71389885 is an odd 8-digits composite number following 71389884
and preceding 71389886 . In scientific notation, it is written as 7.1389885 × 10^7.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 46073088 positive integers (up to 71389885) that are relatively prime to 71389885.
71389885 has 16 divisors, whose sum is 103666176
The reverse of 71389885 is 58898317
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
seventy-one million three hundred eighty-nine thousand eight hundred eighty-five
Scientific notation
7.1389885 × 10^7
Engineering notation
7.1389885 × 10^6
Prime Factorization
5 × 7 × 17 × 119983
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71389885
Product of the distinct prime numbers
The prime factorization of 71389885 is 5 × 7 × 17 × 119983.
Since it has a total of 4 prime factors.
9 , 5 , 31 , 52 , 522 , 461 , 5805 , 5397 , 89735 , 40379 , 265958 , 795120 , 146168 , 9140346 , 98873699 , 18504539 , 534261135 , 370326700 , 2742896726 , 1386991101
n×2
142779770
n×3
214169655
n×4
285559540
n×5
356949425
n÷2
35694942.5
n÷3
23796628.333333
n÷3
17847471.25
n÷5
14277977
n2
5096515680313225
n3
3.6383966831826E+23
n4
2.5974472079679E+31
n5
1.854314574704E+39
2 √n
8449.2535173233
3 √n
414.83834609746
4 √n
91.919821134091
5 √n
37.215798058539
1 , 5 , 7 , 17 , 35 , 85 , 119 , 595 , 119983 , 599915 , 839881 , 2039711 , 4199405 , 10198555 , 14277977 , 71389885
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71389884
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71389885 can be divided by 16 positive divisors.
The sum of these divisors (counting 71389885) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000010101001010111101
3
Ternary
11222022222111211
4
Quaternary
10100111022331
5
Quinary
121233434020
6
Senary
11030044421
8
Octal
420251275
10
Decimal
71389885
12
Duodecimal
1baa9711
16
Hexadecimal
44152bd
20
Vigesimal
1263ee5
36
Base36
16i4sd
md5
df199f6e2c422d5c2da43096c4a216f3
sha1
c79bf2c7b13a9244c8fc3be6d27c948238a32f92
sha256
10f0d8031641c008faab116247f575f68d47bcf3949320f707d708ac81733bc9
sha512
f54fb6ed6643175c7261949238a8f3196e8177b1011161932d7b81817e2dbce0e4fe358cad491451633a1365fbb8b02716e8e6082d0c651efa44ff927f1b536b
ripemd-160
20cbee142bf14aa038b4442c7df5a39568203b3f
Diameter
142779770
Circumference
448555876.51324
Area
1.6011176220177E+16
Volume
1.5240480387642E+24
Surface area
6.4044704880709E+16
Circumference
448555876.51324
Perimeter
285559540
Area
5096515680313225
Diagonal
100960543.58326
Surface area
30579094081879350
Volume
3.6383966831826E+23
Space diagonal
123650907.9665
Perimeter
214169655
Area
2.2068560249685E+15
Altitude
61825453.98325
Surface area
2.2068560249685E+15
Volume
4.2878916122084E+22
Height
33653514.527752