71544985 is an odd 8-digits composite number following 71544984
and preceding 71544986 . In scientific notation, it is written as 7.1544985 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 57205680 positive integers (up to 71544985) that are relatively prime to 71544985.
71544985 has 8 divisors, whose sum is 85899456
The reverse of 71544985 is 58944517
Previous prime number is 4007
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-one million five hundred forty-four thousand nine hundred eighty-five
Scientific notation
7.1544985 × 10^7
Engineering notation
7.1544985 × 10^6
Prime Factorization
5 × 4007 × 3571
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71544985
Product of the distinct prime numbers
The prime factorization of 71544985 is 5 × 4007 × 3571.
Since it has a total of 3 prime factors.
7 , 8 , 55 , 48 , 916 , 938 , 3235 , 337 , 87937 , 3818 , 825671 , 39296 , 831691 , 5992200 , 23512850 , 91222969 , 413261942 , 288521282 , 3846419152 , 2047318614
n×2
143089970
n×3
214634955
n×4
286179940
n×5
357724925
n÷2
35772492.5
n÷3
23848328.333333
n÷3
17886246.25
n÷5
14308997
n2
5118684878650225
n3
3.6621623286276E+23
n4
2.6200934886922E+31
n5
1.8745454934708E+39
2 √n
8458.4268631939
3 √n
415.13855150273
4 √n
91.969706225441
5 √n
37.231954858945
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
-71544984
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 71544985 can be divided by 8 positive divisors.
The sum of these divisors (counting 71544985) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000111011000010011001
3
Ternary
11222121212021021
4
Quaternary
10100323002121
5
Quinary
121303414420
6
Senary
11033242441
8
Octal
420730231
10
Decimal
71544985
12
Duodecimal
1bb63421
16
Hexadecimal
443b099
20
Vigesimal
1273295
36
Base36
16lggp
md5
0bb0559df182bc248d6969ed4ada715f
sha1
9f02d72d5e3e300e0be8e22e2a2d50f930f73515
sha256
483feccc4a66d8c52a8c1bfee53bb34c68351d36ef278c5dc25638b2d9bfa560
sha512
0ca14cbb21d9bd303a51affedddc65ea03692aa104e540f1a34b733fb632dc6e627e71fc781d57cfad78452aba554b6781793e2f2b5a2778caee991461dde29c
ripemd-160
b2e64a899a4e90acaba8bcff34932b235e5893f8
Diameter
143089970
Circumference
449530398.55438
Area
1.6080822810809E+16
Volume
1.5340029690493E+24
Surface area
6.4323291243235E+16
Circumference
449530398.55438
Perimeter
286179940
Area
5118684878650225
Diagonal
101179888.10678
Surface area
30712109271901350
Volume
3.6621623286276E+23
Space diagonal
123919549.04675
Perimeter
214634955
Area
2.2164555694392E+15
Altitude
61959774.523377
Surface area
2.2164555694392E+15
Volume
4.3158996939641E+22
Height
33726629.368927