71249781 is an odd 8-digits composite number following 71249780
and preceding 71249782 . In scientific notation, it is written as 7.1249781 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 45861872 positive integers (up to 71249781) that are relatively prime to 71249781.
71249781 has 8 divisors, whose sum is 98275680
The reverse of 71249781 is 18794217
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-one million two hundred forty-nine thousand seven hundred eighty-one
Scientific notation
7.1249781 × 10^7
Engineering notation
7.1249781 × 10^6
Prime Factorization
3 × 29 × 818963
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71249781
Product of the distinct prime numbers
The prime factorization of 71249781 is 3 × 29 × 818963.
Since it has a total of 3 prime factors.
7 , 3 , 13 , 72 , 498 , 483 , 6242 , 8194 , 34951 , 76011 , 376033 , 518695 , 9340343 , 5590086 , 47168546 , 60638952 , 827981517 , 696336680 , 4207975515 , 9940603487
n×2
142499562
n×3
213749343
n×4
284999124
n×5
356248905
n÷2
35624890.5
n÷3
23749927
n÷3
17812445.25
n÷5
14249956.2
n2
5076531292547961
n3
3.6170174283369E+23
n4
2.5771169964219E+31
n5
1.8361902160644E+39
2 √n
8440.9585356167
3 √n
414.56679234248
4 √n
91.874689308953
5 √n
37.201179236583
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
-71249780
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 71249781 can be divided by 8 positive divisors.
The sum of these divisors (counting 71249781) is 1, the average is 0.125.
Base
System
Value
2
Binary
100001111110010111101110101
3
Ternary
11222001212022210
4
Quaternary
10033302331311
5
Quinary
121214443111
6
Senary
11023044033
8
Octal
417627565
10
Decimal
71249781
12
Duodecimal
1ba40619
16
Hexadecimal
43f2f75
20
Vigesimal
1256491
36
Base36
16f4ol
md5
41bf81ed3bb68dae08a69d4490905a6c
sha1
5f9912714d14a1b00fd31f14f9235f84c16cd792
sha256
6c89af3074fec2b1478ceadb40624612dee3998340cb1a6f03da3402e58fc507
sha512
0115e471bd80d817f8b8e7063cb5b1797880f7a64a0ee50a4645d76c1c9b3c599875e6f52af65bc60607a77053ee5fa3cc486b2072bb2368f81e3be9fadb422b
ripemd-160
16fbb21c511b9bef01e037151a65586f235123b0
Diameter
142499562
Circumference
447675577.11896
Area
1.5948393414387E+16
Volume
1.5150927174359E+24
Surface area
6.3793573657549E+16
Circumference
447675577.11896
Perimeter
284999124
Area
5076531292547961
Diagonal
100762406.60631
Surface area
30459187755287766
Volume
3.6170174283369E+23
Space diagonal
123408240.72016
Perimeter
213749343
Area
2.1982025312266E+15
Altitude
61704120.360078
Surface area
2.1982025312266E+15
Volume
4.2626959187449E+22
Height
33587468.868771