81293359 is an odd 8-digits composite number following 81293358
and preceding 81293360 . In scientific notation, it is written as 8.1293359 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 69680016 positive integers (up to 81293359) that are relatively prime to 81293359.
81293359 has 4 divisors, whose sum is 92906704
The reverse of 81293359 is 95339218
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-one million two hundred ninety-three thousand three hundred fifty-nine
Scientific notation
8.1293359 × 10^7
Engineering notation
8.1293359 × 10^6
Prime Factorization
7 × 11613337
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81293359
Product of the distinct prime numbers
The prime factorization of 81293359 is 7 × 11613337.
Since it has a total of 2 prime factors.
4 , 6 , 90 , 93 , 413 , 667 , 6715 , 7457 , 92408 , 30643 , 791771 , 188732 , 4100340 , 2685910 , 17486539 , 59712948 , 76959882 , 95655227 , 7338360726 , 6197468932
n×2
162586718
n×3
243880077
n×4
325173436
n×5
406466795
n÷2
40646679.5
n÷3
27097786.333333
n÷3
20323339.75
n÷5
16258671.8
n2
6608610217502881
n3
5.3723612290253E+23
n4
4.3673729006883E+31
n5
3.5503841310253E+39
2 √n
9016.2829924532
3 √n
433.19658360828
4 √n
94.954109929235
5 √n
38.195395710639
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81293358
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81293359 can be divided by 4 positive divisors.
The sum of these divisors (counting 81293359) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110110000111000000101111
3
Ternary
12122222010112011
4
Quaternary
10312013000233
5
Quinary
131302341414
6
Senary
12022222051
8
Octal
466070057
10
Decimal
81293359
12
Duodecimal
23284927
16
Hexadecimal
4d8702f
20
Vigesimal
1581d7j
36
Base36
1ceecv
md5
a55a8c3918c8aa78347b7ed31455f03a
sha1
e6eb4273c9072dfd6996ab6f78419692a11d4733
sha256
f715aab07f82d5d14513b4c384a0e7b4dee3fb8ae1c7d246a8584bd3d5308c6a
sha512
9db77faa5779e97632bcb74b161b68589b085145ca1902d632b61ad4fb329848cd0ccb5146f1e7a6452f2c24330ab80f8870451011e20add30f439e9b171429f
ripemd-160
4066d6d998f48bfa2a28a1ff25a701da1b596ab5
Diameter
162586718
Circumference
510781238.84008
Area
2.0761561309745E+16
Volume
2.2503694092715E+24
Surface area
8.3046245238982E+16
Circumference
510781238.84008
Perimeter
325173436
Area
6608610217502881
Diagonal
114966170.82866
Surface area
39651661305017286
Volume
5.3723612290253E+23
Space diagonal
140804228.10594
Perimeter
243880077
Area
2.8616121660334E+15
Altitude
70402114.052968
Surface area
2.8616121660334E+15
Volume
6.3313884267125E+22
Height
38322056.942888