71281290 is an even 8-digits composite number following 71281289
and preceding 71281291 . In scientific notation, it is written as 7.1281290 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 18450432 positive integers (up to 71281290) that are relatively prime to 71281290.
71281290 has 16 divisors, whose sum is 108205056
The reverse of 71281290 is 09218217
Previous prime number is 127
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
seventy-one million two hundred eighty-one thousand two hundred ninety
Scientific notation
7.1281290 × 10^7
Engineering notation
7.1281290 × 10^6
Prime Factorization
2 × 795 × 127 × 353
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71281290
Product of the distinct prime numbers
The prime factorization of 71281290 is 2 × 795 × 127 × 353.
Since it has a total of 4 prime factors.
8 , 8 , 54 , 35 , 755 , 26 , 5312 , 2561 , 89798 , 3818 , 448095 , 370550 , 5761680 , 286685 , 33928899 , 86052399 , 479151506 , 720106724 , 7614909912 , 4097752052
n×2
142562580
n×3
213843870
n×4
285125160
n×5
356406450
n÷2
35640645
n÷3
23760430
n÷3
17820322.5
n÷5
14256258
n2
5081022304064100
n3
3.6218182435246E+23
n4
2.5816787654397E+31
n5
1.8402539276615E+39
2 √n
8442.8247642599
3 √n
414.62789503305
4 √n
91.884845128345
5 √n
37.204468972063
1 , 2 , 127 , 254 , 353 , 706 , 795 , 1590 , 44831 , 89662 , 100965 , 201930 , 280635 , 561270 , 35640645 , 71281290
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
-71281289
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 71281290 can be divided by 16 positive divisors.
The sum of these divisors (counting 71281290) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100001111111010101010001010
3
Ternary
11222010110112210
4
Quaternary
10033322222022
5
Quinary
121222000130
6
Senary
11023445550
8
Octal
417725212
10
Decimal
71281290
12
Duodecimal
1ba568b6
16
Hexadecimal
43faa8a
20
Vigesimal
125a34a
36
Base36
16fszu
md5
af9dbc8b79ab766347367e25dcd48fcf
sha1
b615b16bbb2ca4ed0e19e1495214784c96783a6a
sha256
7a8ba0d53ddfb2cb81cca6daf7c709d4e3da769d94f691648833b430e547c854
sha512
dba61896891a0b5280d2470dadea7b000bc0359ef92a4529d5b1d98aadb3207fde346bd18e70dcdee6e175116dc2c67775200c534912c9d5b5e4e7212f6ae85c
ripemd-160
e44493615282cdc55e09cda5fa934c418e44f098
Diameter
142562580
Circumference
447873554.00481
Area
1.5962502343174E+16
Volume
1.5171036781993E+24
Surface area
6.3850009372695E+16
Circumference
447873554.00481
Perimeter
285125160
Area
5081022304064100
Diagonal
100806967.06145
Surface area
30486133824384600
Volume
3.6218182435246E+23
Space diagonal
123462815.90905
Perimeter
213843870
Area
2.2001471962574E+15
Altitude
61731407.954526
Surface area
2.2001471962574E+15
Volume
4.2683537337023E+22
Height
33602322.353817