71389281 is an odd 8-digits composite number following 71389280
and preceding 71389282 . In scientific notation, it is written as 7.1389281 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 47497232 positive integers (up to 71389281) that are relatively prime to 71389281.
71389281 has 8 divisors, whose sum is 95376960
The reverse of 71389281 is 18298317
Previous prime number is 503
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-one million three hundred eighty-nine thousand two hundred eighty-one
Scientific notation
7.1389281 × 10^7
Engineering notation
7.1389281 × 10^6
Prime Factorization
3 × 503 × 47309
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71389281
Product of the distinct prime numbers
The prime factorization of 71389281 is 3 × 503 × 47309.
Since it has a total of 3 prime factors.
9 , 5 , 2 , 35 , 825 , 759 , 2888 , 5888 , 95550 , 17569 , 769792 , 250771 , 5336145 , 8482736 , 23666206 , 71905491 , 489585842 , 233921616 , 6856876854 , 5849988029
n×2
142778562
n×3
214167843
n×4
285557124
n×5
356946405
n÷2
35694640.5
n÷3
23796427
n÷3
17847320.25
n÷5
14277856.2
n2
5096429441696961
n3
3.6383043350998E+23
n4
2.5973593054196E+31
n5
1.8542361331256E+39
2 √n
8449.2177744452
3 √n
414.8371761695
4 √n
91.91962670967
5 √n
37.215735084862
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
-71389280
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 71389281 can be divided by 8 positive divisors.
The sum of these divisors (counting 71389281) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000010101000001100001
3
Ternary
11222022221200110
4
Quaternary
10100111001201
5
Quinary
121233424111
6
Senary
11030041533
8
Octal
420250141
10
Decimal
71389281
12
Duodecimal
1baa92a9
16
Hexadecimal
4415061
20
Vigesimal
1263d41
36
Base36
16i4bl
md5
9c2e58a40cc0750132225b13e88c2fff
sha1
a3d9b8e7736ab7b42bf09f409c07f6c92694dcab
sha256
85dd40fc3a27d5beaf6b02428c1e49e30707505884b85c1bd0654b8ad627b01e
sha512
3637d4c7680fda554a7de92d2efa8835e3ad13ddc2bd4b79234f073a7a2fed944b895e6b2af1ce911ad0c91193d95b82fb73666b425c88619a335162ca4dcf51
ripemd-160
5536b74cbaea9afac475270855de62ab52a9b2f2
Diameter
142778562
Circumference
448552081.46931
Area
1.6010905293574E+16
Volume
1.5240093560898E+24
Surface area
6.4043621174296E+16
Circumference
448552081.46931
Perimeter
285557124
Area
5096429441696961
Diagonal
100959689.39826
Surface area
30578576650181766
Volume
3.6383043350998E+23
Space diagonal
123649861.80781
Perimeter
214167843
Area
2.2068186825523E+15
Altitude
61824930.903906
Surface area
2.2068186825523E+15
Volume
4.2877827789491E+22
Height
33653229.799421