71389761 is an odd 8-digits composite number following 71389760
and preceding 71389762 . In scientific notation, it is written as 7.1389761 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 45226944 positive integers (up to 71389761) that are relatively prime to 71389761.
71389761 has 16 divisors, whose sum is 100039104
The reverse of 71389761 is 16798317
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-one million three hundred eighty-nine thousand seven hundred sixty-one
Scientific notation
7.1389761 × 10^7
Engineering notation
7.1389761 × 10^6
Prime Factorization
43 × 3 × 37 × 14957
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71389761
Product of the distinct prime numbers
The prime factorization of 71389761 is 43 × 3 × 37 × 14957.
Since it has a total of 4 prime factors.
2 , 7 , 14 , 83 , 696 , 222 , 5189 , 1734 , 17685 , 47529 , 642093 , 366403 , 2310606 , 5754567 , 72240205 , 44034371 , 962724579 , 573376719 , 7403087917 , 7706285328
n×2
142779522
n×3
214169283
n×4
285559044
n×5
356948805
n÷2
35694880.5
n÷3
23796587
n÷3
17847440.25
n÷5
14277952.2
n2
5096497975637121
n3
3.6383777241772E+23
n4
2.5974291615673E+31
n5
1.8542984705872E+39
2 √n
8449.2461793938
3 √n
414.83810591411
4 √n
91.919781219244
5 √n
37.215785130203
1 , 3 , 37 , 43 , 111 , 129 , 1591 , 4773 , 14957 , 44871 , 553409 , 643151 , 1660227 , 1929453 , 23796587 , 71389761
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
-71389760
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 71389761 can be divided by 16 positive divisors.
The sum of these divisors (counting 71389761) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000010101001001000001
3
Ternary
11222022222100020
4
Quaternary
10100111021001
5
Quinary
121233433021
6
Senary
11030044053
8
Octal
420251101
10
Decimal
71389761
12
Duodecimal
1baa9629
16
Hexadecimal
4415241
20
Vigesimal
1263e81
36
Base36
16i4ox
md5
e4fa3141e7bc07b417b2367a86aed5d5
sha1
837e74594967d79fc84cce4b893ea57178cd40c0
sha256
a27e6e4c1ed995ccc2436dd7b5cfc31bce5402e54c35960f1bac780ef07567a5
sha512
bb72cb4e4367e9220599a277d6bde6b7ff2dc330fa806142a46f285765a93116556baa3b177d12f973e17631a68039ec42a514b07a7b1933953c3d10c517b64b
ripemd-160
c08ff4326e47902b6976515f8d053452ab92061c
Diameter
142779522
Circumference
448555097.39826
Area
1.6011120599297E+16
Volume
1.5240400972346E+24
Surface area
6.4044482397187E+16
Circumference
448555097.39826
Perimeter
285559044
Area
5096497975637121
Diagonal
100960368.22077
Surface area
30578987853822726
Volume
3.6383777241772E+23
Space diagonal
123650693.1922
Perimeter
214169283
Area
2.2068483586189E+15
Altitude
61825346.5961
Surface area
2.2068483586189E+15
Volume
4.2878692688063E+22
Height
33653456.073591