66491806 is an even 8-digits composite number following 66491805
and preceding 66491807 . In scientific notation, it is written as 6.6491806 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 33229560 positive integers (up to 66491806) that are relatively prime to 66491806.
66491806 has 8 divisors, whose sum is 99786744
The reverse of 66491806 is 60819466
Previous prime number is 2381
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-six million four hundred ninety-one thousand eight hundred six
Scientific notation
6.6491806 × 10^7
Engineering notation
6.6491806 × 10^6
Prime Factorization
2 × 2381 × 13963
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66491806
Product of the distinct prime numbers
The prime factorization of 66491806 is 2 × 2381 × 13963.
Since it has a total of 3 prime factors.
7 , 4 , 78 , 95 , 390 , 715 , 740 , 1107 , 37057 , 50860 , 7735 , 173541 , 7497380 , 8620028 , 55727004 , 30163864 , 793599458 , 643366522 , 1779919217 , 4291296394
n×2
132983612
n×3
199475418
n×4
265967224
n×5
332459030
n÷2
33245903
n÷3
22163935.333333
n÷3
16622951.5
n÷5
13298361.2
n2
4421160265141636
n3
2.9397093064471E+23
n4
1.9546658090067E+31
n5
1.2996925976731E+39
2 √n
8154.2507932979
3 √n
405.12531000229
4 √n
90.300890323949
5 √n
36.690499634269
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66491805
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66491806 can be divided by 8 positive divisors.
The sum of these divisors (counting 66491806) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111101101001010110011110
3
Ternary
11122010010121111
4
Quaternary
3331221112132
5
Quinary
114010214211
6
Senary
10333052234
8
Octal
375512636
10
Decimal
66491806
12
Duodecimal
1a32707a
16
Hexadecimal
3f6959e
20
Vigesimal
10fb9a6
36
Base36
13l5em
md5
5b97f9457ffadb7b5426d08388b288db
sha1
fa1fff106c8327b611bebf5e650dd9eb939bd45a
sha256
1b663e32ef2ed048b45221b822c169773f367f700f0902c37a504f1e93454622
sha512
8fcbd5cf045882677bfedf4277eefdd2b0690dbb05fbfc86950e4ac8857de57b479f2584d7001c0cf8d1eff5b765cebea6e2eb3ab18319ad703398527e5bd9bc
ripemd-160
52af3f79ecab648b3138e69fc933b2218337c308
Diameter
132983612
Circumference
417780338.50704
Area
1.3889484609312E+16
Volume
1.2313825547765E+24
Surface area
5.5557938437248E+16
Circumference
417780338.50704
Perimeter
265967224
Area
4421160265141636
Diagonal
94033613.831881
Surface area
26526961590849816
Volume
2.9397093064471E+23
Space diagonal
115167186.27901
Perimeter
199475418
Area
1.9144185519075E+15
Altitude
57583593.139507
Surface area
1.9144185519075E+15
Volume
3.4644806421765E+22
Height
31344537.94396