66402457 is an odd 8-digits composite number following 66402456
and preceding 66402458 . In scientific notation, it is written as 6.6402457 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 58734000 positive integers (up to 66402457) that are relatively prime to 66402457.
66402457 has 8 divisors, whose sum is 74397312
The reverse of 66402457 is 75420466
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
sixty-six million four hundred two thousand four hundred fifty-seven
Scientific notation
6.6402457 × 10^7
Engineering notation
6.6402457 × 10^6
Prime Factorization
11 × 37 × 163151
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66402457
Product of the distinct prime numbers
The prime factorization of 66402457 is 11 × 37 × 163151.
Since it has a total of 3 prime factors.
7 , 2 , 74 , 87 , 472 , 458 , 317 , 6215 , 2023 , 23863 , 901622 , 39550 , 2025630 , 4723151 , 18117562 , 17552170 , 559425496 , 357455552 , 6469399545 , 8141025504
n×2
132804914
n×3
199207371
n×4
265609828
n×5
332012285
n÷2
33201228.5
n÷3
22134152.333333
n÷3
16600614.25
n÷5
13280491.4
n2
4409286295636849
n3
2.9278744364672E+23
n4
1.9441805636891E+31
n5
1.290983662806E+39
2 √n
8148.7702753238
3 √n
404.94376499089
4 √n
90.270539354342
5 √n
36.680633687927
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
-66402456
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 66402457 can be divided by 8 positive divisors.
The sum of these divisors (counting 66402457) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111101010011100010011001
3
Ternary
11121221121001021
4
Quaternary
3331103202121
5
Quinary
113444334312
6
Senary
10331122441
8
Octal
375234231
10
Decimal
66402457
12
Duodecimal
1a2a3421
16
Hexadecimal
3f53899
20
Vigesimal
10f062h
36
Base36
13j8gp
md5
9880bfa5b0d1f5d1c7f85b295576d6c9
sha1
2fb46c496493e5cf00cf0d526f0c7220481b4814
sha256
0557f79faebf35bd32b307f3cfac6e469622b096d3b29a7ce56eb302eb989f72
sha512
eda81b1e63a180d8e57340015bad1428b380ff7772688a3f2fc501f854e0da344e0aca44f7ac4b8913ac1101731aa2c3f73d6e5f5caa437e4d4609e2c6bb21fe
ripemd-160
73bcadd2a23499c0d644bdd0d6d04d559ad4dbec
Diameter
132804914
Circumference
417218942.18302
Area
1.3852181433947E+16
Volume
1.2264251760318E+24
Surface area
5.5408725735788E+16
Circumference
417218942.18302
Perimeter
265609828
Area
4409286295636849
Diagonal
93907255.264296
Surface area
26455717773821094
Volume
2.9278744364672E+23
Space diagonal
115012429.27141
Perimeter
199207371
Area
1.90927697229E+15
Altitude
57506214.635704
Surface area
1.90927697229E+15
Volume
3.4505331141478E+22
Height
31302418.421432