81004047 is an odd 8-digits composite number following 81004046
and preceding 81004048 . In scientific notation, it is written as 8.1004047 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 52032512 positive integers (up to 81004047) that are relatively prime to 81004047.
81004047 has 16 divisors, whose sum is 111961440
The reverse of 81004047 is 74040018
Previous prime number is 953
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
eighty-one million four thousand forty-seven
Scientific notation
8.1004047 × 10^7
Engineering notation
8.1004047 × 10^6
Prime Factorization
3 × 29 × 953 × 977
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81004047
Product of the distinct prime numbers
The prime factorization of 81004047 is 3 × 29 × 953 × 977.
Since it has a total of 4 prime factors.
3 , 3 , 81 , 83 , 579 , 712 , 3603 , 9741 , 75934 , 1260 , 413633 , 508184 , 1424606 , 5781762 , 70981502 , 19397208 , 19065342 , 364563130 , 8535792883 , 218521144
n×2
162008094
n×3
243012141
n×4
324016188
n×5
405020235
n÷2
40502023.5
n÷3
27001349
n÷3
20251011.75
n÷5
16200809.4
n2
6561655630378209
n3
5.3152066108097E+23
n4
4.3055324611674E+31
n5
3.4876555384443E+39
2 √n
9000.2248305251
3 √n
432.6820768784
4 √n
94.869514758562
5 √n
38.168170483726
1 , 3 , 29 , 87 , 953 , 977 , 2859 , 2931 , 27637 , 28333 , 82911 , 84999 , 931081 , 2793243 , 27001349 , 81004047
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
-81004046
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 81004047 can be divided by 16 positive divisors.
The sum of these divisors (counting 81004047) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101000000011000001111
3
Ternary
12122102102122220
4
Quaternary
10311000120033
5
Quinary
131214112142
6
Senary
12012110423
8
Octal
465003017
10
Decimal
81004047
12
Duodecimal
23165413
16
Hexadecimal
4d4060f
20
Vigesimal
1565a27
36
Base36
1c874f
md5
ed2450a20e5d7bc487be38dbf4c6c557
sha1
5e5f3414763156db57d778334842421e07a412bd
sha256
d60ba2857a6f814d2660a0a7c3adde8aeaea9743115012e1f1f2fb74159e8af1
sha512
aa59fcf22862faf0634cb51408c29dbd5e599aad8000fb18d8777f507515174aa0f8cba34a3c2e3d0e411ba045b4c0d222174bd39b41bc07ab7d6448f7eaf6ec
ripemd-160
884dd938a28eba8c5b85dd87cc52811726ce2451
Diameter
162008094
Circumference
508963437.93248
Area
2.0614049123782E+16
Volume
2.2264285387776E+24
Surface area
8.2456196495129E+16
Circumference
508963437.93248
Perimeter
324016188
Area
6561655630378209
Diagonal
114557021.87451
Surface area
39369933782269254
Volume
5.3152066108097E+23
Space diagonal
140303125.0227
Perimeter
243012141
Area
2.8412802333964E+15
Altitude
70151562.511349
Surface area
2.8412802333964E+15
Volume
6.2640310631852E+22
Height
38185673.958169