66752721 (number)

66752721 is an odd 8-digits composite number following 66752720 and preceding 66752722. In scientific notation, it is written as 6.6752721 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 37875600 positive integers (up to 66752721) that are relatively prime to 66752721.

Interesting facts

Basic properties

Name

Name sixty-six million seven hundred fifty-two thousand seven hundred twenty-one

Notation

Scientific notation 6.6752721 × 10^7
Engineering notation 6.6752721 × 10^6

Prime Factorization of 66752721

Prime Factorization 21 × 9 × 151 × 2339

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 66752721
Product of the distinct prime numbers

The prime factorization of 66752721 is 21 × 9 × 151 × 2339. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 3, 85, 34, 53, 44, 4888, 3079, 98628, 65899, 717354, 823081, 6035560, 8880955, 40628129, 20311870, 242964238, 966009738, 5195813117, 5751670119

Basic calculations (n = 66752721)

Multiplication

n×y
n×2 133505442
n×3 200258163
n×4 267010884
n×5 333763605

Division

n÷y
n÷2 33376360.5
n÷3 22250907
n÷3 16688180.25
n÷5 13350544.2

Exponentiation

ny
n2 4455925760903841
n3 2.9744516911433E+23
n4 1.9855274386686E+31
n5 1.3253935915129E+39

Nth Root

y√n
2√n 8170.2338399828
3√n 405.65452463662
4√n 90.389345832254
5√n 36.719249375209

Divisors of 66752721

1, 9, 21, 151, 189, 1359, 2339, 3171, 21051, 28539, 49119, 353189, 442071, 3178701, 7416969, 66752721

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66752720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66752721 can be divided by 16 positive divisors. The sum of these divisors (counting 66752721) is 1, the average is 0.0625.

Base conversion 66752721

Base System Value
2 Binary 11111110101001000011010001
3 Ternary 11122121101112000
4 Quaternary 3332221003101
5 Quinary 114042041341
6 Senary 10342424213
8 Octal 376510321
10 Decimal 66752721
12 Duodecimal 1a432069
16 Hexadecimal 3fa90d1
20 Vigesimal 10h41g1
36 Base36 13qqq9

Cryptographic Hash Functions

md5 815e37ff687a856107cee8ad3765193b
sha1 df94dbbfdb7eee4e55dd56e3cf479ac343729cc8
sha256 94c0f488a8432a159b2f6c204a1b4ae0483e0d68df1437eecfd0f0889ee55010
sha512 6b9e771b5a47c00ea138eb50aab1f0c6a72213aef4ff9b4d4761257b2dd05f1fb600f810f4973b985ae0c9d98313dab6e72d916eec494fae081790643c068654
ripemd-160 638f60108e8a7a61864d7348281eaff1354d1945

66752721 as geometric shapes

Circle

Radius = n
Diameter 133505442
Circumference 419419715.80146
Area 1.3998703635397E+16

Sphere

Radius = n
Volume 1.2459354108471E+24
Surface area 5.5994814541588E+16
Circumference 419419715.80146

Square

Length = n
Perimeter 267010884
Area 4455925760903841
Diagonal 94402603.363507

Cube

Length = n
Surface area 26735554565423046
Volume 2.9744516911433E+23
Space diagonal 115619104.31547

Equilateral Triangle

Length = n
Perimeter 200258163
Area 1.9294724531601E+15
Altitude 57809552.157735

Triangular Pyramid

Length = n
Surface area 1.9294724531601E+15
Volume 3.5054249351987E+22
Height 31467534.454502