18081930 (number)

18081930 is an even 8-digits composite number following 18081929 and preceding 18081931. In scientific notation, it is written as 1.8081930 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 64 positive divisors. There are 4630080 positive integers (up to 18081930) that are relatively prime to 18081930.

Interesting facts

Basic properties

Name

Name eighteen million eighty-one thousand nine hundred thirty

Notation

Scientific notation 1.8081930 × 10^7
Engineering notation 1.8081930 × 10^6

Prime Factorization of 18081930

Prime Factorization 2 × 5 × 3 × 43 × 107 × 131

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 18081930
Product of the distinct prime numbers

The prime factorization of 18081930 is 2 × 5 × 3 × 43 × 107 × 131. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 1, 78, 40, 830, 152, 7499, 4312, 12763, 77495, 607089, 121794, 8741693, 4216387, 19106478, 45326124, 230964085, 740961505, 9039945194, 9211585718

Basic calculations (n = 18081930)

Multiplication

n×y
n×2 36163860
n×3 54245790
n×4 72327720
n×5 90409650

Division

n÷y
n÷2 9040965
n÷3 6027310
n÷3 4520482.5
n÷5 3616386

Exponentiation

ny
n2 326956192524900
n3 5.9119989863018E+21
n4 1.0690035183038E+29
n5 1.9329646787723E+36

Nth Root

y√n
2√n 4252.2852679471
3√n 262.47116236496
4√n 65.209548901577
5√n 28.278017358006

Divisors of 18081930

1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 107, 129, 131, 214, 215, 258, 262, 321, 393, 430, 535, 642, 645, 655, 786, 1070, 1290, 1310, 1605, 1965, 3210, 3930, 4601, 5633, 9202, 11266, 13803, 14017, 16899, 23005, 27606, 28034, 28165, 33798, 42051, 46010, 56330, 69015, 70085, 84102, 84495, 138030, 140170, 168990, 210255, 420510, 602731, 1205462, 1808193, 3013655, 3616386, 6027310, 9040965, 18081930

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18081929
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18081930 can be divided by 64 positive divisors. The sum of these divisors (counting 18081930) is 1, the average is 0.015625.

Base conversion 18081930

Base System Value
2 Binary 1000100111110100010001010
3 Ternary 1021000122202010
4 Quaternary 1010332202022
5 Quinary 14112110210
6 Senary 1443320350
8 Octal 104764212
10 Decimal 18081930
12 Duodecimal 60800b6
16 Hexadecimal 113e88a
20 Vigesimal 5d04ga
36 Base36 ark3u

Cryptographic Hash Functions

md5 2c6144f1b435752e3d02db5976a586b9
sha1 85f49db6d7f03972793472e505040ff59d36b278
sha256 229bebe12b8f1ae2213daaf074cbcfb8836eca9e5086d9490a1236072065d3b3
sha512 ffe8ea6769c7016a9a9fb1d5544c32e8a158955f7cf4feb90a86932a4e1597740b105d112ad128f5b7b95568341b0ba831293600b1bddf0d49483a28d2639080
ripemd-160 e88e77343b81dc68d916e7e6839f9bdc333671ae

18081930 as geometric shapes

Circle

Radius = n
Diameter 36163860
Circumference 113612116.90145
Area 1.0271631724819E+15

Sphere

Radius = n
Volume 2.4764123444528E+22
Surface area 4.1086526899277E+15
Circumference 113612116.90145

Square

Length = n
Perimeter 72327720
Area 326956192524900
Diagonal 25571710.639881

Cube

Length = n
Surface area 1961737155149400
Volume 5.9119989863018E+21
Space diagonal 31318821.458904

Equilateral Triangle

Length = n
Perimeter 54245790
Area 1.415761843256E+14
Altitude 15659410.729452

Triangular Pyramid

Length = n
Surface area 1.415761843256E+14
Volume 6.9673576226366E+20
Height 8523903.546627