71387485 is an odd 8-digits composite number following 71387484
and preceding 71387486 . In scientific notation, it is written as 7.1387485 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 52716864 positive integers (up to 71387485) that are relatively prime to 71387485.
71387485 has 8 divisors, whose sum is 92254680
The reverse of 71387485 is 58478317
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-one million three hundred eighty-seven thousand four hundred eighty-five
Scientific notation
7.1387485 × 10^7
Engineering notation
7.1387485 × 10^6
Prime Factorization
13 × 5 × 1098269
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71387485
Product of the distinct prime numbers
The prime factorization of 71387485 is 13 × 5 × 1098269.
Since it has a total of 3 prime factors.
7 , 8 , 45 , 91 , 87 , 702 , 203 , 5351 , 63668 , 18207 , 474283 , 841323 , 9775635 , 863635 , 34436652 , 16995080 , 641187870 , 104022764 , 3608575242 , 2726550937
n×2
142774970
n×3
214162455
n×4
285549940
n×5
356937425
n÷2
35693742.5
n÷3
23795828.333333
n÷3
17846871.25
n÷5
14277497
n2
5096173014625225
n3
3.6380297463896E+23
n4
2.5970979394994E+31
n5
1.8540029019955E+39
2 √n
8449.1114917487
3 √n
414.8336973381
4 √n
91.919048579436
5 √n
37.215547829487
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
-71387484
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 71387485 can be divided by 8 positive divisors.
The sum of these divisors (counting 71387485) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000010100100101011101
3
Ternary
11222022212012221
4
Quaternary
10100110211131
5
Quinary
121233344420
6
Senary
11030025341
8
Octal
420244535
10
Decimal
71387485
12
Duodecimal
1baa8251
16
Hexadecimal
441495d
20
Vigesimal
12638e5
36
Base36
16i2xp
md5
194aac976b4e87e5b02d1b2182197d13
sha1
216f58b264cc9d6ad27bcbb5cc2d0a78c1c46088
sha256
8162e0d27090af227c00832126d935b338385f10b949878eb157b7186ae33587
sha512
a348292ee14da54540e3667d91441c57b5c58a9a068e22878efcc0fcf875b7eb0bbb9ac307ab4230d02c01e56027630d34a2c7e49d774e082208635a319f78a5
ripemd-160
53d93269549db78c484b58d651616be1342022f5
Diameter
142774970
Circumference
448540796.8685
Area
1.6010099704169E+16
Volume
1.5238943366398E+24
Surface area
6.4040398816677E+16
Circumference
448540796.8685
Perimeter
285549940
Area
5096173014625225
Diagonal
100957149.47071
Surface area
30577038087751350
Volume
3.6380297463896E+23
Space diagonal
123646751.04456
Perimeter
214162455
Area
2.2067076463731E+15
Altitude
61823375.522281
Surface area
2.2067076463731E+15
Volume
4.2874591730508E+22
Height
33652383.156902