66402015 is an odd 8-digits composite number following 66402014
and preceding 66402016 . In scientific notation, it is written as 6.6402015 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 35328800 positive integers (up to 66402015) that are relatively prime to 66402015.
66402015 has 8 divisors, whose sum is 71000064
The reverse of 66402015 is 51020466
Previous prime number is 10271
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
sixty-six million four hundred two thousand fifteen
Scientific notation
6.6402015 × 10^7
Engineering notation
6.6402015 × 10^6
Prime Factorization
15 × 10271 × 431
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66402015
Product of the distinct prime numbers
The prime factorization of 66402015 is 15 × 10271 × 431.
Since it has a total of 3 prime factors.
3 , 2 , 35 , 78 , 66 , 923 , 1299 , 1518 , 206 , 84435 , 908297 , 977181 , 2849689 , 4406782 , 82290000 , 36259945 , 116726055 , 390168418 , 741966648 , 2300480877
n×2
132804030
n×3
199206045
n×4
265608060
n×5
332010075
n÷2
33201007.5
n÷3
22134005
n÷3
16600503.75
n÷5
13280403
n2
4409227596060225
n3
2.9278159697201E+23
n4
1.9441287993859E+31
n5
1.2909406969875E+39
2 √n
8148.7431546221
3 √n
404.94286650234
4 √n
90.270389135209
5 √n
36.680584855748
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
-66402014
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 66402015 can be divided by 8 positive divisors.
The sum of these divisors (counting 66402015) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111101010011011011011111
3
Ternary
11121221120102220
4
Quaternary
3331103123133
5
Quinary
113444331030
6
Senary
10331120423
8
Octal
375233337
10
Decimal
66402015
12
Duodecimal
1a2a3113
16
Hexadecimal
3f536df
20
Vigesimal
10f050f
36
Base36
13j84f
md5
4ac95a08070c4632a864f12dc5b834a7
sha1
cd50f3b6f939cc3e1aad2f301a802e0a25552c65
sha256
fd98793ab1e4cd98f35b3098fafc0fc417f3ebb85101d6e2643d071ced118609
sha512
2c8ae8c031f4d4b8c5cad9b298ed2905688a77d32f7a8468ba1aba2a23081e7e8c9b112715940d3e12cf6ba7586093a5d83749da73b4cf16685740f0a0d698ff
ripemd-160
ad7f0db353b603e818021c2aee290eff32564854
Diameter
132804030
Circumference
417216165.01512
Area
1.3851997023788E+16
Volume
1.2264006855381E+24
Surface area
5.5407988095153E+16
Circumference
417216165.01512
Perimeter
265608060
Area
4409227596060225
Diagonal
93906630.181902
Surface area
26455365576361350
Volume
2.9278159697201E+23
Space diagonal
115011663.70495
Perimeter
199206045
Area
1.9092515546278E+15
Altitude
57505831.852475
Surface area
1.9092515546278E+15
Volume
3.4504642104255E+22
Height
31302210.060634