66161821 (number)

66161821 is an odd 8-digits composite number following 66161820 and preceding 66161822. In scientific notation, it is written as 6.6161821 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 58262400 positive integers (up to 66161821) that are relatively prime to 66161821.

Interesting facts

Basic properties

Name

Name sixty-six million one hundred sixty-one thousand eight hundred twenty-one

Notation

Scientific notation 6.6161821 × 10^7
Engineering notation 6.6161821 × 10^6

Prime Factorization of 66161821

Prime Factorization 137 × 11 × 43 × 1021

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 66161821
Product of the distinct prime numbers

The prime factorization of 66161821 is 137 × 11 × 43 × 1021. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 1, 14, 34, 144, 519, 4605, 227, 869, 97314, 891963, 174502, 2546676, 6072814, 23492400, 69738545, 414509358, 381870825, 5785708681, 4453801930

Basic calculations (n = 66161821)

Multiplication

n×y
n×2 132323642
n×3 198485463
n×4 264647284
n×5 330809105

Division

n÷y
n÷2 33080910.5
n÷3 22053940.333333
n÷3 16540455.25
n÷5 13232364.2

Exponentiation

ny
n2 4377386558036041
n3 2.8961586590059E+23
n4 1.9161513078475E+31
n5 1.2677605983872E+39

Nth Root

y√n
2√n 8133.9917014956
3√n 404.45401406387
4√n 90.188645080718
5√n 36.654009662042

Divisors of 66161821

1, 11, 43, 137, 473, 1021, 1507, 5891, 11231, 43903, 64801, 139877, 482933, 1538647, 6014711, 66161821

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 -66161820
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 66161821 can be divided by 16 positive divisors. The sum of these divisors (counting 66161821) is 1, the average is 0.0625.

Base conversion 66161821

Base System Value
2 Binary 11111100011000110010011101
3 Ternary 11121111100221211
4 Quaternary 3330120302131
5 Quinary 113414134241
6 Senary 10322024421
8 Octal 374306235
10 Decimal 66161821
12 Duodecimal 1a1a8111
16 Hexadecimal 3f18c9d
20 Vigesimal 10da4b1
36 Base36 13e2sd

Cryptographic Hash Functions

md5 5a533fff10a7fae619412313b4e9e3c6
sha1 2c447b5e48a6a0c4f1c44a7227a1d49a54800c37
sha256 f3b83e20c967c74a6e596bcb94b7d73136caa312afd0b23c58262fb6d14176cc
sha512 d1410cdaeb12611024b6a1e0a3a76800715e0e93903e9851e7c16be73179188b16d66e6c6a1f6257de834ea197faabea59615ba51a2ff2e19cbcb9d7ec593bde
ripemd-160 7305c59695d89392c8a5255b229839f9234b0cf1

66161821 as geometric shapes

Circle

Radius = n
Diameter 132323642
Circumference 415706981.60345
Area 1.3751965452649E+16

Sphere

Radius = n
Volume 1.2131401022351E+24
Surface area 5.5007861810595E+16
Circumference 415706981.60345

Square

Length = n
Perimeter 264647284
Area 4377386558036041
Diagonal 93566944.569501

Cube

Length = n
Surface area 26264319348216246
Volume 2.8961586590059E+23
Space diagonal 114595635.49328

Equilateral Triangle

Length = n
Perimeter 198485463
Area 1.8954639807219E+15
Altitude 57297817.746639

Triangular Pyramid

Length = n
Surface area 1.8954639807219E+15
Volume 3.4131557119586E+22
Height 31188981.523167