71387688 is an even 8-digits composite number following 71387687
and preceding 71387689 . In scientific notation, it is written as 7.1387688 × 10^7.
The sum of its digits is 48. It has a total of 6 prime factors and 32 positive divisors.
There are 23635008 positive integers (up to 71387688) that are relatively prime to 71387688.
71387688 has 32 divisors, whose sum is 179676000
The reverse of 71387688 is 88678317
Previous prime number is 149
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
seventy-one million three hundred eighty-seven thousand six hundred eighty-eight
Scientific notation
7.1387688 × 10^7
Engineering notation
7.1387688 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 149 × 19963
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
17846922
Product of the distinct prime numbers
The prime factorization of 71387688 is 2 × 2 × 2 × 3 × 149 × 19963.
Since it has a total of 6 prime factors.
2 , 6 , 99 , 68 , 999 , 730 , 6982 , 2341 , 74666 , 29774 , 587844 , 883984 , 9897069 , 2136764 , 22571991 , 69987976 , 104217427 , 281264561 , 2518836024 , 4977513717
n×2
142775376
n×3
214163064
n×4
285550752
n×5
356938440
n÷2
35693844
n÷3
23795896
n÷3
17846922
n÷5
14277537.6
n2
5096201997985344
n3
3.6380607821715E+23
n4
2.597127480427E+31
n5
1.8540292626895E+39
2 √n
8449.1235048376
3 √n
414.8340905497
4 √n
91.919113925438
5 √n
37.215568994955
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 149 , 298 , 447 , 596 , 894 , 1192 , 1788 , 3576 , 19963 , 39926 , 59889 , 79852 , 119778 , 159704 , 239556 , 479112 , 2974487 , 5948974 , 8923461 , 11897948 , 17846922 , 23795896 , 35693844 , 71387688
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71387687
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71387688 can be divided by 32 positive divisors.
The sum of these divisors (counting 71387688) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010000010100101000101000
3
Ternary
11222022212111110
4
Quaternary
10100110220220
5
Quinary
121233401223
6
Senary
11030030320
8
Octal
420245050
10
Decimal
71387688
12
Duodecimal
1baa83a0
16
Hexadecimal
4414a28
20
Vigesimal
1263948
36
Base36
16i33c
md5
6c58401960e4e40ab8fc63a3fd8edc68
sha1
0cd27f7859077e96d3d55da19c86c6893a01f7c1
sha256
fbf6f90592d2b7da9701d187a01df1cc3ee47fc2563580000a396a7cd7094509
sha512
8b01d162bc8f0aafe73f9a9363bfc20c02ef9f9f6cc0756b31c4538ddfae2faaabe42a39c228a03a05d679d62f413ec554996d629a672a5d241eba89afd13359
ripemd-160
44043f2615d0fd714911b64d24507dd42f5c0fdd
Diameter
142775376
Circumference
448542072.35512
Area
1.601019075808E+16
Volume
1.5239073368778E+24
Surface area
6.4040763032322E+16
Circumference
448542072.35512
Perimeter
285550752
Area
5096201997985344
Diagonal
100957436.55606
Surface area
30577211987912064
Volume
3.6380607821715E+23
Space diagonal
123647102.65088
Perimeter
214163064
Area
2.2067201965362E+15
Altitude
61823551.325438
Surface area
2.2067201965362E+15
Volume
4.2874957490706E+22
Height
33652478.85202