72655981 is an odd 8-digits composite number following 72655980
and preceding 72655982 . In scientific notation, it is written as 7.2655981 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 68735952 positive integers (up to 72655981) that are relatively prime to 72655981.
72655981 has 8 divisors, whose sum is 76586720
The reverse of 72655981 is 18955627
Previous prime number is 853
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-two million six hundred fifty-five thousand nine hundred eighty-one
Scientific notation
7.2655981 × 10^7
Engineering notation
7.2655981 × 10^6
Prime Factorization
19 × 853 × 4483
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72655981
Product of the distinct prime numbers
The prime factorization of 72655981 is 19 × 853 × 4483.
Since it has a total of 3 prime factors.
4 , 7 , 23 , 14 , 870 , 184 , 1978 , 2247 , 42811 , 76218 , 54287 , 565717 , 901736 , 288866 , 64664786 , 72473919 , 479701245 , 348194859 , 3702472021 , 8542028455
n×2
145311962
n×3
217967943
n×4
290623924
n×5
363279905
n÷2
36327990.5
n÷3
24218660.333333
n÷3
18163995.25
n÷5
14531196.2
n2
5278891575072361
n3
3.8354304597952E+23
n4
2.786669626137E+31
n5
2.0246821540989E+39
2 √n
8523.847781372
3 √n
417.27636869486
4 √n
92.324686738553
5 √n
37.346875526203
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
-72655980
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 72655981 can be divided by 8 positive divisors.
The sum of these divisors (counting 72655981) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010101001010010001101101
3
Ternary
12001201022021021
4
Quaternary
10111022101231
5
Quinary
122044442411
6
Senary
11113134141
8
Octal
425122155
10
Decimal
72655981
12
Duodecimal
203ba351
16
Hexadecimal
454a46d
20
Vigesimal
12e1jj1
36
Base36
1799pp
md5
efe29e7bcd79412a87dea6111dadb87f
sha1
fcb4f7ae83d6bd33d21d68c72293219f376b4332
sha256
c9ef9414e0934b31733561d4f79fa692413538192e3786e79822e6d519ebe702
sha512
d660bd9144d35f4c506d5c25b1d45de251883ee3c629918cafc867755fe50283783499104e12d4932f85fb8114fac0c2b5807b8e6fa269046d801eef30a06752
ripemd-160
d5f0b64bfebed36b2cd902061f665db6613bd3ca
Diameter
145311962
Circumference
456510992.29792
Area
1.6584126991344E+16
Volume
1.6065813541129E+24
Surface area
6.6336507965378E+16
Circumference
456510992.29792
Perimeter
290623924
Area
5278891575072361
Diagonal
102751073.71772
Surface area
31673349450434166
Volume
3.8354304597952E+23
Space diagonal
125843850.56576
Perimeter
217967943
Area
2.2858271039182E+15
Altitude
62921925.28288
Surface area
2.2858271039182E+15
Volume
4.5200981448177E+22
Height
34250357.905907