81461567 is an odd 8-digits composite number following 81461566
and preceding 81461568 . In scientific notation, it is written as 8.1461567 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 73335960 positive integers (up to 81461567) that are relatively prime to 81461567.
81461567 has 8 divisors, whose sum is 89731200
The reverse of 81461567 is 76516418
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-one million four hundred sixty-one thousand five hundred sixty-seven
Scientific notation
8.1461567 × 10^7
Engineering notation
8.1461567 × 10^6
Prime Factorization
11 × 103 × 71899
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81461567
Product of the distinct prime numbers
The prime factorization of 81461567 is 11 × 103 × 71899.
Since it has a total of 3 prime factors.
4 , 1 , 33 , 4 , 990 , 639 , 8430 , 629 , 1592 , 54756 , 805100 , 727697 , 6761163 , 382404 , 92317434 , 44728471 , 555844351 , 999451439 , 925050085 , 2216652737
n×2
162923134
n×3
244384701
n×4
325846268
n×5
407307835
n÷2
40730783.5
n÷3
27153855.666667
n÷3
20365391.75
n÷5
16292313.4
n2
6635986898095489
n3
5.4057789131033E+23
n4
4.4036322111695E+31
n5
3.5872678041354E+39
2 √n
9025.6061846283
3 √n
433.49516040018
4 √n
95.00319039184
5 √n
38.211189030712
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
-81461566
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 81461567 can be divided by 8 positive divisors.
The sum of these divisors (counting 81461567) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110110000000100111111
3
Ternary
12200021200021002
4
Quaternary
10312300010333
5
Quinary
131323232232
6
Senary
12030000515
8
Octal
466600477
10
Decimal
81461567
12
Duodecimal
2334613b
16
Hexadecimal
4db013f
20
Vigesimal
1592di7
36
Base36
1ci05b
md5
a5e7c32a55648f8a1fb36cebbf3140fc
sha1
033a2a3c6aa3b7c0db7f70424eb46ec1970bba4c
sha256
873ee9ae315e9126bd7ea0decf2c947686298722e0d097599059093683562ffb
sha512
6250a276f09b9ca519f3c3af3cea06e49e96347c89fd15b7fc8b513543e4641ba32d9e96bc18bc45901609bc71f1928c25d3f9dfa9db889aeb2f7a73504c4fa2
ripemd-160
e3ef9dd7f308d03d87c3c1b3e360259a91071100
Diameter
162923134
Circumference
511838120.87423
Area
2.0847567688375E+16
Volume
2.2643673760448E+24
Surface area
8.33902707535E+16
Circumference
511838120.87423
Perimeter
325846268
Area
6635986898095489
Diagonal
115204052.86356
Surface area
39815921388572934
Volume
5.4057789131033E+23
Space diagonal
141095572.90818
Perimeter
244384701
Area
2.8734666164657E+15
Altitude
70547786.454088
Surface area
2.8734666164657E+15
Volume
6.3707715450843E+22
Height
38401350.954522