66778840 is an even 8-digits composite number following 66778839
and preceding 66778841 . In scientific notation, it is written as 6.6778840 × 10^7.
The sum of its digits is 46. It has a total of 5 prime factors and 16 positive divisors.
There are 26711520 positive integers (up to 66778840) that are relatively prime to 66778840.
66778840 has 16 divisors, whose sum is 150252480
The reverse of 66778840 is 04887766
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
sixty-six million seven hundred seventy-eight thousand eight hundred forty
Scientific notation
6.6778840 × 10^7
Engineering notation
6.6778840 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 1669471
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
16694710
Product of the distinct prime numbers
The prime factorization of 66778840 is 2 × 2 × 2 × 5 × 1669471.
Since it has a total of 5 prime factors.
7 , 1 , 14 , 35 , 705 , 726 , 9798 , 5265 , 83740 , 32595 , 443340 , 226053 , 1109521 , 9412933 , 38335717 , 10515484 , 439804954 , 319112543 , 3011949668 , 7833096640
n×2
133557680
n×3
200336520
n×4
267115360
n×5
333894200
n÷2
33389420
n÷3
22259613.333333
n÷3
16694710
n÷5
13355768
n2
4459413471745600
n3
2.9779445872354E+23
n4
1.9886368511986E+31
n5
1.327988621043E+39
2 √n
8171.832107918
3 √n
405.70742589548
4 √n
90.398186419408
5 √n
36.722122426642
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 1669471 , 3338942 , 6677884 , 8347355 , 13355768 , 16694710 , 33389420 , 66778840
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
-66778839
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 66778840 can be divided by 16 positive divisors.
The sum of these divisors (counting 66778840) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111110101111011011011000
3
Ternary
11122122201100101
4
Quaternary
3332233123120
5
Quinary
114043410330
6
Senary
10343145144
8
Octal
376573330
10
Decimal
66778840
12
Duodecimal
1a4451b4
16
Hexadecimal
3faf6d8
20
Vigesimal
10h7720
36
Base36
13ravs
md5
80505f2501fa72cafe312ce5f88c2203
sha1
788af59577d29468637a04243fe3e5ee345a669c
sha256
313cf061e22700471ba1701ef6fce869cc731a7a94a3a73350f2efdb2d7bac8f
sha512
bf0855e97901f84731a79a1d7c770459e8d7ab6358b3ee6ccb0d5b4e1478bfe200a62f0e32f6d079cf4377480df583473876cc5ee5bfd9144f9679731eba60e4
ripemd-160
39b0d1390a8c635935cecef0bf08b5e178b812d7
Diameter
133557680
Circumference
419583826.3185
Area
1.4009660602155E+16
Volume
1.2473985117408E+24
Surface area
5.6038642408621E+16
Circumference
419583826.3185
Perimeter
267115360
Area
4459413471745600
Diagonal
94439541.207543
Surface area
26756480830473600
Volume
2.9779445872354E+23
Space diagonal
115664343.75051
Perimeter
200336520
Area
1.9309826762551E+15
Altitude
57832171.875256
Surface area
1.9309826762551E+15
Volume
3.5095413527199E+22
Height
31479847.069181