72671681 is an odd 8-digits composite number following 72671680
and preceding 72671682 . In scientific notation, it is written as 7.2671681 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 71982000 positive integers (up to 72671681) that are relatively prime to 72671681.
72671681 has 8 divisors, whose sum is 73364928
The reverse of 72671681 is 18617627
Previous prime number is 311
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-two million six hundred seventy-one thousand six hundred eighty-one
Scientific notation
7.2671681 × 10^7
Engineering notation
7.2671681 × 10^6
Prime Factorization
181 × 311 × 1291
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72671681
Product of the distinct prime numbers
The prime factorization of 72671681 is 181 × 311 × 1291.
Since it has a total of 3 prime factors.
5 , 5 , 91 , 11 , 529 , 969 , 470 , 1536 , 83400 , 33638 , 385484 , 112859 , 5024891 , 5310545 , 928236 , 36414164 , 127022777 , 8453441 , 1889654084 , 6505957232
n×2
145343362
n×3
218015043
n×4
290686724
n×5
363358405
n÷2
36335840.5
n÷3
24223893.666667
n÷3
18167920.25
n÷5
14534336.2
n2
5281173219365761
n3
3.8379173550349E+23
n4
2.7890790572946E+31
n5
2.0268706353549E+39
2 √n
8524.7686772135
3 √n
417.30642250496
4 √n
92.329673871478
5 √n
37.348489420238
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
-72671680
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 72671681 can be divided by 8 positive divisors.
The sum of these divisors (counting 72671681) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010101001110000111000001
3
Ternary
12001202002210202
4
Quaternary
10111032013001
5
Quinary
122100443211
6
Senary
11113334545
8
Octal
425160701
10
Decimal
72671681
12
Duodecimal
20407455
16
Hexadecimal
454e1c1
20
Vigesimal
12e3j41
36
Base36
179ltt
md5
5a9d6bdc019b9b82342c334af5e62cc0
sha1
b37ba4a08ed30994b4256dcbab7ae8ae0b5cbb3b
sha256
558981f9b0c52a1e60888442bb93e9ae64a042b78ae574b381b40c3dd2f00eb3
sha512
16268ccc7832912b13c2a89d46452263d0aecbfbcf322fdb14200f9c84bffcefffbd5049a2e5a74e161207e1c85dd1e9ac141e5153a2e0633b188afcc46320fe
ripemd-160
c380f02679f1353ac9176163ea250a54170b7fdb
Diameter
145343362
Circumference
456609638.30724
Area
1.6591294988295E+16
Volume
1.607623062355E+24
Surface area
6.6365179953179E+16
Circumference
456609638.30724
Perimeter
290686724
Area
5281173219365761
Diagonal
102773276.87065
Surface area
31687039316194566
Volume
3.8379173550349E+23
Space diagonal
125871043.76344
Perimeter
218015043
Area
2.2868150848784E+15
Altitude
62935521.881719
Surface area
2.2868150848784E+15
Volume
4.5230289789645E+22
Height
34257758.956884