81738406 is an even 8-digits composite number following 81738405
and preceding 81738407 . In scientific notation, it is written as 8.1738406 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 40806528 positive integers (up to 81738406) that are relatively prime to 81738406.
81738406 has 8 divisors, whose sum is 122795640
The reverse of 81738406 is 60483718
Previous prime number is 659
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-one million seven hundred thirty-eight thousand four hundred six
Scientific notation
8.1738406 × 10^7
Engineering notation
8.1738406 × 10^6
Prime Factorization
2 × 659 × 62017
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81738406
Product of the distinct prime numbers
The prime factorization of 81738406 is 2 × 659 × 62017.
Since it has a total of 3 prime factors.
9 , 7 , 15 , 67 , 682 , 772 , 4635 , 6233 , 9253 , 60034 , 252781 , 88501 , 2736658 , 1569785 , 98289347 , 95830805 , 586193284 , 827321671 , 9172725982 , 9919886708
n×2
163476812
n×3
245215218
n×4
326953624
n×5
408692030
n÷2
40869203
n÷3
27246135.333333
n÷3
20434601.5
n÷5
16347681.2
n2
6681167015420836
n3
5.4610794206028E+23
n4
4.4637992687947E+31
n5
3.6486383693525E+39
2 √n
9040.9294876135
3 √n
433.98566850818
4 √n
95.083802446124
5 √n
38.237125180034
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
-81738405
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 81738406 can be divided by 8 positive divisors.
The sum of these divisors (counting 81738406) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110111110011101010100110
3
Ternary
12200210202000101
4
Quaternary
10313303222212
5
Quinary
131411112111
6
Senary
12035534314
8
Octal
467635246
10
Decimal
81738406
12
Duodecimal
2345a39a
16
Hexadecimal
4df3aa6
20
Vigesimal
15ah606
36
Base36
1cnxra
md5
394feac586ff983e0f021ca0d0426269
sha1
cba620b240ea6e7726ed45cd821c6ff57816f514
sha256
b3a11157bb6be5b8f9a741bde05db8477046899279058cecc6bd18e02c5cb2bd
sha512
bc93308009f426f2f69b6d1427847bb6a79987fc7862a8166b0a1b6294bb7e5941e8c254ff038120df0360c8322003b1f7ce277216aa327a45459140b5500825
ripemd-160
a23ab339414340d1d7c4ff95d1ad1e2b6b83020e
Diameter
163476812
Circumference
513577551.61148
Area
2.0989505213053E+16
Volume
2.2875315984581E+24
Surface area
8.395802085221E+16
Circumference
513577551.61148
Perimeter
326953624
Area
6681167015420836
Diagonal
115595562.33196
Surface area
40087002092525016
Volume
5.4610794206028E+23
Space diagonal
141575072.12169
Perimeter
245215218
Area
2.8930301811406E+15
Altitude
70787536.060846
Surface area
2.8930301811406E+15
Volume
6.4359438181775E+22
Height
38531854.110653