71389639 is an odd 8-digits composite number following 71389638
and preceding 71389640 . In scientific notation, it is written as 7.1389639 × 10^7.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 70128696 positive integers (up to 71389639) that are relatively prime to 71389639.
71389639 has 8 divisors, whose sum is 72656640
The reverse of 71389639 is 93698317
Previous prime number is 419
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
seventy-one million three hundred eighty-nine thousand six hundred thirty-nine
Scientific notation
7.1389639 × 10^7
Engineering notation
7.1389639 × 10^6
Prime Factorization
67 × 419 × 2543
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71389639
Product of the distinct prime numbers
The prime factorization of 71389639 is 67 × 419 × 2543.
Since it has a total of 3 prime factors.
5 , 4 , 4 , 3 , 55 , 971 , 193 , 2545 , 85770 , 85254 , 355977 , 64541 , 6635858 , 4812175 , 5427323 , 80049131 , 1892067 , 959578579 , 3160821540 , 7000191458
n×2
142779278
n×3
214168917
n×4
285558556
n×5
356948195
n÷2
35694819.5
n÷3
23796546.333333
n÷3
17847409.75
n÷5
14277927.8
n2
5096480556550321
n3
3.6383590710265E+23
n4
2.5974114063295E+31
n5
1.8542826263235E+39
2 √n
8449.2389598117
3 √n
414.83786960442
4 √n
91.919741948135
5 √n
37.215772410371
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
-71389638
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 71389639 can be divided by 8 positive divisors.
The sum of these divisors (counting 71389639) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000010101000111000111
3
Ternary
11222022222011201
4
Quaternary
10100111013013
5
Quinary
121233432024
6
Senary
11030043331
8
Octal
420250707
10
Decimal
71389639
12
Duodecimal
1baa9547
16
Hexadecimal
44151c7
20
Vigesimal
1263e1j
36
Base36
16i4lj
md5
7492c817549498981258b5cb37993d40
sha1
1128868ae34adfc3c8b09b207a55ab69c375ccc6
sha256
178a00ff1d15c2cd241100f66c858061e2e0cd6b121a84b84ec2183a01b242fd
sha512
eaad955b8e58576fb600cf2281bded3c9fbe84079af057af9f8ab46cfb152cfab7a7f0ab1b7ac1568ae54e567c03df576a4aac5fd14c0039a670c752fdf8d79b
ripemd-160
0a2c6acc0f8358a5af45f4c0f5072e24b70d0ff2
Diameter
142779278
Circumference
448554330.84965
Area
1.6011065875622E+16
Volume
1.5240322838211E+24
Surface area
6.4044263502487E+16
Circumference
448554330.84965
Perimeter
285558556
Area
5096480556550321
Diagonal
100960195.68672
Surface area
30578883339301926
Volume
3.6383590710265E+23
Space diagonal
123650481.882
Perimeter
214168917
Area
2.206840815933E+15
Altitude
61825240.941
Surface area
2.206840815933E+15
Volume
4.2878472858573E+22
Height
33653398.56224