72667981 is an odd 8-digits composite number following 72667980
and preceding 72667982 . In scientific notation, it is written as 7.2667981 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 72298912 positive integers (up to 72667981) that are relatively prime to 72667981.
72667981 has 4 divisors, whose sum is 73037052
The reverse of 72667981 is 18976627
Previous prime number is 197
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
seventy-two million six hundred sixty-seven thousand nine hundred eighty-one
Scientific notation
7.2667981 × 10^7
Engineering notation
7.2667981 × 10^6
Prime Factorization
197 × 368873
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72667981
Product of the distinct prime numbers
The prime factorization of 72667981 is 197 × 368873.
Since it has a total of 2 prime factors.
3 , 10 , 98 , 23 , 456 , 302 , 615 , 7911 , 77204 , 25565 , 460360 , 914476 , 3236821 , 4177955 , 50097301 , 50816082 , 512421468 , 98521973 , 8229705501 , 9756026236
n×2
145335962
n×3
218003943
n×4
290671924
n×5
363339905
n÷2
36333990.5
n÷3
24222660.333333
n÷3
18166995.25
n÷5
14533596.2
n2
5280635462616361
n3
3.8373311746533E+23
n4
2.7885110889042E+31
n5
2.0263547082678E+39
2 √n
8524.5516597649
3 √n
417.29934014978
4 √n
92.32849863268
5 √n
37.348109100907
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72667980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72667981 can be divided by 4 positive divisors.
The sum of these divisors (counting 72667981) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010101001101001101001101
3
Ternary
12001201220201201
4
Quaternary
10111031031031
5
Quinary
122100333411
6
Senary
11113305501
8
Octal
425151515
10
Decimal
72667981
12
Duodecimal
20405291
16
Hexadecimal
454d34d
20
Vigesimal
12e39j1
36
Base36
179iz1
md5
6973978e2432dd8facff45084ee92348
sha1
d12ba64ba47d19c3c7734f4e19f7ad0ac602cf3c
sha256
65676939a96b65e94c5ed191057d7b8133fdd376d3068ddc99f9924458a62dfa
sha512
f1af01d75b16da57dd48b0f0ae39d4741727ef8c4fc838ce6f22414ebe33f139d8f3c188f2daa1256f69df7c61dbc5f545b52770cb0c0813ce21e7a1e260cbce
ripemd-160
f3de2f4d6927e2e4f3b54a63592aeee122b0e2ac
Diameter
145335962
Circumference
456586390.52161
Area
1.6589605575641E+16
Volume
1.6073775236909E+24
Surface area
6.6358422302565E+16
Circumference
456586390.52161
Perimeter
290671924
Area
5280635462616361
Diagonal
102768044.28047
Surface area
31683812775698166
Volume
3.8373311746533E+23
Space diagonal
125864635.17545
Perimeter
218003943
Area
2.2865822293754E+15
Altitude
62932317.587725
Surface area
2.2865822293754E+15
Volume
4.5223381587598E+22
Height
34256014.760157