81492046 is an even 8-digits composite number following 81492045
and preceding 81492047 . In scientific notation, it is written as 8.1492046 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 40683720 positive integers (up to 81492046) that are relatively prime to 81492046.
81492046 has 8 divisors, whose sum is 122424984
The reverse of 81492046 is 64029418
Previous prime number is 661
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-one million four hundred ninety-two thousand forty-six
Scientific notation
8.1492046 × 10^7
Engineering notation
8.1492046 × 10^6
Prime Factorization
2 × 661 × 61643
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81492046
Product of the distinct prime numbers
The prime factorization of 81492046 is 2 × 661 × 61643.
Since it has a total of 3 prime factors.
6 , 6 , 69 , 59 , 647 , 411 , 5220 , 8234 , 52043 , 584 , 136944 , 302327 , 5681071 , 9558556 , 84354567 , 78089787 , 771560370 , 575602335 , 8101035947 , 2446779334
n×2
162984092
n×3
244476138
n×4
325968184
n×5
407460230
n÷2
40746023
n÷3
27164015.333333
n÷3
20373011.5
n÷5
16298409.2
n2
6640953561266116
n3
5.4118489309856E+23
n4
4.4102264202893E+31
n5
3.5939837431263E+39
2 √n
9027.2945005688
3 √n
433.54921800467
4 √n
95.012075551315
5 √n
38.214047960663
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
-81492045
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 81492046 can be divided by 8 positive divisors.
The sum of these divisors (counting 81492046) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110110111100001001110
3
Ternary
12200100020001221
4
Quaternary
10312313201032
5
Quinary
131330221141
6
Senary
12030353554
8
Octal
466674116
10
Decimal
81492046
12
Duodecimal
2335b8ba
16
Hexadecimal
4db784e
20
Vigesimal
1596a26
36
Base36
1cinny
md5
25b6479842a76622c5c6e3aff0d365cc
sha1
744cb4cc270958fbff533f6e82324b02d98e8f27
sha256
d5294075a3cf4c4410e8b63013f8468181308b4790fee5f328231ec56b51c827
sha512
fee751781fdec60ba09b79f1549c0244080817165f0045388d15d339c5af175206f910211fc10478ce72fe1cc2d2a5d47e7707f44af148fb6f88c829682c5fdb
ripemd-160
82371998d1f5a4e11ec93e86865677896477232b
Diameter
162984092
Circumference
512029626.0792
Area
2.0863170920905E+16
Volume
2.2669099791896E+24
Surface area
8.3452683683618E+16
Circumference
512029626.0792
Perimeter
325968184
Area
6640953561266116
Diagonal
115247156.67873
Surface area
39845721367596696
Volume
5.4118489309856E+23
Space diagonal
141148364.08474
Perimeter
244476138
Area
2.8756172447046E+15
Altitude
70574182.04237
Surface area
2.8756172447046E+15
Volume
6.3779251297618E+22
Height
38415718.892911