72655987 is an odd 8-digits composite number following 72655986
and preceding 72655988 . In scientific notation, it is written as 7.2655987 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 72134400 positive integers (up to 72655987) that are relatively prime to 72655987.
72655987 has 8 divisors, whose sum is 73180080
The reverse of 72655987 is 78955627
Previous prime number is 409
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
seventy-two million six hundred fifty-five thousand nine hundred eighty-seven
Scientific notation
7.2655987 × 10^7
Engineering notation
7.2655987 × 10^6
Prime Factorization
443 × 409 × 401
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72655987
Product of the distinct prime numbers
The prime factorization of 72655987 is 443 × 409 × 401.
Since it has a total of 3 prime factors.
3 , 5 , 11 , 37 , 552 , 489 , 1878 , 6193 , 17539 , 78309 , 650048 , 30541 , 8992694 , 2814494 , 87121808 , 11784738 , 134984120 , 29871205 , 7067697287 , 802298303
n×2
145311974
n×3
217967961
n×4
290623948
n×5
363279935
n÷2
36327993.5
n÷3
24218662.333333
n÷3
18163996.75
n÷5
14531197.4
n2
5278892446944169
n3
3.8354314099957E+23
n4
2.7866705466404E+31
n5
2.0246829900999E+39
2 √n
8523.8481333257
3 √n
417.27638018122
4 √n
92.324688644618
5 √n
37.346876143031
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72655986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72655987 can be divided by 8 positive divisors.
The sum of these divisors (counting 72655987) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010101001010010001110011
3
Ternary
12001201022021111
4
Quaternary
10111022101303
5
Quinary
122044442422
6
Senary
11113134151
8
Octal
425122163
10
Decimal
72655987
12
Duodecimal
203ba357
16
Hexadecimal
454a473
20
Vigesimal
12e1jj7
36
Base36
1799pv
md5
53a609ec622965e9651e0dfb0d3fa764
sha1
e2c3f6cd3cbb2e3d74a313c1493737bfd231ba86
sha256
6889b3917e5721198ae84f097c5bb159e1b3fa9012b39bc940a7a53ff6ab4518
sha512
37c628ee0a22e201bfedc47753359545e13f95a320153aaf2132587163f14564da3b45c898331977043b68757a6e98a13d6b58d56778e881da919a2fcb5720f0
ripemd-160
12e5a207eea65e54c9cec1a2f057dbd272f36b30
Diameter
145311974
Circumference
456511029.99703
Area
1.658412973041E+16
Volume
1.606581752132E+24
Surface area
6.6336518921642E+16
Circumference
456511029.99703
Perimeter
290623948
Area
5278892446944169
Diagonal
102751082.203
Surface area
31673354681665014
Volume
3.8354314099957E+23
Space diagonal
125843860.95806
Perimeter
217967961
Area
2.2858274814497E+15
Altitude
62921930.479032
Surface area
2.2858274814497E+15
Volume
4.5200992646398E+22
Height
34250360.734334