71755981 is an odd 8-digits composite number following 71755980
and preceding 71755982 . In scientific notation, it is written as 7.1755981 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 63844320 positive integers (up to 71755981) that are relatively prime to 71755981.
71755981 has 8 divisors, whose sum is 79945344
The reverse of 71755981 is 18955717
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-one million seven hundred fifty-five thousand nine hundred eighty-one
Scientific notation
7.1755981 × 10^7
Engineering notation
7.1755981 × 10^6
Prime Factorization
47 × 11 × 138793
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71755981
Product of the distinct prime numbers
The prime factorization of 71755981 is 47 × 11 × 138793.
Since it has a total of 3 prime factors.
3 , 1 , 17 , 57 , 819 , 811 , 9545 , 4764 , 99320 , 40912 , 379385 , 73360 , 7587686 , 3945279 , 57438614 , 63800095 , 87268287 , 568164822 , 1300137226 , 4562839363
n×2
143511962
n×3
215267943
n×4
287023924
n×5
358779905
n÷2
35877990.5
n÷3
23918660.333333
n÷3
17938995.25
n÷5
14351196.2
n2
5148920809272361
n3
3.6946586376065E+23
n4
2.6511385500158E+31
n5
1.902350474233E+39
2 √n
8470.8902129587
3 √n
415.5462512043
4 √n
92.037439191661
5 √n
37.25388943
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
-71755980
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 71755981 can be divided by 8 positive divisors.
The sum of these divisors (counting 71755981) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010001101110100011001101
3
Ternary
12000000120200221
4
Quaternary
10101232203031
5
Quinary
121332142411
6
Senary
11041551341
8
Octal
421564315
10
Decimal
71755981
12
Duodecimal
20045551
16
Hexadecimal
446e8cd
20
Vigesimal
12899j1
36
Base36
16pz9p
md5
9a04582f57e3443374921fd70adfd3a8
sha1
292482789c19a6276c5aacb03f3e749a6563915e
sha256
7a49b9d1ccf7d3428673f0acec970387771928a083c07518677c3d4d212abfd0
sha512
b8167d3fee513294f5292c69709dd4170456cc56540c195125b62642e00528fee6117e162add24d8d6050be2c33313945ec922436cdca69602b20a0ee14b0504
ripemd-160
b038c06c020c894c0a92a416309b13db35dac5ca
Diameter
143511962
Circumference
450856125.52146
Area
1.6175811788326E+16
Volume
1.5476149911236E+24
Surface area
6.4703247153303E+16
Circumference
450856125.52146
Perimeter
287023924
Area
5148920809272361
Diagonal
101478281.51159
Surface area
30893524855634166
Volume
3.6946586376065E+23
Space diagonal
124285004.83895
Perimeter
215267943
Area
2.2295481114521E+15
Altitude
62142502.419474
Surface area
2.2295481114521E+15
Volume
4.3541969613684E+22
Height
33826093.837195