66776987 is an odd 8-digits composite number following 66776986
and preceding 66776988 . In scientific notation, it is written as 6.6776987 × 10^7.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 64926400 positive integers (up to 66776987) that are relatively prime to 66776987.
66776987 has 8 divisors, whose sum is 68638752
The reverse of 66776987 is 78967766
Previous prime number is 311
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2
Name
sixty-six million seven hundred seventy-six thousand nine hundred eighty-seven
Scientific notation
6.6776987 × 10^7
Engineering notation
6.6776987 × 10^6
Prime Factorization
41 × 311 × 5237
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66776987
Product of the distinct prime numbers
The prime factorization of 66776987 is 41 × 311 × 5237.
Since it has a total of 3 prime factors.
6 , 10 , 4 , 18 , 874 , 874 , 7922 , 7160 , 44066 , 28129 , 341521 , 842185 , 2796135 , 1655707 , 75043132 , 7799969 , 363042794 , 48191012 , 3186286501 , 3217993773
n×2
133553974
n×3
200330961
n×4
267107948
n×5
333884935
n÷2
33388493.5
n÷3
22258995.666667
n÷3
16694246.75
n÷5
13355397.4
n2
4459165992798169
n3
2.9776966953193E+23
n4
1.9884161351328E+31
n5
1.3278043840635E+39
2 √n
8171.7187298634
3 √n
405.70367329554
4 √n
90.397559313642
5 √n
36.721918629008
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
-66776986
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 66776987 can be divided by 8 positive divisors.
The sum of these divisors (counting 66776987) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111110101110111110011011
3
Ternary
11122122121210202
4
Quaternary
3332232332123
5
Quinary
114043330422
6
Senary
10343132415
8
Octal
376567633
10
Decimal
66776987
12
Duodecimal
1a44410b
16
Hexadecimal
3faef9b
20
Vigesimal
10h7297
36
Base36
13r9gb
md5
99f994586ca5f60d3ae9e6e89e739c89
sha1
3b598e5fbd59eef71eb09a50dc68f53051242c69
sha256
227005f179e21812e113381ce41bda2679e514b7a3ab69dc141326d838e01352
sha512
861ba9f8afd6398be4dd4aed5f2d36566e32df8e495f0134f515189e885611dd64c05e3876ef80a18a32490830ce002d0b967d9f2f09cdca351ec04352f92fa8
ripemd-160
974c421286f04e954c5b2bc2a185a8e17223737e
Diameter
133553974
Circumference
419572183.57612
Area
1.4008883124112E+16
Volume
1.2472946750178E+24
Surface area
5.6035532496449E+16
Circumference
419572183.57612
Perimeter
267107948
Area
4459165992798169
Diagonal
94436920.669812
Surface area
26754995956789014
Volume
2.9776966953193E+23
Space diagonal
115661134.26037
Perimeter
200330961
Area
1.9308755147274E+15
Altitude
57830567.130183
Surface area
1.9308755147274E+15
Volume
3.509249209295E+22
Height
31478973.556604