72672891 is an odd 8-digits composite number following 72672890
and preceding 72672892 . In scientific notation, it is written as 7.2672891 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 45342720 positive integers (up to 72672891) that are relatively prime to 72672891.
72672891 has 16 divisors, whose sum is 103232640
The reverse of 72672891 is 19827627
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-two million six hundred seventy-two thousand eight hundred ninety-one
Scientific notation
7.2672891 × 10^7
Engineering notation
7.2672891 × 10^6
Prime Factorization
3 × 83 × 19 × 15361
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72672891
Product of the distinct prime numbers
The prime factorization of 72672891 is 3 × 83 × 19 × 15361.
Since it has a total of 4 prime factors.
1 , 3 , 67 , 96 , 400 , 342 , 4043 , 2335 , 47136 , 88296 , 429672 , 516749 , 5738739 , 468726 , 92041546 , 32833926 , 836819323 , 644409976 , 7950337566 , 3077421744
n×2
145345782
n×3
218018673
n×4
290691564
n×5
363364455
n÷2
36336445.5
n÷3
24224297
n÷3
18168222.75
n÷5
14534578.2
n2
5281349086297881
n3
3.8381090648148E+23
n4
2.7892648171339E+31
n5
2.0270393802571E+39
2 √n
8524.8396465857
3 √n
417.30873857435
4 √n
92.33005819659
5 √n
37.348613791576
1 , 3 , 19 , 57 , 83 , 249 , 1577 , 4731 , 15361 , 46083 , 291859 , 875577 , 1274963 , 3824889 , 24224297 , 72672891
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72672890
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72672891 can be divided by 16 positive divisors.
The sum of these divisors (counting 72672891) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010101001110011001111011
3
Ternary
12001202011110120
4
Quaternary
10111032121323
5
Quinary
122101013031
6
Senary
11113344323
8
Octal
425163173
10
Decimal
72672891
12
Duodecimal
204080a3
16
Hexadecimal
454e67b
20
Vigesimal
12e424b
36
Base36
179mrf
md5
3be9ca0e430094843f89124be0cc5540
sha1
1077cd7c47b196e194915a7022d2f05f03dbb669
sha256
ef130c7b9e4145625b1d1f4d5fb6db419f494883ab630a580b02f7f191e9a341
sha512
d86d6680809dee86deb42703bc5899befc66f1a960b09adee90cef973a8b91eee062a71fb5b07039274c0dbd2da8d128e9342e1ebc66c2d044c3cde286de8e1f
ripemd-160
7d09befce1ada38b9a4a133842295f4ed09abdb4
Diameter
145345782
Circumference
456617240.96146
Area
1.6591847490557E+16
Volume
1.6077033655598E+24
Surface area
6.6367389962226E+16
Circumference
456617240.96146
Perimeter
290691564
Area
5281349086297881
Diagonal
102774988.06906
Surface area
31688094517787286
Volume
3.8381090648148E+23
Space diagonal
125873139.54491
Perimeter
218018673
Area
2.2868912374938E+15
Altitude
62936569.772457
Surface area
2.2868912374938E+15
Volume
4.5232549111068E+22
Height
34258329.356354