66887948 is an even 8-digits composite number following 66887947
and preceding 66887949 . In scientific notation, it is written as 6.6887948 × 10^7.
The sum of its digits is 56. It has a total of 4 prime factors and 12 positive divisors.
There are 33374880 positive integers (up to 66887948) that are relatively prime to 66887948.
66887948 has 12 divisors, whose sum is 117295752
The reverse of 66887948 is 84978866
Previous prime number is 491
Is Prime? no Number parity even Number length 8 Sum of Digits 56 Digital Root 2
Name
sixty-six million eight hundred eighty-seven thousand nine hundred forty-eight
Scientific notation
6.6887948 × 10^7
Engineering notation
6.6887948 × 10^6
Prime Factorization
2 × 2 × 491 × 34057
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
33443974 Product of the distinct prime numbers
The prime factorization of 66887948 is 2 × 2 × 491 × 34057.
Since it has a total of 4 prime factors.
1 , 1 , 96 , 86 , 20 , 247 , 2734 , 356 , 7144 , 75633 , 567990 , 792079 , 6979624 , 8710686 , 37049722 , 41113770 , 774101665 , 358571238 , 2243513231 , 2714721757
n×2
133775896
n×3
200663844
n×4
267551792
n×5
334439740
n÷2
33443974
n÷3
22295982.666667
n÷3
16721987
n÷5
13377589.6
n2
4473997587650704
n3
2.9925651799491E+23
n4
2.0016654414304E+31
n5
1.338872939598E+39
2 √n8178.5052424022
3 √n405.92826351119
4 √n90.435088557496
5 √n36.734114432914
1 , 2 , 4 , 491 , 982 , 1964 , 34057 , 68114 , 136228 , 16721987 , 33443974 , 66887948
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
-66887947 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 66887948 can be divided by 12 positive divisors.
The sum of these divisors (counting 66887948) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11111111001010000100001100
3
Ternary
11122212021000102
4
Quaternary
3333022010030
5
Quinary
114110403243
6
Senary
10345350232
8
Octal
377120414
10
Decimal
66887948
12
Duodecimal
1a498378
16
Hexadecimal
3fca10c
20
Vigesimal
10i0jh8
36
Base36
13tn2k
md5
479947e222d299c47a6b3510389ea13a
sha1
667755280b7556f6fff36a0963e35f656964c9f6
sha256
8627dec2072e681b45fe5ac69ccef71323d4afe9c85759bda2cd79c86e71d352
sha512
798491bc733efa20c2272de29e7460c028cce39348fe6e6ee0877b9299e8bb1ae33ae357dbb0f8c01e43364bc3e00f82bc2e4d8256a371237e66161342824b66
ripemd-160
ac7f9246b80bd10a4b92f6e7d1637b57dff8faca
Diameter
133775896
Circumference
420269372.10099
Area
1.4055477953542E+16
Volume
1.2535227712955E+24
Surface area
5.6221911814168E+16
Circumference
420269372.10099
Perimeter
267551792
Area
4473997587650704
Diagonal
94593843.220906
Surface area
26843985525904224
Volume
2.9925651799491E+23
Space diagonal
115853324.35003
Perimeter
200663844
Area
1.9372977836879E+15
Altitude
57926662.175013
Surface area
1.9372977836879E+15
Volume
3.5267718864745E+22
Height
31531281.073635