71399781 is an odd 8-digits composite number following 71399780
and preceding 71399782 . In scientific notation, it is written as 7.1399781 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 47224296 positive integers (up to 71399781) that are relatively prime to 71399781.
71399781 has 8 divisors, whose sum is 79959040
The reverse of 71399781 is 18799317
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-one million three hundred ninety-nine thousand seven hundred eighty-one
Scientific notation
7.1399781 × 10^7
Engineering notation
7.1399781 × 10^6
Prime Factorization
9 × 127 × 62467
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71399781
Product of the distinct prime numbers
The prime factorization of 71399781 is 9 × 127 × 62467.
Since it has a total of 3 prime factors.
6 , 3 , 28 , 22 , 133 , 827 , 9139 , 3465 , 35677 , 9407 , 171360 , 548872 , 8202227 , 1651166 , 58717759 , 26454620 , 56485005 , 828314376 , 3067208780 , 4270781530
n×2
142799562
n×3
214199343
n×4
285599124
n×5
356998905
n÷2
35699890.5
n÷3
23799927
n÷3
17849945.25
n÷5
14279956.2
n2
5097928726847961
n3
3.6399099465055E+23
n4
2.5988877304022E+31
n5
1.855600147943E+39
2 √n
8449.8391108944
3 √n
414.85751338145
4 √n
91.923006428719
5 √n
37.216829765254
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
-71399780
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 71399781 can be divided by 8 positive divisors.
The sum of these divisors (counting 71399781) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000010111100101100101
3
Ternary
11222100111002100
4
Quaternary
10100113211211
5
Quinary
121234243111
6
Senary
11030202313
8
Octal
420274545
10
Decimal
71399781
12
Duodecimal
1bab3399
16
Hexadecimal
4417965
20
Vigesimal
1264j91
36
Base36
16icf9
md5
1a0c4b6e43dbc7a1e110e78b366abffc
sha1
248920129eb6913c594472219faf63e196c8c2f4
sha256
23a346aca390ba9d55e3c574baed17cfe6cf0314cd6bb555705d164e1548b062
sha512
b52e43566a8c0aa187e63a8c518d1d26250bbe17b3283011d647e904890ee6ab1123b9fa58417d0d34b9bdf25c7df47577b086a7522aa7836da29d4edb786092
ripemd-160
2eb759db25234d63188bf6948bb0312f2fe2b7e3
Diameter
142799562
Circumference
448618054.91504
Area
1.601561543679E+16
Volume
1.5246819130227E+24
Surface area
6.406246174716E+16
Circumference
448618054.91504
Perimeter
285599124
Area
5097928726847961
Diagonal
100974538.64067
Surface area
30587572361087766
Volume
3.6399099465055E+23
Space diagonal
123668048.34129
Perimeter
214199343
Area
2.2074678920664E+15
Altitude
61834024.170645
Surface area
2.2074678920664E+15
Volume
4.2896750101374E+22
Height
33658179.54689