218996921 (number)

218996921 is an odd 9-digits composite number following 218996920 and preceding 218996922. In scientific notation, it is written as 2.18996921 × 10^8. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 183773520 positive integers (up to 218996921) that are relatively prime to 218996921.

Interesting facts

Basic properties

Name

Name two hundred eighteen million nine hundred ninety-six thousand nine hundred twenty-one

Notation

Scientific notation 2.18996921 × 10^8
Engineering notation 2.18996921 × 10^6

Prime Factorization of 218996921

Prime Factorization 13 × 11 × 1531447

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 218996921
Product of the distinct prime numbers

The prime factorization of 218996921 is 13 × 11 × 1531447. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 1, 22, 84, 335, 649, 1821, 3441, 42378, 49817, 359186, 777109, 9757689, 8375511, 97384002, 21981667, 685479541, 715601913, 6914614546, 7252152295

Basic calculations (n = 218996921)

Multiplication

n×y
n×2 437993842
n×3 656990763
n×4 875987684
n×5 1094984605

Division

n÷y
n÷2 109498460.5
n÷3 72998973.666667
n÷3 54749230.25
n÷5 43799384.2

Exponentiation

ny
n2 47959651407480241
n3 1.0503015990471E+25
n4 2.300128163127E+33
n5 5.037209856302E+41

Nth Root

y√n
2√n 14798.544556814
3√n 602.76219117147
4√n 121.64926862424
5√n 46.568001662236

Divisors of 218996921

1, 11, 13, 143, 1531447, 16845917, 19908811, 218996921

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 -218996920
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 218996921 can be divided by 8 positive divisors. The sum of these divisors (counting 218996921) is 1, the average is 0.125.

Base conversion 218996921

Base System Value
2 Binary 1101000011011010000010111001
3 Ternary 120021002012022002
4 Quaternary 31003122002321
5 Quinary 422030400141
6 Senary 33421510345
8 Octal 1503320271
10 Decimal 218996921
12 Duodecimal 614123b5
16 Hexadecimal d0da0b9
20 Vigesimal 388ec61
36 Base36 3mdv3t

Cryptographic Hash Functions

md5 c9dc3ca80f1f7f711c85bf61bbb48888
sha1 53a96bffee11884a692800db5b18346b7165afb6
sha256 63fffa3fffaded2dfe5cdc2391902d019397d7a44ec575bd205edd460f4a2c0a
sha512 3f07ef2c82c0399de7cf16ccf07b390d286e12bfdd4872d0ca889eea627effeecfeae8f614b71f836bafce1fb4076bb9f41d1af022a496a2bd358ee191b43447
ripemd-160 2b9cc3aa5cce1799ca1fe924aa9b7a9ec3955895

218996921 as geometric shapes

Circle

Radius = n
Diameter 437993842
Circumference 1375998236.3448
Area 1.5066968853047E+17

Sphere

Radius = n
Volume 4.3994930501602E+25
Surface area 6.0267875412187E+17
Circumference 1375998236.3448

Square

Length = n
Perimeter 875987684
Area 47959651407480241
Diagonal 309708415.79615

Cube

Length = n
Surface area 287757908444881446
Volume 1.0503015990471E+25
Space diagonal 379313793.87315

Equilateral Triangle

Length = n
Perimeter 656990763
Area 2.0767138237762E+16
Altitude 189656896.93657

Triangular Pyramid

Length = n
Surface area 2.0767138237762E+16
Volume 1.2377923049622E+24
Height 103236138.59872