81745462 is an even 8-digits composite number following 81745461
and preceding 81745463 . In scientific notation, it is written as 8.1745462 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 40849392 positive integers (up to 81745462) that are relatively prime to 81745462.
81745462 has 8 divisors, whose sum is 122688216
The reverse of 81745462 is 26454718
Previous prime number is 1907
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-one million seven hundred forty-five thousand four hundred sixty-two
Scientific notation
8.1745462 × 10^7
Engineering notation
8.1745462 × 10^6
Prime Factorization
2 × 1907 × 21433
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81745462
Product of the distinct prime numbers
The prime factorization of 81745462 is 2 × 1907 × 21433.
Since it has a total of 3 prime factors.
1 , 1 , 34 , 31 , 422 , 291 , 112 , 9390 , 77196 , 61362 , 957056 , 467229 , 7303341 , 6781219 , 29930428 , 72201386 , 797942817 , 664035480 , 1263168742 , 1210494882
n×2
163490924
n×3
245236386
n×4
326981848
n×5
408727310
n÷2
40872731
n÷3
27248487.333333
n÷3
20436365.5
n÷5
16349092.4
n2
6682320557593444
n3
5.4624938121257E+23
n4
4.4653408034436E+31
n5
3.6502134696495E+39
2 √n
9041.3197045564
3 √n
433.99815596631
4 √n
95.085854387266
5 √n
38.237785314854
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
-81745461
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 81745462 can be divided by 8 positive divisors.
The sum of these divisors (counting 81745462) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110111110101011000110110
3
Ternary
12200211002200201
4
Quaternary
10313311120312
5
Quinary
131411323322
6
Senary
12040031114
8
Octal
467653066
10
Decimal
81745462
12
Duodecimal
2346249a
16
Hexadecimal
4df5636
20
Vigesimal
15ai3d2
36
Base36
1co37a
md5
d422139a00d05891ce722e0b107c14ad
sha1
2ca853c49bf2f7c2c7983fa9207081a9afe2719c
sha256
f106db9813f594c2d94216008f8e794a61efd523f9a8fd6c2b1877f0b5aa0681
sha512
a0219951ce059781950ce92a5b01f5e5dd52e9d2dc02542d6292ca84f27343f2fdc7121383ca43469cc7eb576c88cbc34c28af774295bb5e3d8a31c50a959fd0
ripemd-160
a34b8007482cc45e97f151ff70fa017e3450d7fd
Diameter
163490924
Circumference
513621885.76701
Area
2.0993129172668E+16
Volume
2.2881240573939E+24
Surface area
8.397251669067E+16
Circumference
513621885.76701
Perimeter
326981848
Area
6682320557593444
Diagonal
115605541.02285
Surface area
40093923345560664
Volume
5.4624938121257E+23
Space diagonal
141587293.47219
Perimeter
245236386
Area
2.8935296795535E+15
Altitude
70793646.736095
Surface area
2.8935296795535E+15
Volume
6.4376106945728E+22
Height
38535180.340951