71385281 is an odd 8-digits composite number following 71385280
and preceding 71385282 . In scientific notation, it is written as 7.1385281 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 62799000 positive integers (up to 71385281) that are relatively prime to 71385281.
71385281 has 8 divisors, whose sum is 78107328
The reverse of 71385281 is 18258317
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
seventy-one million three hundred eighty-five thousand two hundred eighty-one
Scientific notation
7.1385281 × 10^7
Engineering notation
7.1385281 × 10^6
Prime Factorization
341 × 11 × 19031
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71385281
Product of the distinct prime numbers
The prime factorization of 71385281 is 341 × 11 × 19031.
Since it has a total of 3 prime factors.
6 , 7 , 67 , 14 , 191 , 289 , 9608 , 4392 , 359 , 58535 , 398412 , 259246 , 903355 , 6796385 , 72865823 , 85098585 , 471911314 , 33438559 , 8976516305 , 6960888001
n×2
142770562
n×3
214155843
n×4
285541124
n×5
356926405
n÷2
35692640.5
n÷3
23795093.666667
n÷3
17846320.25
n÷5
14277056.2
n2
5095858343448961
n3
3.637692797833E+23
n4
2.5967772256498E+31
n5
1.8537167194741E+39
2 √n
8448.9810628265
3 √n
414.82942813565
4 √n
91.918339099586
5 √n
37.215318029879
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
-71385280
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 71385281 can be divided by 8 positive divisors.
The sum of these divisors (counting 71385281) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000010100000011000001
3
Ternary
11222022202012022
4
Quaternary
10100110003001
5
Quinary
121233312111
6
Senary
11030011225
8
Octal
420240301
10
Decimal
71385281
12
Duodecimal
1baa6b15
16
Hexadecimal
44140c1
20
Vigesimal
1263341
36
Base36
16i18h
md5
03af7a81cdb00e4b0b55a52f43d26862
sha1
e78471ffe0623990ae2fb3eb6f66cb9ceb9fe90b
sha256
281302044c425941acc0789a9630e6502e3ef8ebfc053e7f21749a539998747b
sha512
92f80018b3b8c1eb1a542b69a411a9430f0251367e95d5e9d20218dcdd058b0472d28e87a3f33c9966a9de5d0582e01119dcff0457411bbad9301f65e9efd0e0
ripemd-160
7992a09492b222dfc0a61cd8d7bb7015271276c1
Diameter
142770562
Circumference
448526948.72809
Area
1.6009111135514E+16
Volume
1.5237531959585E+24
Surface area
6.4036444542054E+16
Circumference
448526948.72809
Perimeter
285541124
Area
5095858343448961
Diagonal
100954032.54401
Surface area
30575150060693766
Volume
3.637692797833E+23
Space diagonal
123642933.60458
Perimeter
214155843
Area
2.2065713897568E+15
Altitude
61821466.802291
Surface area
2.2065713897568E+15
Volume
4.2870620753686E+22
Height
33651344.181338