18789940 (number)

18789940 is an even 8-digits composite number following 18789939 and preceding 18789941. In scientific notation, it is written as 1.8789940 × 10^7. The sum of its digits is 46. It has a total of 5 prime factors and 24 positive divisors. There are 6937728 positive integers (up to 18789940) that are relatively prime to 18789940.

Interesting facts

Basic properties

Name

Name eighteen million seven hundred eighty-nine thousand nine hundred forty

Notation

Scientific notation 1.8789940 × 10^7
Engineering notation 1.8789940 × 10^6

Prime Factorization of 18789940

Prime Factorization 2 × 2 × 5 × 13 × 72269

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9394970
Product of the distinct prime numbers

The prime factorization of 18789940 is 2 × 2 × 5 × 13 × 72269. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 3, 95, 43, 618, 469, 8590, 8350, 28039, 96051, 474673, 495798, 4948056, 6828746, 35470813, 53970297, 33187523, 383221210, 6031109713, 7140266347

Basic calculations (n = 18789940)

Multiplication

n×y
n×2 37579880
n×3 56369820
n×4 75159760
n×5 93949700

Division

n÷y
n÷2 9394970
n÷3 6263313.3333333
n÷3 4697485
n÷5 3757988

Exponentiation

ny
n2 353061845203600
n3 6.6340108876649E+21
n4 1.2465266653857E+29
n5 2.3422161250998E+36

Nth Root

y√n
2√n 4334.7364395082
3√n 265.85314221897
4√n 65.838715354328
5√n 28.496077198391

Divisors of 18789940

1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 72269, 144538, 289076, 361345, 722690, 939497, 1445380, 1878994, 3757988, 4697485, 9394970, 18789940

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 -18789939
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 18789940 can be divided by 24 positive divisors. The sum of these divisors (counting 18789940) is 1, the average is 0.041666666666667.

Base conversion 18789940

Base System Value
2 Binary 1000111101011011000110100
3 Ternary 1022100121221201
4 Quaternary 1013223120310
5 Quinary 14302234230
6 Senary 1510422244
8 Octal 107533064
10 Decimal 18789940
12 Duodecimal 6361984
16 Hexadecimal 11eb634
20 Vigesimal 5h8eh0
36 Base36 b6qes

Cryptographic Hash Functions

md5 f088f0ef0be7ece884f1d33b5fec9310
sha1 cbb7fc1860f3ee79402f95f2caf6e53a5418c409
sha256 5631cecdaf2984da10733a9be855955246f6f975510bd21e8715c96b889b1eba
sha512 20f6081effcce78aaeae49630d80d3e18ebf8bf4f6cbb74d995215466af7e3a2c8edfefbad27b11acee56359ad4d632856d4ae68d9107c4c1a4e1f3876dffd41
ripemd-160 0fb72d3c755f681eb02dbf2e96ca8e0798b8958d

18789940 as geometric shapes

Circle

Radius = n
Diameter 37579880
Circumference 118060674.93079
Area 1.1091764991545E+15

Sphere

Radius = n
Volume 2.7788479824697E+22
Surface area 4.4367059966179E+15
Circumference 118060674.93079

Square

Length = n
Perimeter 75159760
Area 353061845203600
Diagonal 26572987.984177

Cube

Length = n
Surface area 2118371071221600
Volume 6.6340108876649E+21
Space diagonal 32545130.751171

Equilateral Triangle

Length = n
Perimeter 56369820
Area 1.5288026352666E+14
Altitude 16272565.375585

Triangular Pyramid

Length = n
Surface area 1.5288026352666E+14
Volume 7.8182568085554E+20
Height 8857662.6613922