66881445 is an odd 8-digits composite number following 66881444
and preceding 66881446 . In scientific notation, it is written as 6.6881445 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 35536320 positive integers (up to 66881445) that are relatively prime to 66881445.
66881445 has 16 divisors, whose sum is 107411712
The reverse of 66881445 is 54418866
Previous prime number is 271
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
sixty-six million eight hundred eighty-one thousand four hundred forty-five
Scientific notation
6.6881445 × 10^7
Engineering notation
6.6881445 × 10^6
Prime Factorization
3 × 5 × 271 × 16453
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66881445
Product of the distinct prime numbers
The prime factorization of 66881445 is 3 × 5 × 271 × 16453.
Since it has a total of 4 prime factors.
6 , 9 , 63 , 29 , 275 , 242 , 3570 , 8550 , 74567 , 50748 , 262387 , 288943 , 268045 , 34212 , 18897405 , 18439695 , 462807022 , 546423074 , 3097657981 , 7856194386
n×2
133762890
n×3
200644335
n×4
267525780
n×5
334407225
n÷2
33440722.5
n÷3
22293815
n÷3
16720361.25
n÷5
13376289
n2
4473127685288025
n3
2.9916924326157E+23
n4
2.000887128889E+31
n5
1.33822222462E+39
2 √n
8178.1076662025
3 √n
405.915107992
4 √n
90.432890400575
5 √n
36.733400130133
1 , 3 , 5 , 15 , 271 , 813 , 1355 , 4065 , 16453 , 49359 , 82265 , 246795 , 4458763 , 13376289 , 22293815 , 66881445
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
-66881444
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 66881445 can be divided by 16 positive divisors.
The sum of these divisors (counting 66881445) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111111001000011110100101
3
Ternary
11122211221002120
4
Quaternary
3333020132211
5
Quinary
114110201240
6
Senary
10345300153
8
Octal
377103645
10
Decimal
66881445
12
Duodecimal
1a494659
16
Hexadecimal
3fc87a5
20
Vigesimal
10i03c5
36
Base36
13ti1x
md5
a9925caa1ecff2fd7e6bc74a74e35e47
sha1
4e2d5b925d5fbe47f943b6380cacd449251d80e7
sha256
911086841591504e2e698f81a1402f8f37f53e1b47dc0e834d267ccfd267ba35
sha512
109874cd0c5be28cc3b0233e16f62d0487d05263feb2deac4045561d8969fc10f5a8a4af0ce325326cac9322b758720562ffb4188728a97ea9188029d674b351
ripemd-160
0c152d5defbd35880fa530e1978da6b753206f03
Diameter
133762890
Circumference
420228512.54694
Area
1.405274507467E+16
Volume
1.2531571957474E+24
Surface area
5.621098029868E+16
Circumference
420228512.54694
Perimeter
267525780
Area
4473127685288025
Diagonal
94584646.59011
Surface area
26838766111728150
Volume
2.9916924326157E+23
Space diagonal
115842060.82362
Perimeter
200644335
Area
1.9369211049155E+15
Altitude
57921030.411812
Surface area
1.9369211049155E+15
Volume
3.5257433438784E+22
Height
31528215.530037