66940890 is an even 8-digits composite number following 66940889
and preceding 66940891 . In scientific notation, it is written as 6.6940890 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 17792064 positive integers (up to 66940890) that are relatively prime to 66940890.
66940890 has 32 divisors, whose sum is 161187840
The reverse of 66940890 is 09804966
Previous prime number is 317
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
sixty-six million nine hundred forty thousand eight hundred ninety
Scientific notation
6.6940890 × 10^7
Engineering notation
6.6940890 × 10^6
Prime Factorization
2 × 3 × 5 × 317 × 7039
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
66940890
Product of the distinct prime numbers
The prime factorization of 66940890 is 2 × 3 × 5 × 317 × 7039.
Since it has a total of 5 prime factors.
2 , 6 , 3 , 87 , 362 , 975 , 4388 , 3159 , 75871 , 32245 , 624157 , 752537 , 270647 , 8861344 , 60397393 , 44129405 , 86247340 , 757658399 , 2469932685 , 681383554
n×2
133881780
n×3
200822670
n×4
267763560
n×5
334704450
n÷2
33470445
n÷3
22313630
n÷3
16735222.5
n÷5
13388178
n2
4481082753992100
n3
2.9996766771588E+23
n4
2.0080102648125E+31
n5
1.3441799425569E+39
2 √n
8181.7412572141
3 √n
406.03533305705
4 √n
90.452978155582
5 √n
36.739927623834
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 317 , 634 , 951 , 1585 , 1902 , 3170 , 4755 , 7039 , 9510 , 14078 , 21117 , 35195 , 42234 , 70390 , 105585 , 211170 , 2231363 , 4462726 , 6694089 , 11156815 , 13388178 , 22313630 , 33470445 , 66940890
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
-66940889
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 66940890 can be divided by 32 positive divisors.
The sum of these divisors (counting 66940890) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11111111010110111111011010
3
Ternary
11122221221122020
4
Quaternary
3333112333122
5
Quinary
114114102030
6
Senary
10350435310
8
Octal
377267732
10
Decimal
66940890
12
Duodecimal
1a502b36
16
Hexadecimal
3fd6fda
20
Vigesimal
10i7c4a
36
Base36
13urx6
md5
ed2c514d6acdd1f1086f232e6d43aaac
sha1
740067e9e2f65e861e7b9c667102613c59892a36
sha256
b66cce3ff9d7385ed6ac82feff616bfcb22bb218226483321b174393e2dbff44
sha512
0fef0dffeeef4b92076aca8594c9ff62398c5d8f45fb717f27b190ce67267bbfbd197607fac9fb7d3ebb60570b099da44ae215605327a098c87b2e5b1202d829
ripemd-160
fe83e919eaace61849eb260918d90d55ffad17b0
Diameter
133881780
Circumference
420602016.49752
Area
1.407773666007E+16
Volume
1.2565016282809E+24
Surface area
5.6310946640278E+16
Circumference
420602016.49752
Perimeter
267763560
Area
4481082753992100
Diagonal
94668714.515326
Surface area
26886496523952600
Volume
2.9996766771588E+23
Space diagonal
115945022.58388
Perimeter
200822670
Area
1.9403657507087E+15
Altitude
57972511.29194
Surface area
1.9403657507087E+15
Volume
3.5351528663102E+22
Height
31556238.171775