66949761 is an odd 8-digits composite number following 66949760
and preceding 66949762 . In scientific notation, it is written as 6.6949761 × 10^7.
The sum of its digits is 48. It has a total of 5 prime factors and 32 positive divisors.
There are 41333760 positive integers (up to 66949761) that are relatively prime to 66949761.
66949761 has 32 divisors, whose sum is 96219648
The reverse of 66949761 is 16794966
Previous prime number is 313
Is Prime? no Number parity odd Number length 8 Sum of Digits 48 Digital Root 3
Name
sixty-six million nine hundred forty-nine thousand seven hundred sixty-one
Scientific notation
6.6949761 × 10^7
Engineering notation
6.6949761 × 10^6
Prime Factorization
3 × 37 × 41 × 313 × 47
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
66949761 Product of the distinct prime numbers
The prime factorization of 66949761 is 3 × 37 × 41 × 313 × 47.
Since it has a total of 5 prime factors.
4 , 6 , 8 , 5 , 64 , 953 , 9169 , 1566 , 44514 , 2746 , 47902 , 739884 , 7019667 , 7332016 , 88281514 , 18032886 , 534004967 , 787029944 , 9448456266 , 614739971
n×2
133899522
n×3
200849283
n×4
267799044
n×5
334748805
n÷2
33474880.5
n÷3
22316587
n÷3
16737440.25
n÷5
13389952.2
n2
4482270497957121
n3
3.0008693857558E+23
n4
2.0090748816857E+31
n5
1.3450708315996E+39
2 √n8182.2833610185
3 √n406.0532681853
4 √n90.455974711561
5 √n36.740901326523
1 , 3 , 37 , 41 , 47 , 111 , 123 , 141 , 313 , 939 , 1517 , 1739 , 1927 , 4551 , 5217 , 5781 , 11581 , 12833 , 14711 , 34743 , 38499 , 44133 , 71299 , 213897 , 474821 , 544307 , 603151 , 1424463 , 1632921 , 1809453 , 22316587 , 66949761
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-66949760 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66949761 can be divided by 32 positive divisors.
The sum of these divisors (counting 66949761) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11111111011001001010000001
3
Ternary
11122222101210210
4
Quaternary
3333121022001
5
Quinary
114114343021
6
Senary
10350544333
8
Octal
377311201
10
Decimal
66949761
12
Duodecimal
1a5080a9
16
Hexadecimal
3fd9281
20
Vigesimal
10i8e81
36
Base36
13uyrl
md5
7c6679521ea1c436a14304637a9bf182
sha1
bd23067a08288bca8f705cd31e4ed6d0d821e7ee
sha256
bfc7daba2c758d25709e5e549b6d27e27bf40aa942710df159fdf2c27975300b
sha512
4e95429865284ab710a4853c2c7e5b6fbe9da4ffddc8397f07bafb028e729758a762119d50b8370690683d5fb9a950ca376021141c8cbe24487aac14fcd1858c
ripemd-160
06019b543a55804672d00e8f5cf5b6b06427fd93
Diameter
133899522
Circumference
420657754.63438
Area
1.4081468067784E+16
Volume
1.2570012288897E+24
Surface area
5.6325872271137E+16
Circumference
420657754.63438
Perimeter
267799044
Area
4482270497957121
Diagonal
94681260.003837
Surface area
26893622987742726
Volume
3.0008693857558E+23
Space diagonal
115960387.60659
Perimeter
200849283
Area
1.9408800589322E+15
Altitude
57980193.803297
Surface area
1.9408800589322E+15
Volume
3.5365584868717E+22
Height
31560420.001279