66888970 is an even 8-digits composite number following 66888969
and preceding 66888971 . In scientific notation, it is written as 6.6888970 × 10^7.
The sum of its digits is 52. It has a total of 5 prime factors and 32 positive divisors.
There are 25901568 positive integers (up to 66888970) that are relatively prime to 66888970.
66888970 has 32 divisors, whose sum is 124277328
The reverse of 66888970 is 07988866
Previous prime number is 617
Is Prime? no Number parity even Number length 8 Sum of Digits 52 Digital Root 7
Name
sixty-six million eight hundred eighty-eight thousand nine hundred seventy
Scientific notation
6.6888970 × 10^7
Engineering notation
6.6888970 × 10^6
Prime Factorization
2 × 37 × 5 × 617 × 293
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
66888970 Product of the distinct prime numbers
The prime factorization of 66888970 is 2 × 37 × 5 × 617 × 293.
Since it has a total of 5 prime factors.
10 , 1 , 47 , 16 , 45 , 212 , 7266 , 8112 , 83529 , 81048 , 864991 , 507899 , 4223291 , 7562833 , 52491743 , 83070497 , 262354115 , 193852737 , 8419166678 , 5280389969
n×2
133777940
n×3
200666910
n×4
267555880
n×5
334444850
n÷2
33444485
n÷3
22296323.333333
n÷3
16722242.5
n÷5
13377794
n2
4474134307660900
n3
2.992702354811E+23
n4
2.0017877802988E+31
n5
1.3389752278277E+39
2 √n8178.5677230185
3 √n405.93033093183
4 √n90.435434001383
5 √n36.734226686427
1 , 2 , 5 , 10 , 37 , 74 , 185 , 293 , 370 , 586 , 617 , 1234 , 1465 , 2930 , 3085 , 6170 , 10841 , 21682 , 22829 , 45658 , 54205 , 108410 , 114145 , 180781 , 228290 , 361562 , 903905 , 1807810 , 6688897 , 13377794 , 33444485 , 66888970
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
-66888969 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 66888970 can be divided by 32 positive divisors.
The sum of these divisors (counting 66888970) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11111111001010010100001010
3
Ternary
11122212022102021
4
Quaternary
3333022110022
5
Quinary
114110421340
6
Senary
10345355054
8
Octal
377122412
10
Decimal
66888970
12
Duodecimal
1a498a8a
16
Hexadecimal
3fca50a
20
Vigesimal
10i128a
36
Base36
13tnuy
md5
9d5f154a0d376e4860996c1764e463c4
sha1
d6ac7f15183f5c2b717dd3659e17e2030318b8f3
sha256
48c8171a49c456213a58fe4dae35cd6d551b40e741525a18c386d3acff1d6312
sha512
57c9ec03cc5b02687bb35cddcdce768cc180eee8fffdd332965af26b05a3db00c9fd79786380de483f35ef4be81b5042765eca9eb13708249833aee755a29e7d
ripemd-160
7afc14742ac7e6c4a8f6ae862b94ab0130bdba6e
Diameter
133777940
Circumference
420275793.51638
Area
1.4055907472122E+16
Volume
1.2535802309674E+24
Surface area
5.6223629888486E+16
Circumference
420275793.51638
Perimeter
267555880
Area
4474134307660900
Diagonal
94595288.547167
Surface area
26844805845965400
Volume
2.992702354811E+23
Space diagonal
115855094.50595
Perimeter
200666910
Area
1.9373569851889E+15
Altitude
57927547.252975
Surface area
1.9373569851889E+15
Volume
3.5269335485997E+22
Height
31531762.849056