66883978 is an even 8-digits composite number following 66883977
and preceding 66883979 . In scientific notation, it is written as 6.6883978 × 10^7.
The sum of its digits is 55. It has a total of 4 prime factors and 16 positive divisors.
There are 28622160 positive integers (up to 66883978) that are relatively prime to 66883978.
66883978 has 16 divisors, whose sum is 114827904
The reverse of 66883978 is 87938866
Previous prime number is 757
Is Prime? no
Number parity even
Number length 8
Sum of Digits 55
Digital Root 1
Name
sixty-six million eight hundred eighty-three thousand nine hundred seventy-eight
Scientific notation
6.6883978 × 10^7
Engineering notation
6.6883978 × 10^6
Prime Factorization
2 × 7 × 757 × 6311
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66883978
Product of the distinct prime numbers
The prime factorization of 66883978 is 2 × 7 × 757 × 6311.
Since it has a total of 4 prime factors.
4 , 8 , 91 , 35 , 433 , 682 , 6755 , 24 , 75392 , 26174 , 278565 , 165883 , 593617 , 6415098 , 84928592 , 22585001 , 203819732 , 880281532 , 2974869094 , 525739637
n×2
133767956
n×3
200651934
n×4
267535912
n×5
334419890
n÷2
33441989
n÷3
22294659.333333
n÷3
16720994.5
n÷5
13376795.6
n2
4473466513104484
n3
2.9920323584622E+23
n4
2.0011902643867E+31
n5
1.3384756561706E+39
2 √n
8178.262529413
3 √n
405.92023233298
4 √n
90.433746629303
5 √n
36.733678366624
1 , 2 , 7 , 14 , 757 , 1514 , 5299 , 6311 , 10598 , 12622 , 44177 , 88354 , 4777427 , 9554854 , 33441989 , 66883978
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66883977
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66883978 can be divided by 16 positive divisors.
The sum of these divisors (counting 66883978) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111111001001000110001010
3
Ternary
11122212001120101
4
Quaternary
3333021012022
5
Quinary
114110241403
6
Senary
10345320014
8
Octal
377110612
10
Decimal
66883978
12
Duodecimal
1a49600a
16
Hexadecimal
3fc918a
20
Vigesimal
10i09ii
36
Base36
13tk0a
md5
f1dad68f8d18c90dcf86d7eba4f74fa6
sha1
8ecd31c1f1946a4b6585dbb314e530c9fcf95562
sha256
9462aff15e46fd7a70cf22fa56b2923a30dfd1f9f27ef760958b9c8a8f139c26
sha512
8071f32fddaa88ff561e817e1255e073ff62d0eae6d95e80a36c970e64583874392b55cfd479fdeeea952e85d5ab8d3aaaa9957b579791794e7002fc5e5faa07
ripemd-160
1d1ed9acf5d907f929cd8e0b4c4465f7f51b3d89
Diameter
133767956
Circumference
420244427.85532
Area
1.4053809533649E+16
Volume
1.253299583553E+24
Surface area
5.6215238134596E+16
Circumference
420244427.85532
Perimeter
267535912
Area
4473466513104484
Diagonal
94588228.793064
Surface area
26840799078626904
Volume
2.9920323584622E+23
Space diagonal
115846448.10832
Perimeter
200651934
Area
1.9370678216637E+15
Altitude
57923224.05416
Surface area
1.9370678216637E+15
Volume
3.5261439503303E+22
Height
31529409.597688