66936987 is an odd 8-digits composite number following 66936986
and preceding 66936988 . In scientific notation, it is written as 6.6936987 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 40941504 positive integers (up to 66936987) that are relatively prime to 66936987.
66936987 has 16 divisors, whose sum is 80582880
The reverse of 66936987 is 78963966
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
sixty-six million nine hundred thirty-six thousand nine hundred eighty-seven
Scientific notation
6.6936987 × 10^7
Engineering notation
6.6936987 × 10^6
Prime Factorization
9 × 13 × 173 × 3307
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66936987
Product of the distinct prime numbers
The prime factorization of 66936987 is 9 × 13 × 173 × 3307.
Since it has a total of 4 prime factors.
1 , 10 , 80 , 47 , 555 , 594 , 7199 , 8446 , 59403 , 67696 , 546539 , 253495 , 4445792 , 1396440 , 136639 , 80759620 , 16088354 , 709580635 , 9661469422 , 8272944736
n×2
133873974
n×3
200810961
n×4
267747948
n×5
334684935
n÷2
33468493.5
n÷3
22312329
n÷3
16734246.75
n÷5
13387397.4
n2
4480560228638169
n3
2.9991520177707E+23
n4
2.0075419962454E+31
n5
1.3437881250463E+39
2 √n
8181.5027348281
3 √n
406.02744158391
4 √n
90.451659657676
5 √n
36.739499188294
1 , 9 , 13 , 117 , 173 , 1557 , 2249 , 3307 , 20241 , 29763 , 42991 , 386919 , 572111 , 5148999 , 7437443 , 66936987
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
-66936986
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 66936987 can be divided by 16 positive divisors.
The sum of these divisors (counting 66936987) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111111010110000010011011
3
Ternary
11122221202021200
4
Quaternary
3333112002123
5
Quinary
114113440422
6
Senary
10350405243
8
Octal
377260233
10
Decimal
66936987
12
Duodecimal
1a500823
16
Hexadecimal
3fd609b
20
Vigesimal
10i7297
36
Base36
13uowr
md5
73598da3e7358fc003686eab4c7ea737
sha1
685a02ba23dfb9f7823191703b5547c71657ace7
sha256
819e0c29ccc2a789369aa64786a02c92421052250a97540e3866a842b5b4e4b3
sha512
eefea7a1ad99fbebbcde41af4efa3dc35986f44fba775012c09787c83ed4fd191f396900f8b2719bbf64c27dfa2b3abec70e089314385bb75fe78b51542c40d6
ripemd-160
8f44afb62892d72a711e148badb3767ba3d584ca
Diameter
133873974
Circumference
420577493.22527
Area
1.4076095098256E+16
Volume
1.2562818594703E+24
Surface area
5.6304380393025E+16
Circumference
420577493.22527
Perimeter
267747948
Area
4480560228638169
Diagonal
94663194.839792
Surface area
26883361371829014
Volume
2.9991520177707E+23
Space diagonal
115938262.38958
Perimeter
200810961
Area
1.9401394905934E+15
Altitude
57969131.194789
Surface area
1.9401394905934E+15
Volume
3.5345345492916E+22
Height
31554398.279931