71398281 is an odd 8-digits composite number following 71398280
and preceding 71398282 . In scientific notation, it is written as 7.1398281 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 47522160 positive integers (up to 71398281) that are relatively prime to 71398281.
71398281 has 8 divisors, whose sum is 95351104
The reverse of 71398281 is 18289317
Previous prime number is 631
Is Prime? no Number parity odd Number length 8 Sum of Digits 39 Digital Root 3
Name
seventy-one million three hundred ninety-eight thousand two hundred eighty-one
Scientific notation
7.1398281 × 10^7
Engineering notation
7.1398281 × 10^6
Prime Factorization
3 × 631 × 37717
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
71398281 Product of the distinct prime numbers
The prime factorization of 71398281 is 3 × 631 × 37717.
Since it has a total of 3 prime factors.
10 , 2 , 24 , 23 , 68 , 3 , 8085 , 8352 , 86276 , 20817 , 895217 , 237117 , 2083791 , 6962985 , 25693432 , 9378395 , 672105680 , 542265388 , 7665768333 , 8594045549
n×2
142796562
n×3
214194843
n×4
285593124
n×5
356991405
n÷2
35699140.5
n÷3
23799427
n÷3
17849570.25
n÷5
14279656.2
n2
5097714529754961
n3
3.6396805445323E+23
n4
2.5986693426875E+31
n5
1.8554052395529E+39
2 √n8449.7503513417
3 √n414.85460818753
4 √n91.922523634536
5 √n37.216673390226
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
-71398280 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 71398281 can be divided by 8 positive divisors.
The sum of these divisors (counting 71398281) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000010111001110001001
3
Ternary
11222100102000210
4
Quaternary
10100113032021
5
Quinary
121234221111
6
Senary
11030151333
8
Octal
420271611
10
Decimal
71398281
12
Duodecimal
1bab2549
16
Hexadecimal
4417389
20
Vigesimal
1264fe1
36
Base36
16ib9l
md5
7551c144fb711d0016bb83aef831669c
sha1
7a122c5421beb18cd60e87ef9160500e22772fb1
sha256
d4f16e3cd3574a8c04ba943e7cf0ec5f81f67dc491c0cf924526e5214c3cfc6c
sha512
9bb9f1ca69af8834c9377356bafb2e345cf3cd6fb48790f6e7a2dc29bf8adfdd48aa95abb02a4a92ce12b65530e749778a7bf59b8792d0971f9bc141ec48f9ac
ripemd-160
b72a84f4977cc6bce870cfecdee97d01fb4bbe0d
Diameter
142796562
Circumference
448608630.13708
Area
1.6014942516776E+16
Volume
1.5245858213488E+24
Surface area
6.4059770067105E+16
Circumference
448608630.13708
Perimeter
285593124
Area
5097714529754961
Diagonal
100972417.32033
Surface area
30586287178529766
Volume
3.6396805445323E+23
Space diagonal
123665450.26508
Perimeter
214194843
Area
2.2073751420044E+15
Altitude
61832725.13254
Surface area
2.2073751420044E+15
Volume
4.2894046573192E+22
Height
33657472.440108