71505890 is an even 8-digits composite number following 71505889
and preceding 71505891 . In scientific notation, it is written as 7.1505890 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 28602352 positive integers (up to 71505890) that are relatively prime to 71505890.
71505890 has 8 divisors, whose sum is 128710620
The reverse of 71505890 is 09850517
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
seventy-one million five hundred five thousand eight hundred ninety
Scientific notation
7.1505890 × 10^7
Engineering notation
7.1505890 × 10^6
Prime Factorization
2 × 5 × 7150589
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71505890
Product of the distinct prime numbers
The prime factorization of 71505890 is 2 × 5 × 7150589.
Since it has a total of 3 prime factors.
8 , 6 , 60 , 25 , 444 , 85 , 1961 , 4391 , 23579 , 45423 , 231701 , 991909 , 3384944 , 9214720 , 66604053 , 73868601 , 750782658 , 381528318 , 551223202 , 7018136693
n×2
143011780
n×3
214517670
n×4
286023560
n×5
357529450
n÷2
35752945
n÷3
23835296.666667
n÷3
17876472.5
n÷5
14301178
n2
5113092304692100
n3
3.6561621589916E+23
n4
2.6143712916302E+31
n5
1.8694294599846E+39
2 √n
8456.1155384727
3 √n
415.06292170246
4 √n
91.95713968188
5 √n
37.227884967716
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
-71505889
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 71505890 can be divided by 8 positive divisors.
The sum of these divisors (counting 71505890) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000110001011111100010
3
Ternary
11222112212122022
4
Quaternary
10100301133202
5
Quinary
121301142030
6
Senary
11032341442
8
Octal
420613742
10
Decimal
71505890
12
Duodecimal
1bb44882
16
Hexadecimal
44317e2
20
Vigesimal
126i4ea
36
Base36
16kmaq
md5
e4559996417e82bf964828623d2e359f
sha1
a85fbfa8d70d517246fa750c9f8487cd7f01dfdb
sha256
62b482745f9aa965b9106f5d79e494bc69b9fe4f47f04beb892168defef351f2
sha512
949a88383572703c04fcc00cc743fa7d8f6484e633a4946c09154f616afa431986a33c3227e0cef88eb3576477a0f3c9db98a9d5f38b46010dac473545210bb0
ripemd-160
956cb47a2fda7b400bfbbc470771535000fb8717
Diameter
143011780
Circumference
449284757.4248
Area
1.6063253221547E+16
Volume
1.5314896238695E+24
Surface area
6.4253012886189E+16
Circumference
449284757.4248
Perimeter
286023560
Area
5113092304692100
Diagonal
101124599.42756
Surface area
30678553828152600
Volume
3.6561621589916E+23
Space diagonal
123851834.52043
Perimeter
214517670
Area
2.214033913879E+15
Altitude
61925917.260216
Surface area
2.214033913879E+15
Volume
4.3088284262343E+22
Height
33708199.809186