046878b6349f834fe702baa163cceb79b1
Diameter
145377818
Circumference
456717885.02371
Area
1.6599162391581E+16
Volume
1.6087666727438E+24
Surface area
6.6396649566322E+16
Circumference
456717885.02371
Perimeter
290755636
Area
5283677491610281
Diagonal
102797640.9419
Surface area
31702064949661686
Volume
3.8406475237301E+23
Space diagonal
125900883.53475
Perimeter
218066727
Area
2.2878994665693E+15
Altitude
62950441.767375
Surface area
2.2878994665693E+15
Volume
4.5262465136281E+22
Height
34265880.313968