66879942 is an even 8-digits composite number following 66879941
and preceding 66879943 . In scientific notation, it is written as 6.6879942 × 10^7.
The sum of its digits is 51. It has a total of 5 prime factors and 32 positive divisors.
There are 21608928 positive integers (up to 66879942) that are relatively prime to 66879942.
66879942 has 32 divisors, whose sum is 137894400
The reverse of 66879942 is 24997866
Previous prime number is 419
Is Prime? no Number parity even Number length 8 Sum of Digits 51 Digital Root 6
Name
sixty-six million eight hundred seventy-nine thousand nine hundred forty-two
Scientific notation
6.6879942 × 10^7
Engineering notation
6.6879942 × 10^6
Prime Factorization
2 × 3 × 37 × 419 × 719
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
66879942 Product of the distinct prime numbers
The prime factorization of 66879942 is 2 × 3 × 37 × 419 × 719.
Since it has a total of 5 prime factors.
9 , 7 , 74 , 35 , 728 , 773 , 7235 , 6024 , 17579 , 17929 , 244120 , 385249 , 6375832 , 2105799 , 20629358 , 32842129 , 189555044 , 972414776 , 6206333704 , 5573007029
n×2
133759884
n×3
200639826
n×4
267519768
n×5
334399710
n÷2
33439971
n÷3
22293314
n÷3
16719985.5
n÷5
13375988.4
n2
4472926641923364
n3
2.9914907438209E+23
n4
2.0007072744028E+31
n5
1.3380718647104E+39
2 √n8178.0157740127
3 √n405.91206731319
4 √n90.432382330737
5 √n36.733235029643
1 , 2 , 3 , 6 , 37 , 74 , 111 , 222 , 419 , 719 , 838 , 1257 , 1438 , 2157 , 2514 , 4314 , 15503 , 26603 , 31006 , 46509 , 53206 , 79809 , 93018 , 159618 , 301261 , 602522 , 903783 , 1807566 , 11146657 , 22293314 , 33439971 , 66879942
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
-66879941 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 66879942 can be divided by 32 positive divisors.
The sum of these divisors (counting 66879942) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11111111001000000111000110
3
Ternary
11122211212000220
4
Quaternary
3333020013012
5
Quinary
114110124232
6
Senary
10345245210
8
Octal
377100706
10
Decimal
66879942
12
Duodecimal
1a493806
16
Hexadecimal
3fc81c6
20
Vigesimal
10hjjh2
36
Base36
13tgw6
md5
e4aa108c67d57519dd6c3ca86f8907ad
sha1
277bb7a66ed3cb7b43d799fd78edd3154c097b4f
sha256
1efc40ad0669d5e1ca7b1cee5f2beda11ee20746561d90c8b175b9b46d02d141
sha512
feb8302765837f954ccfe7abf4c279df09fea3d03c591b9dbcefac07d7b2d97737e7f9b1ab1ac9faefe97ce9b3c2e24fa0863aa0fac54005e127c94a964dab48
ripemd-160
0104948452f05102ff7c5257c00e5879a749b228
Diameter
133759884
Circumference
420219068.91942
Area
1.4052113478313E+16
Volume
1.2530727125426E+24
Surface area
5.620845391325E+16
Circumference
420219068.91942
Perimeter
267519768
Area
4472926641923364
Diagonal
94582521.027126
Surface area
26837559851540184
Volume
2.9914907438209E+23
Space diagonal
115839457.55126
Perimeter
200639826
Area
1.9368340505849E+15
Altitude
57919728.77563
Surface area
1.9368340505849E+15
Volume
3.5255056513542E+22
Height
31527507.009042