66987054 is an even 8-digits composite number following 66987053
and preceding 66987055 . In scientific notation, it is written as 6.6987054 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 22276800 positive integers (up to 66987054) that are relatively prime to 66987054.
66987054 has 32 divisors, whose sum is 149208480
The reverse of 66987054 is 45078966
Previous prime number is 521
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-six million nine hundred eighty-seven thousand fifty-four
Scientific notation
6.6987054 × 10^7
Engineering notation
6.6987054 × 10^6
Prime Factorization
2 × 9 × 3 × 521 × 2381
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
66987054
Product of the distinct prime numbers
The prime factorization of 66987054 is 2 × 9 × 3 × 521 × 2381.
Since it has a total of 5 prime factors.
10 , 6 , 51 , 23 , 551 , 860 , 6767 , 3406 , 24450 , 64001 , 24224 , 510491 , 8500631 , 7365401 , 35810778 , 19225195 , 594638453 , 154807985 , 5360475336 , 6264267769
n×2
133974108
n×3
200961162
n×4
267948216
n×5
334935270
n÷2
33493527
n÷3
22329018
n÷3
16746763.5
n÷5
13397410.8
n2
4487265403598916
n3
3.0058868990321E+23
n4
2.0135550802336E+31
n5
1.3488212289158E+39
2 √n
8184.5619308549
3 √n
406.12864875666
4 √n
90.468568745476
5 √n
36.744993568893
1 , 2 , 3 , 6 , 9 , 18 , 27 , 54 , 521 , 1042 , 1563 , 2381 , 3126 , 4689 , 4762 , 7143 , 9378 , 14067 , 14286 , 21429 , 28134 , 42858 , 64287 , 128574 , 1240501 , 2481002 , 3721503 , 7443006 , 11164509 , 22329018 , 33493527 , 66987054
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
-66987053
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 66987054 can be divided by 32 positive divisors.
The sum of these divisors (counting 66987054) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11111111100010010000101110
3
Ternary
11200001021222000
4
Quaternary
3333202100232
5
Quinary
114122041204
6
Senary
10351433130
8
Octal
377422056
10
Decimal
66987054
12
Duodecimal
1a5257a6
16
Hexadecimal
3fe242e
20
Vigesimal
10id7ce
36
Base36
13vrji
md5
b0abdd4472e8cc2f9728a3e4f0e011ed
sha1
8030422d3bc2979aba54fb47b260e96796318733
sha256
975a68f71e7e4c142bacb587d17d86f7178c6bb311b3b91989afee9bd0d76d59
sha512
25f7f9f3f9d5509b6438de299244ea955fbae2f188b0a89965207376542e789ab3e9a83438da90cf54d76e2c1684f76b7e8d3f192aa6a73e7c88727593d6458b
ripemd-160
e652ce74ea6f981542445e73b3f859d396c868c0
Diameter
133974108
Circumference
420892073.46405
Area
1.4097160026654E+16
Volume
1.2591029599361E+24
Surface area
5.6388640106616E+16
Circumference
420892073.46405
Perimeter
267948216
Area
4487265403598916
Diagonal
94734000.270219
Surface area
26923592421593496
Volume
3.0058868990321E+23
Space diagonal
116024980.97736
Perimeter
200961162
Area
1.9430429165198E+15
Altitude
58012490.48868
Surface area
1.9430429165198E+15
Volume
3.5424716829757E+22
Height
31578000.090073