81330453 is an odd 8-digits composite number following 81330452
and preceding 81330454 . In scientific notation, it is written as 8.1330453 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 52470720 positive integers (up to 81330453) that are relatively prime to 81330453.
81330453 has 16 divisors, whose sum is 124377600
The reverse of 81330453 is 35403318
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
eighty-one million three hundred thirty thousand four hundred fifty-three
Scientific notation
8.1330453 × 10^7
Engineering notation
8.1330453 × 10^6
Prime Factorization
9 × 3 × 31 × 97169
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81330453
Product of the distinct prime numbers
The prime factorization of 81330453 is 9 × 3 × 31 × 97169.
Since it has a total of 4 prime factors.
3 , 2 , 12 , 70 , 252 , 239 , 5168 , 8804 , 71298 , 95102 , 513445 , 19098 , 7913632 , 4794681 , 99015699 , 839155 , 416379893 , 562953779 , 1259242481 , 3560009166
n×2
162660906
n×3
243991359
n×4
325321812
n×5
406652265
n÷2
40665226.5
n÷3
27110151
n÷3
20332613.25
n÷5
16266090.6
n2
6614642585185209
n3
5.379718778862E+23
n4
4.3753496529746E+31
n5
3.5584916930981E+39
2 √n
9018.3398139569
3 √n
433.26246250583
4 √n
94.964939919725
5 √n
38.198880771411
1 , 3 , 9 , 27 , 31 , 93 , 279 , 837 , 97169 , 291507 , 874521 , 2623563 , 3012239 , 9036717 , 27110151 , 81330453
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
-81330452
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 81330453 can be divided by 16 positive divisors.
The sum of these divisors (counting 81330453) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110010000000100010101
3
Ternary
12200001000102000
4
Quaternary
10312100010111
5
Quinary
131310033303
6
Senary
12023105513
8
Octal
466200425
10
Decimal
81330453
12
Duodecimal
232a2299
16
Hexadecimal
4d90115
20
Vigesimal
158662d
36
Base36
1cf6z9
md5
5de51d91e6f4c6fbaa01653dafeccd8c
sha1
9f92bdbce32dbb205e524cf30ed2026aad61cde2
sha256
99d6d82aa76e5e2982635ddbc613ea0eebcd1bccacd2c3a7f33d070dfd28d56b
sha512
0a0491cb6ad85ac942f9a57d0bb9846663d384d1c427ea75277553a436bd60b1993e2093ef1d4925ada0590e416fc0ac3a73a96a6ca5a81de9ddd315513b6f69
ripemd-160
c10d54b4a1635a6b47f75df90a619cc5225572ae
Diameter
162660906
Circumference
511014307.31586
Area
2.078051255174E+16
Volume
2.2534513325403E+24
Surface area
8.312205020696E+16
Circumference
511014307.31586
Perimeter
325321812
Area
6614642585185209
Diagonal
115018629.66655
Surface area
39687855511111254
Volume
5.379718778862E+23
Space diagonal
140868476.79859
Perimeter
243991359
Area
2.8642242578624E+15
Altitude
70434238.399296
Surface area
2.8642242578624E+15
Volume
6.3400593823499E+22
Height
38339543.222183