71388181 is an odd 8-digits prime number following 71388180
and preceding 71388182 . In scientific notation, it is written as 7.1388181 × 10^7.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 71388180 positive integers (up to 71388181) that are relatively prime to 71388181.
71388181 has 2 divisors, whose sum is 71388182
The reverse of 71388181 is 18188317
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 37 Digital Root 1
Name
seventy-one million three hundred eighty-eight thousand one hundred eighty-one
Scientific notation
7.1388181 × 10^7
Engineering notation
7.1388181 × 10^6
Prime Factorization
71388181
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
71388181 Product of the distinct prime numbers
The prime factorization of 71388181 is 71388181.
Since it has a total of 1 prime factors.
8 , 7 , 38 , 14 , 913 , 258 , 7534 , 1306 , 23677 , 24732 , 709629 , 801443 , 9418030 , 7362886 , 82779035 , 1127508 , 31824455 , 962862261 , 6684172058 , 9655968596
n×2
142776362
n×3
214164543
n×4
285552724
n×5
356940905
n÷2
35694090.5
n÷3
23796060.333333
n÷3
17847045.25
n÷5
14277636.2
n2
5096272386488761
n3
3.6381361555196E+23
n4
2.5971992237288E+31
n5
1.8540932827661E+39
2 √n8449.1526794111
3 √n414.83504548904
4 √n91.919272622291
5 √n37.215620396605
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
71388182 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
35694091 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8449.1527385886 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999719842 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71388181 can be divided by 2 positive divisors.
The sum of these divisors (counting 71388181) is 71388182, the average is 35694091.
Base
System
Value
2
Binary
100010000010100110000010101
3
Ternary
11222022220011201
4
Quaternary
10100110300111
5
Quinary
121233410211
6
Senary
11030032501
8
Octal
420246025
10
Decimal
71388181
12
Duodecimal
1baa8731
16
Hexadecimal
4414c15
20
Vigesimal
1263a91
36
Base36
16i3h1
md5
61834ab0e3240d7182a07eef9dd463be
sha1
1171f779756730c2460939770f4e8b003e4265cf
sha256
fd86abddefd92fa69d9bf43452389ecdc57af61c0e20eba51ddf92a22caf3804
sha512
5c1788f9e1f5df3be57e252591825196640b120df434dfe4cc3553969c51e805ec0d51614f976a00cc168e7132614d6ad3ff95a090541c7cfaab3a8d9553a2d4
ripemd-160
25c51720c61aca88a0312aa093c4391a39fdf664
Diameter
142776362
Circumference
448545169.96548
Area
1.6010411890086E+16
Volume
1.523938909192E+24
Surface area
6.4041647560342E+16
Circumference
448545169.96548
Perimeter
285552724
Area
5096272386488761
Diagonal
100958133.76335
Surface area
30577634318932566
Volume
3.6381361555196E+23
Space diagonal
123647956.55192
Perimeter
214164543
Area
2.2067506756522E+15
Altitude
61823978.275962
Surface area
2.2067506756522E+15
Volume
4.2875845774131E+22
Height
33652711.254448