81434265 is an odd 8-digits composite number following 81434264
and preceding 81434266 . In scientific notation, it is written as 8.1434265 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 39483200 positive integers (up to 81434265) that are relatively prime to 81434265.
81434265 has 16 divisors, whose sum is 142140096
The reverse of 81434265 is 56243418
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighty-one million four hundred thirty-four thousand two hundred sixty-five
Scientific notation
8.1434265 × 10^7
Engineering notation
8.1434265 × 10^6
Prime Factorization
11 × 3 × 5 × 493541
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81434265
Product of the distinct prime numbers
The prime factorization of 81434265 is 11 × 3 × 5 × 493541.
Since it has a total of 4 prime factors.
6 , 3 , 82 , 36 , 581 , 626 , 1264 , 6887 , 37144 , 66085 , 306054 , 170087 , 5042102 , 4163947 , 44312225 , 77445476 , 875726883 , 340534221 , 8232720725 , 4209307708
n×2
162868530
n×3
244302795
n×4
325737060
n×5
407171325
n÷2
40717132.5
n÷3
27144755
n÷3
20358566.25
n÷5
16286853
n2
6631539516090225
n3
5.4003454631126E+23
n4
4.3977316353466E+31
n5
3.581260433917E+39
2 √n
9024.0935832913
3 √n
433.4467260781
4 √n
94.995229265955
5 √n
38.208627376653
1 , 3 , 5 , 11 , 15 , 33 , 55 , 165 , 493541 , 1480623 , 2467705 , 5428951 , 7403115 , 16286853 , 27144755 , 81434265
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
-81434264
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 81434265 can be divided by 16 positive divisors.
The sum of these divisors (counting 81434265) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110101001011010011001
3
Ternary
12200020021210220
4
Quaternary
10312221122121
5
Quinary
131321344030
6
Senary
12025230253
8
Octal
466513231
10
Decimal
81434265
12
Duodecimal
23332389
16
Hexadecimal
4da9699
20
Vigesimal
158j5d5
36
Base36
1chf2x
md5
3bc34c7869ce68e87c1e46e07e338d30
sha1
35eac28e649496b125f6c12251c5d2e4cfc6088f
sha256
363fc46d81d71c01e89c47468143266013332eee93be484c6b69b59d4210cab6
sha512
fcc1da9260480c3c62b4aea5b3f890ee3069bd1608082efd658b9dfc55d4f0831f6db4a7f0cab05c6444f6e46dc962ff9a9a54c753de056fcbd40f08a5ec903b
ripemd-160
d4b619dca7ecab17c96eb1da2785fe318e156ddd
Diameter
162868530
Circumference
511666577.34897
Area
2.0833595825739E+16
Volume
2.2620914178349E+24
Surface area
8.3334383302958E+16
Circumference
511666577.34897
Perimeter
325737060
Area
6631539516090225
Diagonal
115165442.00488
Surface area
39789237096541350
Volume
5.4003454631126E+23
Space diagonal
141048284.45703
Perimeter
244302795
Area
2.8715408435672E+15
Altitude
70524142.228514
Surface area
2.8715408435672E+15
Volume
6.3643681628616E+22
Height
38388480.668295