66451640 (number)

66451640 is an even 8-digits composite number following 66451639 and preceding 66451641. In scientific notation, it is written as 6.6451640 × 10^7. The sum of its digits is 32. It has a total of 7 prime factors and 64 positive divisors. There are 24680448 positive integers (up to 66451640) that are relatively prime to 66451640.

Interesting facts

Basic properties

Name

Name sixty-six million four hundred fifty-one thousand six hundred forty

Notation

Scientific notation 6.6451640 × 10^7
Engineering notation 6.6451640 × 10^6

Prime Factorization of 66451640

Prime Factorization 2 × 2 × 2 × 5 × 17 × 79 × 1237

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 16612910
Product of the distinct prime numbers

The prime factorization of 66451640 is 2 × 2 × 2 × 5 × 17 × 79 × 1237. Since it has a total of 7 prime factors.

Most popular turbo-numbers

7, 1, 49, 60, 198, 102, 4558, 1337, 24371, 81200, 831525, 444353, 2456781, 7123923, 65595710, 55232738, 507690949, 382994241, 6316135525, 8985824121

Basic calculations (n = 66451640)

Multiplication

n×y
n×2 132903280
n×3 199354920
n×4 265806560
n×5 332258200

Division

n÷y
n÷2 33225820
n÷3 22150546.666667
n÷3 16612910
n÷5 13290328

Exponentiation

ny
n2 4415820458689600
n3 2.9343851142548E+23
n4 1.9499470323382E+31
n5 1.29577178212E+39

Nth Root

y√n
2√n 8151.787534032
3√n 405.0437182903
4√n 90.287250118896
5√n 36.686065804243

Divisors of 66451640

1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 79, 85, 136, 158, 170, 316, 340, 395, 632, 680, 790, 1237, 1343, 1580, 2474, 2686, 3160, 4948, 5372, 6185, 6715, 9896, 10744, 12370, 13430, 21029, 24740, 26860, 42058, 49480, 53720, 84116, 97723, 105145, 168232, 195446, 210290, 390892, 420580, 488615, 781784, 841160, 977230, 1661291, 1954460, 3322582, 3908920, 6645164, 8306455, 13290328, 16612910, 33225820, 66451640

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66451639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66451640 can be divided by 64 positive divisors. The sum of these divisors (counting 66451640) is 1, the average is 0.015625.

Base conversion 66451640

Base System Value
2 Binary 11111101011111100010111000
3 Ternary 11122001002111212
4 Quaternary 3331133202320
5 Quinary 114002423030
6 Senary 10332142252
8 Octal 375374270
10 Decimal 66451640
12 Duodecimal 1a307988
16 Hexadecimal 3f5f8b8
20 Vigesimal 10f6920
36 Base36 13kaew

Cryptographic Hash Functions

md5 cf26a0017eb1e6993d11a62f82d2711a
sha1 3eae35ec1eadb1a3b26d356b7d39c7ea69d28514
sha256 1e38a8b32c5bd81c4a6c5aeaeb9dddf981e43299df0417dc8a971576f24ef705
sha512 0e4d553445ac7c01da1c26fb6097919e573ba04ff8c675d8a933dcd708cdad5b08f747cb478211859790cf71dabdb06ec61857ef16dc439d6d15bfb73c6c482b
ripemd-160 ab3e204e2c0efdcf204b05d940ba38b17b42c4cb

66451640 as geometric shapes

Circle

Radius = n
Diameter 132903280
Circumference 417527968.08599
Area 1.3872709112591E+16

Sphere

Radius = n
Volume 1.2291523623661E+24
Surface area 5.5490836450363E+16
Circumference 417527968.08599

Square

Length = n
Perimeter 265806560
Area 4415820458689600
Diagonal 93976810.529934

Cube

Length = n
Surface area 26494922752137600
Volume 2.9343851142548E+23
Space diagonal 115097616.72628

Equilateral Triangle

Length = n
Perimeter 199354920
Area 1.9121063478881E+15
Altitude 57548808.363138

Triangular Pyramid

Length = n
Surface area 1.9121063478881E+15
Volume 3.458206021504E+22
Height 31325603.509978