66881488 is an even 8-digits composite number following 66881487
and preceding 66881489 . In scientific notation, it is written as 6.6881488 × 10^7.
The sum of its digits is 49. It has a total of 5 prime factors and 10 positive divisors.
There are 33440736 positive integers (up to 66881488) that are relatively prime to 66881488.
66881488 has 10 divisors, whose sum is 129582914
The reverse of 66881488 is 88418866
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
sixty-six million eight hundred eighty-one thousand four hundred eighty-eight
Scientific notation
6.6881488 × 10^7
Engineering notation
6.6881488 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 4180093
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
8360186
Product of the distinct prime numbers
The prime factorization of 66881488 is 2 × 2 × 2 × 2 × 4180093.
Since it has a total of 5 prime factors.
5 , 3 , 37 , 82 , 794 , 765 , 5292 , 5043 , 96041 , 14893 , 256246 , 540133 , 284556 , 7584037 , 26281657 , 63835872 , 504402512 , 465476189 , 6745905398 , 6446509384
n×2
133762976
n×3
200644464
n×4
267525952
n×5
334407440
n÷2
33440744
n÷3
22293829.333333
n÷3
16720372
n÷5
13376297.6
n2
4473133437094144
n3
2.9916982029541E+23
n4
2.000892274605E+31
n5
1.3382265265328E+39
2 √n
8178.1102951721
3 √n
405.91519498347
4 √n
90.432904936047
5 √n
36.733404853523
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66881487
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66881488 can be divided by 10 positive divisors.
The sum of these divisors (counting 66881488) is 1, the average is 0.1.
Base
System
Value
2
Binary
11111111001000011111010000
3
Ternary
11122211221011011
4
Quaternary
3333020133100
5
Quinary
114110201423
6
Senary
10345300304
8
Octal
377103720
10
Decimal
66881488
12
Duodecimal
1a494694
16
Hexadecimal
3fc87d0
20
Vigesimal
10i03e8
36
Base36
13ti34
md5
8789a628447571a57ebdd7f8584f9b64
sha1
a98fb4ebaf879f43fe25ccb0e489dbe81201b0db
sha256
01d41936a09217c6edc6dfed89a849b482e38e16501f48709d51b145e292fe1c
sha512
5eef96451b884baf83ddeb6c891e0df302824a03aa92f040f28068ffef876d2f525bccf4e8d0951b52c578ee9565ae83a828531f0b266f10ec7235ae85e90547
ripemd-160
e5893fd04edffb1037ac07dbbd7f53759b808bea
Diameter
133762976
Circumference
420228782.72391
Area
1.4052763144502E+16
Volume
1.2531596128211E+24
Surface area
5.6211052578007E+16
Circumference
420228782.72391
Perimeter
267525952
Area
4473133437094144
Diagonal
94584707.401293
Surface area
26838800622564864
Volume
2.9916982029541E+23
Space diagonal
115842135.30181
Perimeter
200644464
Area
1.9369235955206E+15
Altitude
57921067.650904
Surface area
1.9369235955206E+15
Volume
3.5257501442874E+22
Height
31528235.800431