66888980 is an even 8-digits composite number following 66888979
and preceding 66888981 . In scientific notation, it is written as 6.6888980 × 10^7.
The sum of its digits is 53. It has a total of 4 prime factors and 12 positive divisors.
There are 26755584 positive integers (up to 66888980) that are relatively prime to 66888980.
66888980 has 12 divisors, whose sum is 140466900
The reverse of 66888980 is 08988866
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 53
Digital Root 8
Name
sixty-six million eight hundred eighty-eight thousand nine hundred eighty
Scientific notation
6.6888980 × 10^7
Engineering notation
6.6888980 × 10^6
Prime Factorization
2 × 2 × 5 × 3344449
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
33444490
Product of the distinct prime numbers
The prime factorization of 66888980 is 2 × 2 × 5 × 3344449.
Since it has a total of 4 prime factors.
9 , 2 , 60 , 93 , 812 , 871 , 9346 , 3961 , 23203 , 52933 , 306907 , 777874 , 8239912 , 8278061 , 68868179 , 44570494 , 791263544 , 707955321 , 4726758839 , 7568499445
n×2
133777960
n×3
200666940
n×4
267555920
n×5
334444900
n÷2
33444490
n÷3
22296326.666667
n÷3
16722245
n÷5
13377796
n2
4474135645440400
n3
2.9927036970515E+23
n4
2.00178897738E+31
n5
1.3389762287219E+39
2 √n
8178.5683343725
3 √n
405.93035116089
4 √n
90.435437381441
5 √n
36.734227784791
1 , 2 , 4 , 5 , 10 , 20 , 3344449 , 6688898 , 13377796 , 16722245 , 33444490 , 66888980
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
-66888979
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 66888980 can be divided by 12 positive divisors.
The sum of these divisors (counting 66888980) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11111111001010010100010100
3
Ternary
11122212022102122
4
Quaternary
3333022110110
5
Quinary
114110421410
6
Senary
10345355112
8
Octal
377122424
10
Decimal
66888980
12
Duodecimal
1a498a98
16
Hexadecimal
3fca514
20
Vigesimal
10i1290
36
Base36
13tnv8
md5
2aadfba31e4cf6f96d1e315f9ca9cd31
sha1
b1e9b954ee73fc480c6d6ca85b39a68638013524
sha256
ba6807b7682d795d8124b1a4750c96faaa2ded8e9e9e62e14473341e6ea51c55
sha512
dad0a6ec8a3389768c74c4c4a2320e8b4f275034ac0a5e19cda587f4acd27c72664d28c65bb4027446bd51cd2a5370507bff04d8c5f233f6886684330761223c
ripemd-160
003227e093f53312ac947f837c12c302c0b57dce
Diameter
133777960
Circumference
420275856.34823
Area
1.405591167488E+16
Volume
1.2535807932037E+24
Surface area
5.6223646699519E+16
Circumference
420275856.34823
Perimeter
267555920
Area
4474135645440400
Diagonal
94595302.689303
Surface area
26844813872642400
Volume
2.9927036970515E+23
Space diagonal
115855111.82646
Perimeter
200666940
Area
1.9373575644644E+15
Altitude
57927555.913229
Surface area
1.9373575644644E+15
Volume
3.5269351304453E+22
Height
31531767.563101