216821491 (number)

216821491 is an odd 9-digits prime number following 216821490 and preceding 216821492. In scientific notation, it is written as 2.16821491 × 10^8. The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors. There are 216821490 positive integers (up to 216821491) that are relatively prime to 216821491.

Interesting facts

Basic properties

Name

Name two hundred sixteen million eight hundred twenty-one thousand four hundred ninety-one

Notation

Scientific notation 2.16821491 × 10^8
Engineering notation 2.16821491 × 10^6

Prime Factorization of 216821491

Prime Factorization 216821491

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 216821491
Product of the distinct prime numbers

The prime factorization of 216821491 is 216821491. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 6, 7, 40, 783, 135, 682, 1246, 76124, 83789, 817804, 480458, 4961111, 6220527, 96297615, 4983199, 643071701, 398437109, 3145058602, 2233043191

Basic calculations (n = 216821491)

Multiplication

n×y
n×2 433642982
n×3 650464473
n×4 867285964
n×5 1084107455

Division

n÷y
n÷2 108410745.5
n÷3 72273830.333333
n÷3 54205372.75
n÷5 43364298.2

Exponentiation

ny
n2 47011558959463081
n3 1.0193116307825E+25
n4 2.2100866757991E+33
n5 4.7919428828599E+41

Nth Root

y√n
2√n 14724.859625816
3√n 600.75967755888
4√n 121.34603259199
5√n 46.475114168842

Divisors of 216821491

1, 216821491

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 216821492
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 108410746
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 14724.859659773
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999907758
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 216821491 can be divided by 2 positive divisors. The sum of these divisors (counting 216821491) is 216821492, the average is 108410746.

Base conversion 216821491

Base System Value
2 Binary 1100111011000110111011110011
3 Ternary 120002222200011121
4 Quaternary 30323012323303
5 Quinary 421001241431
6 Senary 33303123111
8 Octal 1473067363
10 Decimal 216821491
12 Duodecimal 60743497
16 Hexadecimal cec6ef3
20 Vigesimal 37f2deb
36 Base36 3l38j7

Cryptographic Hash Functions

md5 bcdb9bf4363ad95cb71d07bfc859d94e
sha1 8153159e5518654086a9f7c49deb1e3dc4d59ffb
sha256 20df3efe66ce0ec1c32a0a67b40dae5199c45c73560b8a2df6d61235fa275dae
sha512 480821deb1e32019418ef61499a3e2e2672445f200734dad7ca4eb17e210467639ed2fb03f250b2af8e65922d11c46485d04bd580d741c5de7e7563f90fb1714
ripemd-160 7cac8f3c8d970b1a34f9b8719121b0bfee787fa3

216821491 as geometric shapes

Circle

Radius = n
Diameter 433642982
Circumference 1362329606.532
Area 1.4769116826085E+17

Sphere

Radius = n
Volume 4.2696825746467E+25
Surface area 5.9076467304341E+17
Circumference 1362329606.532

Square

Length = n
Perimeter 867285964
Area 47011558959463081
Diagonal 306631893.18616

Cube

Length = n
Surface area 282069353756778486
Volume 1.0193116307825E+25
Space diagonal 375545838.58484

Equilateral Triangle

Length = n
Perimeter 650464473
Area 2.0356602165202E+16
Altitude 187772919.29242

Triangular Pyramid

Length = n
Surface area 2.0356602165202E+16
Volume 1.2012702771144E+24
Height 102210631.06205