66881492 is an even 8-digits composite number following 66881491
and preceding 66881493 . In scientific notation, it is written as 6.6881492 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors.
There are 33408576 positive integers (up to 66881492) that are relatively prime to 66881492.
66881492 has 12 divisors, whose sum is 117155220
The reverse of 66881492 is 29418866
Previous prime number is 1117
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
sixty-six million eight hundred eighty-one thousand four hundred ninety-two
Scientific notation
6.6881492 × 10^7
Engineering notation
6.6881492 × 10^6
Prime Factorization
2 × 2 × 1117 × 14969
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
33440746
Product of the distinct prime numbers
The prime factorization of 66881492 is 2 × 2 × 1117 × 14969.
Since it has a total of 4 prime factors.
10 , 5 , 61 , 7 , 406 , 432 , 9690 , 6748 , 28321 , 28862 , 551959 , 137928 , 6597451 , 2887192 , 60089203 , 61218581 , 265823530 , 282331986 , 5788099598 , 5540367597
n×2
133762984
n×3
200644476
n×4
267525968
n×5
334407460
n÷2
33440746
n÷3
22293830.666667
n÷3
16720373
n÷5
13376298.4
n2
4473133972146064
n3
2.9916987397302E+23
n4
2.0008927532767E+31
n5
1.3382269267114E+39
2 √n
8178.1105397274
3 √n
405.9152030757
4 √n
90.432906288183
5 √n
36.733405292908
1 , 2 , 4 , 1117 , 2234 , 4468 , 14969 , 29938 , 59876 , 16720373 , 33440746 , 66881492
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66881491
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66881492 can be divided by 12 positive divisors.
The sum of these divisors (counting 66881492) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11111111001000011111010100
3
Ternary
11122211221011022
4
Quaternary
3333020133110
5
Quinary
114110201432
6
Senary
10345300312
8
Octal
377103724
10
Decimal
66881492
12
Duodecimal
1a494698
16
Hexadecimal
3fc87d4
20
Vigesimal
10i03ec
36
Base36
13ti38
md5
58e6029f28af48ddf3211e43b2804e4c
sha1
97f6d7f7a91bf2ae9d9b71c7b58ff5bca178f617
sha256
9c6fd2b874f8601d61095323e0e709a866ee525da604c1dd0e476316380901c6
sha512
01fe62d8d3341d675c3f42d1d94e18ce9dcea864a078ebc8c1b72aa8eafbf623281976204ea1a9e7f85fc280df1a7a3b24ea6fbbc49cdc32ad4a8cf592b90919
ripemd-160
c7c7ebd9d3c3438ad3d1c4435383f4fb01d084f8
Diameter
133762984
Circumference
420228807.85665
Area
1.4052764825417E+16
Volume
1.2531598376653E+24
Surface area
5.6211059301668E+16
Circumference
420228807.85665
Perimeter
267525968
Area
4473133972146064
Diagonal
94584713.058148
Surface area
26838803832876384
Volume
2.9916987397302E+23
Space diagonal
115842142.23001
Perimeter
200644476
Area
1.9369238272048E+15
Altitude
57921071.115006
Surface area
1.9369238272048E+15
Volume
3.5257507768841E+22
Height
31528237.686049