81783669 is an odd 8-digits composite number following 81783668
and preceding 81783670 . In scientific notation, it is written as 8.1783669 × 10^7.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 49565840 positive integers (up to 81783669) that are relatively prime to 81783669.
81783669 has 8 divisors, whose sum is 118958112
The reverse of 81783669 is 96638718
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
eighty-one million seven hundred eighty-three thousand six hundred sixty-nine
Scientific notation
8.1783669 × 10^7
Engineering notation
8.1783669 × 10^6
Prime Factorization
3 × 11 × 2478293
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81783669
Product of the distinct prime numbers
The prime factorization of 81783669 is 3 × 11 × 2478293.
Since it has a total of 3 prime factors.
5 , 4 , 64 , 5 , 257 , 829 , 9005 , 8951 , 94881 , 59476 , 170548 , 473706 , 4060507 , 2483110 , 33166712 , 79383954 , 811299454 , 855510757 , 9004583603 , 6924104104
n×2
163567338
n×3
245351007
n×4
327134676
n×5
408918345
n÷2
40891834.5
n÷3
27261223
n÷3
20445917.25
n÷5
16356733.8
n2
6688568515101561
n3
5.4701567352289E+23
n4
4.4736948781208E+31
n5
3.6587518111923E+39
2 √n
9043.4323682991
3 √n
434.0657608805
4 √n
95.09696298147
5 √n
38.241359037409
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
-81783668
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 81783669 can be divided by 8 positive divisors.
The sum of these divisors (counting 81783669) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110111111110101101110101
3
Ternary
12200220001002210
4
Quaternary
10313332231311
5
Quinary
131414034134
6
Senary
12040524033
8
Octal
467765565
10
Decimal
81783669
12
Duodecimal
23480619
16
Hexadecimal
4dfeb75
20
Vigesimal
15b2j39
36
Base36
1cowol
md5
6fde0c000e0f6913d678064e35796afe
sha1
0ee070f5f1416a0f1c01962466b3c5cfb32630e1
sha256
62aa70e64cf93c0ba6970ab1b01b56066f9f175013e4da81ac1c82c93b83da34
sha512
5955c6bff00356ec7cd8b6d4cb997c74207c30a749abb92138742e1d5b51e1d42fae61c23e2e3c382decb1afd3f8c45c1124507b2d729ba8e40605d01523570a
ripemd-160
fb5c7475877acdec8f5d4de43c29b1069a1baac1
Diameter
163567338
Circumference
513861947.42804
Area
2.1012757710075E+16
Volume
2.2913338951173E+24
Surface area
8.40510308403E+16
Circumference
513861947.42804
Perimeter
327134676
Area
6688568515101561
Diagonal
115659573.88043
Surface area
40131411090609366
Volume
5.4701567352289E+23
Space diagonal
141653469.9374
Perimeter
245351007
Area
2.8962351245154E+15
Altitude
70826734.968698
Surface area
2.8962351245154E+15
Volume
6.446641536056E+22
Height
38553191.293477