66888930 is an even 8-digits composite number following 66888929
and preceding 66888931 . In scientific notation, it is written as 6.6888930 × 10^7.
The sum of its digits is 48. It has a total of 5 prime factors and 32 positive divisors.
There are 16793280 positive integers (up to 66888930) that are relatively prime to 66888930.
66888930 has 32 divisors, whose sum is 113356800
The reverse of 66888930 is 03988866
Previous prime number is 239
Is Prime? no Number parity even Number length 8 Sum of Digits 48 Digital Root 3
Name
sixty-six million eight hundred eighty-eight thousand nine hundred thirty
Scientific notation
6.6888930 × 10^7
Engineering notation
6.6888930 × 10^6
Prime Factorization
2 × 15 × 19 × 239 × 491
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
66888930 Product of the distinct prime numbers
The prime factorization of 66888930 is 2 × 15 × 19 × 239 × 491.
Since it has a total of 5 prime factors.
10 , 3 , 21 , 61 , 482 , 819 , 3493 , 114 , 20973 , 25686 , 848795 , 121605 , 2404074 , 2410931 , 66624842 , 97999299 , 348053970 , 34042829 , 7083343491 , 5095244384
n×2
133777860
n×3
200666790
n×4
267555720
n×5
334444650
n÷2
33444465
n÷3
22296310
n÷3
16722232.5
n÷5
13377786
n2
4474128956544900
n3
2.992696985853E+23
n4
2.0017829919794E+31
n5
1.338971224257E+39
2 √n8178.5652776022
3 √n405.93025001556
4 √n90.435420481149
5 √n36.734222292969
1 , 2 , 15 , 19 , 30 , 38 , 239 , 285 , 478 , 491 , 570 , 982 , 3585 , 4541 , 7170 , 7365 , 9082 , 9329 , 14730 , 18658 , 68115 , 117349 , 136230 , 139935 , 234698 , 279870 , 1760235 , 2229631 , 3520470 , 4459262 , 33444465 , 66888930
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
-66888929 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 66888930 can be divided by 32 positive divisors.
The sum of these divisors (counting 66888930) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11111111001010010011100010
3
Ternary
11122212022100210
4
Quaternary
3333022103202
5
Quinary
114110421210
6
Senary
10345354550
8
Octal
377122342
10
Decimal
66888930
12
Duodecimal
1a498a56
16
Hexadecimal
3fca4e2
20
Vigesimal
10i126a
36
Base36
13tntu
md5
b9ab1d1654a7e7c4e9893b5ca1a40227
sha1
17ea052acf720c4e43ce55e31353292405a5bc7b
sha256
b3bf3b21ad99178806ff5d6b3f43681cdf7db9c8cfcaa504bdce69a4f18e61b0
sha512
0ff98457cddbad3cc09b2f8f7cf89d93f384c43e4b0cc5f02bf442ce3584382a7e1c436d61b8fdabe017e4aa69a0ac75ef5f32214b81d9aba989aeb239aee9b5
ripemd-160
4b4abf39d69693a89848a475d7e61d13261c2b5d
Diameter
133777860
Circumference
420275542.18896
Area
1.4055890661095E+16
Volume
1.2535779820235E+24
Surface area
5.6223562644379E+16
Circumference
420275542.18896
Perimeter
267555720
Area
4474128956544900
Diagonal
94595231.978625
Surface area
26844773739269400
Volume
2.992696985853E+23
Space diagonal
115855025.22392
Perimeter
200666790
Area
1.9373546680877E+15
Altitude
57927512.611959
Surface area
1.9373546680877E+15
Volume
3.5269272212221E+22
Height
31531743.992875