2181388428 (number)

2181388428 is an even 10-digits composite number following 2181388427 and preceding 2181388429. In scientific notation, it is written as 2.181388428 × 10^9. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 707476032 positive integers (up to 2181388428) that are relatively prime to 2181388428.

Interesting facts

Basic properties

Name

Name two billion one hundred eighty-one million three hundred eighty-eight thousand four hundred twenty-eight

Notation

Scientific notation 2.181388428 × 10^9
Engineering notation 2.181388428 × 10^9

Prime Factorization of 2181388428

Prime Factorization 2 × 2 × 333 × 3 × 545893

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1090694214
Product of the distinct prime numbers

The prime factorization of 2181388428 is 2 × 2 × 333 × 3 × 545893. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 7, 86, 6, 285, 409, 1868, 383, 63192, 26933, 490275, 842182, 3239516, 7550044, 29258912, 57378753, 934174953, 88546977, 5414434061, 4557515054

Basic calculations (n = 2181388428)

Multiplication

n×y
n×2 4362776856
n×3 6544165284
n×4 8725553712
n×5 10906942140

Division

n÷y
n÷2 1090694214
n÷3 727129476
n÷3 545347107
n÷5 436277685.6

Exponentiation

ny
n2 4758455473812311184
n3 1.0380039705727E+28
n4 2.2642898496254E+37
n5 4.9392956756108E+46

Nth Root

y√n
2√n 46705.336183353
3√n 1296.9134720811
4√n 216.11417395292
5√n 73.747380866811

Divisors of 2181388428

1, 2, 3, 4, 6, 12, 333, 666, 999, 1332, 1998, 3996, 545893, 1091786, 1637679, 2183572, 3275358, 6550716, 181782369, 363564738, 545347107, 727129476, 1090694214, 2181388428

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -2181388427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 2181388428 can be divided by 24 positive divisors. The sum of these divisors (counting 2181388428) is 1, the average is 0.041666666666667.

Base conversion 2181388428

Base System Value
2 Binary 10000010000001010101100010001100
3 Ternary 12122000200000101000
4 Quaternary 2002001111202030
5 Quinary 13431413412203
6 Senary 1000242420300
8 Octal 20201254214
10 Decimal 2181388428
12 Duodecimal 50a661690
16 Hexadecimal 8205588c
20 Vigesimal 1e1ddb18
36 Base36 102qq30

Cryptographic Hash Functions

md5 ebbd4c4a3128783c285252d57fb07ef5
sha1 7a2334fcf85074df25cf52facd577c1e19d8166d
sha256 1f0ed7e5f888628f827e8e787104fa70284011c16e5599617e2f5d7f4a0fbde6
sha512 5368490e56765d12306aa9aaa5cf41c5ea81024d6e33f45cd6f2af2d835c16502884478ca7f5335ac8a1aab7e9b694291de97d7593f833b6a6a214bb04a2815c
ripemd-160 9b7709600a3ab20037db4c6b316deb2138a7e82a

2181388428 as geometric shapes

Circle

Radius = n
Diameter 4362776856
Circumference 13706067720.061
Area 1.4949128758963E+19

Sphere

Radius = n
Volume 4.3479808644645E+28
Surface area 5.9796515035852E+19
Circumference 13706067720.061

Square

Length = n
Perimeter 8725553712
Area 4758455473812311184
Diagonal 3084949099.6813

Cube

Length = n
Surface area 2.8550732842874E+19
Volume 1.0380039705727E+28
Space diagonal 3778275588.3388

Equilateral Triangle

Length = n
Perimeter 6544165284
Area 2.0604716615493E+18
Altitude 1889137794.1694

Triangular Pyramid

Length = n
Surface area 2.0604716615493E+18
Volume 1.2232994108176E+27
Height 1028316366.5604