81738401 is an odd 8-digits composite number following 81738400
and preceding 81738402 . In scientific notation, it is written as 8.1738401 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 80476000 positive integers (up to 81738401) that are relatively prime to 81738401.
81738401 has 8 divisors, whose sum is 83008800
The reverse of 81738401 is 10483718
Previous prime number is 251
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighty-one million seven hundred thirty-eight thousand four hundred one
Scientific notation
8.1738401 × 10^7
Engineering notation
8.1738401 × 10^6
Prime Factorization
89 × 251 × 3659
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81738401
Product of the distinct prime numbers
The prime factorization of 81738401 is 89 × 251 × 3659.
Since it has a total of 3 prime factors.
10 , 3 , 16 , 55 , 344 , 896 , 4332 , 9480 , 57692 , 19813 , 406337 , 73209 , 5414645 , 209605 , 37597723 , 51021013 , 502397610 , 835845784 , 5659899840 , 7971628295
n×2
163476802
n×3
245215203
n×4
326953604
n×5
408692005
n÷2
40869200.5
n÷3
27246133.666667
n÷3
20434600.25
n÷5
16347680.2
n2
6681166198036801
n3
5.4610784184278E+23
n4
4.463798176579E+31
n5
3.6486372534028E+39
2 √n
9040.9292110933
3 √n
433.98565965911
4 √n
95.083800992037
5 √n
38.237124712235
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
-81738400
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 81738401 can be divided by 8 positive divisors.
The sum of these divisors (counting 81738401) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110111110011101010100001
3
Ternary
12200210202000012
4
Quaternary
10313303222201
5
Quinary
131411112101
6
Senary
12035534305
8
Octal
467635241
10
Decimal
81738401
12
Duodecimal
2345a395
16
Hexadecimal
4df3aa1
20
Vigesimal
15ah601
36
Base36
1cnxr5
md5
b1fe353b805275b6c09da4a51de37430
sha1
fff50a1dbaa24f0936a72e086e2882a6f9d5fb74
sha256
cef35f6001b96a905f9a5c6b9645cc2611b65d99666587321b54b480749484a3
sha512
bd6dfc2139fbbc45bd3f2fbf9f23102d0e3a12b1fed876e36bbbe526a06d2125c3c6f43718038494114825cd548df1af0f3c1b5f376f27f78ba51af503dce53a
ripemd-160
7847bf704e26a096f878364e974bd1c1b8c0775c
Diameter
163476802
Circumference
513577520.19555
Area
2.0989502645165E+16
Volume
2.2875311786681E+24
Surface area
8.3958010580659E+16
Circumference
513577520.19555
Perimeter
326953604
Area
6681166198036801
Diagonal
115595555.26089
Surface area
40086997188220806
Volume
5.4610784184278E+23
Space diagonal
141575063.46144
Perimeter
245215203
Area
2.8930298272029E+15
Altitude
70787531.730719
Surface area
2.8930298272029E+15
Volume
6.435942637103E+22
Height
38531851.75363