72606981 is an odd 8-digits composite number following 72606980
and preceding 72606982 . In scientific notation, it is written as 7.2606981 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 46267200 positive integers (up to 72606981) that are relatively prime to 72606981.
72606981 has 16 divisors, whose sum is 101151360
The reverse of 72606981 is 18960627
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-two million six hundred six thousand nine hundred eighty-one
Scientific notation
7.2606981 × 10^7
Engineering notation
7.2606981 × 10^6
Prime Factorization
3 × 29 × 101 × 8263
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72606981
Product of the distinct prime numbers
The prime factorization of 72606981 is 3 × 29 × 101 × 8263.
Since it has a total of 4 prime factors.
3 , 3 , 35 , 10 , 225 , 231 , 9056 , 2820 , 12185 , 29654 , 281306 , 279286 , 9067435 , 9615030 , 29023394 , 15094017 , 127574633 , 310603829 , 6627764333 , 2167366696
n×2
145213962
n×3
217820943
n×4
290427924
n×5
363034905
n÷2
36303490.5
n÷3
24202327
n÷3
18151745.25
n÷5
14521396.2
n2
5271773689934361
n3
3.8276757214136E+23
n4
2.7791597837884E+31
n5
2.0178640161749E+39
2 √n
8520.9730078202
3 √n
417.18254232771
4 √n
92.309116601884
5 √n
37.341836737259
1 , 3 , 29 , 87 , 101 , 303 , 2929 , 8263 , 8787 , 24789 , 239627 , 718881 , 834563 , 2503689 , 24202327 , 72606981
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
-72606980
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 72606981 can be divided by 16 positive divisors.
The sum of these divisors (counting 72606981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010100111110010100000101
3
Ternary
12001121211001110
4
Quaternary
10110332110011
5
Quinary
122041410411
6
Senary
11112115233
8
Octal
424762405
10
Decimal
72606981
12
Duodecimal
20395b19
16
Hexadecimal
453e505
20
Vigesimal
12dfh91
36
Base36
1787wl
md5
8dde87d088e92dd58503d0a93cbd7036
sha1
fa750d666e033aaca84500ef3135097679688289
sha256
c5594dc3ddc1c20efdb4efdb632be085924a3000a6d2320e52aed1f26b7e0557
sha512
96941dde4213fbe2ccc704fdb95308a77a0f319cafb44144daf09f56c02eb6028d84bda26a6762a3efec05f355d78ef8002d5f189feadd109961dd6e064c5b5d
ripemd-160
c7c168e96b23fad79742fd349f40dc29d36ffa28
Diameter
145213962
Circumference
456203116.21787
Area
1.6561765495686E+16
Volume
1.6033330568956E+24
Surface area
6.6247061982743E+16
Circumference
456203116.21787
Perimeter
290427924
Area
5271773689934361
Diagonal
102681777.25317
Surface area
31630642139606166
Volume
3.8276757214136E+23
Space diagonal
125758980.07619
Perimeter
217820943
Area
2.2827449692428E+15
Altitude
62879490.038094
Surface area
2.2827449692428E+15
Volume
4.5109590979912E+22
Height
34227259.084389