71388458 is an even 8-digits composite number following 71388457
and preceding 71388459 . In scientific notation, it is written as 7.1388458 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 33929280 positive integers (up to 71388458) that are relatively prime to 71388458.
71388458 has 8 divisors, whose sum is 107122500
The reverse of 71388458 is 85488317
Previous prime number is 3749
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
seventy-one million three hundred eighty-eight thousand four hundred fifty-eight
Scientific notation
7.1388458 × 10^7
Engineering notation
7.1388458 × 10^6
Prime Factorization
2 × 3749 × 9521
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71388458
Product of the distinct prime numbers
The prime factorization of 71388458 is 2 × 3749 × 9521.
Since it has a total of 3 prime factors.
1 , 4 , 87 , 72 , 227 , 199 , 5421 , 4259 , 19772 , 61764 , 190434 , 480585 , 6920862 , 360200 , 90891779 , 79338598 , 230081198 , 994612587 , 3798751219 , 1671369230
n×2
142776916
n×3
214165374
n×4
285553832
n×5
356942290
n÷2
35694229
n÷3
23796152.666667
n÷3
17847114.5
n÷5
14277691.6
n2
5096311935617764
n3
3.6381785057075E+23
n4
2.597239534512E+31
n5
1.8541292542545E+39
2 √n
8449.1690715715
3 √n
414.83558203518
4 √n
91.919361788317
5 √n
37.215649277326
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
-71388457
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 71388458 can be divided by 8 positive divisors.
The sum of these divisors (counting 71388458) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000010100110100101010
3
Ternary
11222022220112222
4
Quaternary
10100110310222
5
Quinary
121233412313
6
Senary
11030034042
8
Octal
420246452
10
Decimal
71388458
12
Duodecimal
1baa8922
16
Hexadecimal
4414d2a
20
Vigesimal
1263b2i
36
Base36
16i3oq
md5
318d3348e263cb892021ceeeac89bbf7
sha1
7ba8052830ad88f9d7c9b2d3f0614c4db2ae0310
sha256
a0e99771ba9283f13aea4b1c260d64ab08f74227baac2e5c5bb20b6ea3e20cda
sha512
a3b5fa0e504d3714ebb0ba6da15b28dcbfc5a9d494fa1015224c0950c31f682873666d9a3414fb3d9555d1db4cc0cc9abb4d6caca8bfcd55d4017b6520cd48cc
ripemd-160
bcca1b18929371eb16e80076c644a0ddcd15c658
Diameter
142776916
Circumference
448546910.40781
Area
1.6010536137339E+16
Volume
1.5239566487972E+24
Surface area
6.4042144549355E+16
Circumference
448546910.40781
Perimeter
285553832
Area
5096311935617764
Diagonal
100958525.5005
Surface area
30577871613706584
Volume
3.6381785057075E+23
Space diagonal
123648436.33
Perimeter
214165374
Area
2.2067678009274E+15
Altitude
61824218.164998
Surface area
2.2067678009274E+15
Volume
4.2876344875882E+22
Height
33652841.833501