76687281 is an odd 8-digits composite number following 76687280
and preceding 76687282 . In scientific notation, it is written as 7.6687281 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 44872800 positive integers (up to 76687281) that are relatively prime to 76687281.
76687281 has 16 divisors, whose sum is 112831488
The reverse of 76687281 is 18278667
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-six million six hundred eighty-seven thousand two hundred eighty-one
Scientific notation
7.6687281 × 10^7
Engineering notation
7.6687281 × 10^6
Prime Factorization
87 × 3 × 11 × 26711
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
76687281
Product of the distinct prime numbers
The prime factorization of 76687281 is 87 × 3 × 11 × 26711.
Since it has a total of 4 prime factors.
4 , 1 , 12 , 50 , 148 , 5 , 1556 , 847 , 62007 , 50676 , 656073 , 92235 , 355439 , 7809833 , 47396433 , 36220075 , 609200349 , 698324266 , 641542762 , 7912699998
n×2
153374562
n×3
230061843
n×4
306749124
n×5
383436405
n÷2
38343640.5
n÷3
25562427
n÷3
19171820.25
n÷5
15337456.2
n2
5880939067172961
n3
4.5099322678817E+23
n4
3.4585444311801E+31
n5
2.6522636864489E+39
2 √n
8757.1274399771
3 √n
424.85537131861
4 √n
93.579524683432
5 √n
37.752408875742
1 , 3 , 11 , 33 , 87 , 261 , 957 , 2871 , 26711 , 80133 , 293821 , 881463 , 2323857 , 6971571 , 25562427 , 76687281
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-76687280
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 76687281 can be divided by 16 positive divisors.
The sum of these divisors (counting 76687281) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100100100100010011110110001
3
Ternary
12100022010011200
4
Quaternary
10210202132301
5
Quinary
124112443111
6
Senary
11335401413
8
Octal
444423661
10
Decimal
76687281
12
Duodecimal
21823269
16
Hexadecimal
49227b1
20
Vigesimal
13j5i41
36
Base36
19noa9
md5
e8d3550cbd53fe829dad2c516a2296f4
sha1
18fba1da374e889229649b997fb102018629660f
sha256
84521274bfe9b9007535a4a956722d54a3d76d7b43655ea89380e1d88b48efb1
sha512
dd1a9daa3a9d2b9048a6eb116e8c5fa546437cda03fe1cfd3af1b574f5491108d5bded03133f9a2f1572abbd27e6f771bcfe24922f03d4e3370d5a56fcac3ead
ripemd-160
f7f667ac1d7b4f7a9f043410b8637f8ce368afe3
Diameter
153374562
Circumference
481840397.22675
Area
1.847551496964E+16
Volume
1.8891160107953E+24
Surface area
7.3902059878559E+16
Circumference
481840397.22675
Perimeter
306749124
Area
5880939067172961
Diagonal
108452192.85172
Surface area
35285634403037766
Volume
4.5099322678817E+23
Space diagonal
132826266.98631
Perimeter
230061843
Area
2.5465213151401E+15
Altitude
66413133.493156
Surface area
2.5465213151401E+15
Volume
5.315006148852E+22
Height
36150730.950572