72698981 is an odd 8-digits prime number following 72698980
and preceding 72698982 . In scientific notation, it is written as 7.2698981 × 10^7.
The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors.
There are 72698980 positive integers (up to 72698981) that are relatively prime to 72698981.
72698981 has 2 divisors, whose sum is 72698982
The reverse of 72698981 is 18989627
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
seventy-two million six hundred ninety-eight thousand nine hundred eighty-one
Scientific notation
7.2698981 × 10^7
Engineering notation
7.2698981 × 10^6
Prime Factorization
72698981
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
72698981
Product of the distinct prime numbers
The prime factorization of 72698981 is 72698981.
Since it has a total of 1 prime factors.
2 , 1 , 51 , 37 , 687 , 338 , 3706 , 1470 , 6006 , 64990 , 382253 , 945318 , 9260515 , 2246838 , 3228443 , 30300271 , 307783922 , 478734508 , 9382476931 , 1449648457
n×2
145397962
n×3
218096943
n×4
290795924
n×5
363494905
n÷2
36349490.5
n÷3
24232993.666667
n÷3
18174745.25
n÷5
14539796.2
n2
5285141838438361
n3
3.8422442609494E+23
n4
2.7932724252412E+31
n5
2.0306805897043E+39
2 √n
8526.3697433316
3 √n
417.3586713723
4 √n
92.338343841178
5 √n
37.351295081451
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
72698982
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
36349491
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8526.3698019732
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999724893
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72698981 can be divided by 2 positive divisors.
The sum of these divisors (counting 72698981) is 72698982, the average is 36349491.
Base
System
Value
2
Binary
100010101010100110001100101
3
Ternary
12001210111020212
4
Quaternary
10111110301211
5
Quinary
122102331411
6
Senary
11114105205
8
Octal
425246145
10
Decimal
72698981
12
Duodecimal
2041b205
16
Hexadecimal
4554c65
20
Vigesimal
12e7791
36
Base36
17a6w5
md5
832b557bf838cf2da44216150ad9c290
sha1
d69dadaacea099a6e5622a0ba2718cb5ca469b91
sha256
86c0693371eadfd8953525bacad411e662f08e1841802e8b9e3a093a80ff7d8b
sha512
6c7fad3c5af55d0a8f522004251b6844d0aa2e77f5e3cd0ba42c7e6cc5d2b359a762633e6131c598611be8fe9cc74c618c9291da2ea8391e62799a248681792d
ripemd-160
8a519802770d6f546a84099311cd97d692ba5ea3
Diameter
145397962
Circumference
456781169.26613
Area
1.6603762772818E+16
Volume
1.6094355124661E+24
Surface area
6.6415051091272E+16
Circumference
456781169.26613
Perimeter
290795924
Area
5285141838438361
Diagonal
102811884.9009
Surface area
31710851030630166
Volume
3.8422442609494E+23
Space diagonal
125918328.75048
Perimeter
218096943
Area
2.2885335473458E+15
Altitude
62959164.375242
Surface area
2.2885335473458E+15
Volume
4.5281282864873E+22
Height
34270628.300301