218861421 (number)

218861421 is an odd 9-digits composite number following 218861420 and preceding 218861422. In scientific notation, it is written as 2.18861421 × 10^8. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 145151232 positive integers (up to 218861421) that are relatively prime to 218861421.

Interesting facts

Basic properties

Name

Name two hundred eighteen million eight hundred sixty-one thousand four hundred twenty-one

Notation

Scientific notation 2.18861421 × 10^8
Engineering notation 2.18861421 × 10^6

Prime Factorization of 218861421

Prime Factorization 3 × 193 × 377999

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 218861421
Product of the distinct prime numbers

The prime factorization of 218861421 is 3 × 193 × 377999. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 5, 99, 53, 585, 58, 2563, 7677, 32348, 62785, 527072, 348970, 2234171, 7925221, 61725821, 83108222, 875356124, 905041358, 7838037127, 9274338482

Basic calculations (n = 218861421)

Multiplication

n×y
n×2 437722842
n×3 656584263
n×4 875445684
n×5 1094307105

Division

n÷y
n÷2 109430710.5
n÷3 72953807
n÷3 54715355.25
n÷5 43772284.2

Exponentiation

ny
n2 47900321602139241
n3 1.0483532452201E+25
n4 2.2944408095884E+33
n5 5.021645759869E+41

Nth Root

y√n
2√n 14793.965695512
3√n 602.63784980767
4√n 121.63044723881
5√n 46.562237630082

Divisors of 218861421

1, 3, 193, 579, 377999, 1133997, 72953807, 218861421

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 -218861420
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 218861421 can be divided by 8 positive divisors. The sum of these divisors (counting 218861421) is 1, the average is 0.125.

Base conversion 218861421

Base System Value
2 Binary 1101000010111000111101101101
3 Ternary 120020211022102120
4 Quaternary 31002320331231
5 Quinary 422012031141
6 Senary 33414543153
8 Octal 1502707555
10 Decimal 218861421
12 Duodecimal 61367ab9
16 Hexadecimal d0b8f6d
20 Vigesimal 387hdb1
36 Base36 3mayjx

Cryptographic Hash Functions

md5 58dcd08f4d6c9f82454bbead0475534c
sha1 37ab335fa74b81dd15f6b8566ea4aac22fb82ded
sha256 05826c799683f003c2d109b7d3c8f791b3559c8179444504fbfa16d0d4de43b8
sha512 1004df2f7bbd5dd501a15230429569828f34cd004f3b8bbf3718b2c3f55d9adee73652b38392baf8760b89e4c7b34c143078ba89e99b2e32ad9dd480f9258ad8
ripemd-160 d083d9163c44be3494bbe44328759e1de10d4e20

218861421 as geometric shapes

Circle

Radius = n
Diameter 437722842
Circumference 1375146864.7356
Area 1.5048329844987E+17

Sphere

Radius = n
Volume 4.3913318047341E+25
Surface area 6.0193319379948E+17
Circumference 1375146864.7356

Square

Length = n
Perimeter 875445684
Area 47900321602139241
Diagonal 309516789.85845

Cube

Length = n
Surface area 287401929612835446
Volume 1.0483532452201E+25
Space diagonal 379079100.98872

Equilateral Triangle

Length = n
Perimeter 656584263
Area 2.0741447678449E+16
Altitude 189539550.49436

Triangular Pyramid

Length = n
Surface area 2.0741447678449E+16
Volume 1.2354961479568E+24
Height 103172263.28615