81676516 is an even 8-digits composite number following 81676515
and preceding 81676517 . In scientific notation, it is written as 8.1676516 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 38688840 positive integers (up to 81676516) that are relatively prime to 81676516.
81676516 has 12 divisors, whose sum is 150456880
The reverse of 81676516 is 61567618
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-one million six hundred seventy-six thousand five hundred sixteen
Scientific notation
8.1676516 × 10^7
Engineering notation
8.1676516 × 10^6
Prime Factorization
2 × 2 × 19 × 1074691
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40838258
Product of the distinct prime numbers
The prime factorization of 81676516 is 2 × 2 × 19 × 1074691.
Since it has a total of 4 prime factors.
1 , 10 , 86 , 91 , 140 , 817 , 7037 , 6370 , 72535 , 80348 , 744537 , 545798 , 6084933 , 5554556 , 72271142 , 41443734 , 452353888 , 729082795 , 3428043534 , 4425971255
n×2
163353032
n×3
245029548
n×4
326706064
n×5
408382580
n÷2
40838258
n÷3
27225505.333333
n÷3
20419129
n÷5
16335303.2
n2
6671053265898256
n3
5.4486838880899E+23
n4
4.4502951676452E+31
n5
3.6348460446489E+39
2 √n
9037.5060719205
3 √n
433.87610697629
4 √n
95.06579864452
5 √n
38.231333012419
1 , 2 , 4 , 19 , 38 , 76 , 1074691 , 2149382 , 4298764 , 20419129 , 40838258 , 81676516
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81676515
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81676516 can be divided by 12 positive divisors.
The sum of these divisors (counting 81676516) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110111100100100011100100
3
Ternary
12200200121010011
4
Quaternary
10313210203210
5
Quinary
131402122031
6
Senary
12034340004
8
Octal
467444344
10
Decimal
81676516
12
Duodecimal
2342a604
16
Hexadecimal
4de48e4
20
Vigesimal
15a9b5g
36
Base36
1cmm04
md5
eb2b0a8a80316a3e45dab52eee1be861
sha1
a645f8f4161e12d518a984ffdffd2eca95a98075
sha256
138265aac4f5ac72c77173364566c1199c623fbda179efac0ef8cd2ed0af25e0
sha512
406afc880b601807cb7f397644b3ba24a698241b5b84ef3d0060ca1d3f830f3016724e5e4d9ac205c55a7ff68db64d7f09bc1ca7178b5cb257d2358e14150e61
ripemd-160
572a01bb33586c176a60e98d7ab122fe75b12dfc
Diameter
163353032
Circumference
513188685.27282
Area
2.0957731931852E+16
Volume
2.2823393699408E+24
Surface area
8.3830927727409E+16
Circumference
513188685.27282
Perimeter
326706064
Area
6671053265898256
Diagonal
115508036.65458
Surface area
40026319595389536
Volume
5.4486838880899E+23
Space diagonal
141467875.49721
Perimeter
245029548
Area
2.8886507991335E+15
Altitude
70733937.748606
Surface area
2.8886507991335E+15
Volume
6.4213355430171E+22
Height
38502678.884861