18193832820

Names of 18193832820

• Cardinal: 18193832820 can be written as Eighteen billion, one hundred ninety-three million, eight hundred thirty-two thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.819383282 × 10¹⁰

Factors of 18193832820

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 199

Divisors of 18193832820

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 17 18 20 27 30 34 36 41 45 51 54 60 68 81 82 85 90 102 108 123 131 135 153 162 164 170 180 204 205 243 246 255 262 270 306 324 340 369 393 405 410 459 486 492 510 524 540 612 615 655 697 738 765 786 810 820 918 972 1020 1107 1179 1215 1230 1310 1377 1394 1476 1530 1572 1620 1681 1836 1845 1965 2091 2214 2227 2295 2358 2430 2460 2620 2754 2788 3060 3321 3362 3485 3537 3690 3930 4131 4182 4428 4454 4590 4716 4860 5043 5371 5508 5535 5895 6273 6642 6681 6724 6885 6970 7074 7380 7860 8262 8364 8405 8908 9180 9963 10086 10455 10611 10742 11070 11135 11790 12546 13284 13362 13770 13940 14148 15129 16113 16524 16605 16810 17685 18819 19926 20043 20172 20655 20910 21222 21484 22140 22270 23580 25092 25215 26724 26855 27540 28577 30258 31365 31833 32226 33210 33405 33620 35370 37638 39852 40086 41310 41820 42444 44540 45387 48339 49815 50430 53055 53710 56457 57154 60129 60516 62730 63666 64452 66420 66810 70740 75276 75645 80172 80565 82620 85731 90774 91307 94095 96678 99630 100215 100860 106110 107420 112914 114308 120258 125460 127332 133620 136161 142885 145017 151290 159165 161130 169371 171462 180387 181548 182614 188190 193356 199260 200430 212220 220211 225828 226935 240516 241695 257193 272322 273921 282285 285770 290034 300645 302580 318330 322260 338742 342924 360774 365228 376380 400860 408483 428655 435051 440422 453870 456535 483390 514386 541161 544644 547842 564570 571540 580068 601290 636660 660633 677484 680805 721548 725085 771579 816966 821763 846855 857310 870102 880844 901935 907740 913070 966780 1028772 1082322 1095684 1101055 1129140 1202580 1285965 1305153 1321266 1361610 1369605 1450170 1543158 1633932 1643526 1693710 1714620 1740204 1803870 1826140 1981899 2042415 2164644 2175255 2202110 2314737 2465289 2571930 2610306 2642532 2705805 2723220 2739210 2900340 3086316 3287052 3303165 3387420 3607740 3743587 3857895 3963798 4084830 4108815 4350510 4404220 4629474 4930578 5143860 5220612 5411610 5478420 5945697 6525765 6606330 6944211 7395867 7487174 7715790 7927596 8169660 8217630 8701020 9258948 9861156 9909495 10823220 11230761 11573685 11891394 12326445 13051530 13212660 13888422 14791734 14974348 15431580 16435260 17837091 18717935 19818990 22187601 22461522 23147370 23782788 24652890 26103060 27776844 29583468 29728485 33692283 34721055 35674182 36979335 37435870 39637980 44375202 44923044 46294740 49305780 53511273 56153805 59456970 67384566 69442110 71348364 73958670 74871740 88750404 89185455 101076849 107022546 110938005 112307610 118913940 134769132 138884220 147917340 168461415 178370910 202153698 214045092 221876010 224615220 267556365 303230547 336922830 356741820 404307396 443752020 505384245 535112730 606461094 673845660 909691641 1010768490 1070225460 1212922188 1516152735 1819383282 2021536980 3032305470 3638766564 4548458205 6064610940 9096916410 18193832820
• Sum of all divisors σ(n): 62586748224
• Sum of proper divisors (its aliquot sum) s(n): 44392915404
• 18193832820 is an abundant number, because the sum of its proper divisors (44392915404) is greater than itself. Its abundance is 26199082584

Bases of 18193832820

• Binary: 10000111100011011111101101101110100₂
• Hexadecimal: 0x43C6FDB74
• Base-36: 8CW4Z90

Squares and roots of 18193832820

• 18193832820 squared (18193832820²) is 331015552682109152400
• 18193832820 cubed (18193832820³) is 6022441626318196523757501768000
• The square root of 18193832820 is 134884.5166058729
• The cube root of 18193832820 is 2630.1149703725

Scales and comparisons

• 18,193,832,820 seconds is equal to 578 years, 26 weeks, 2 days, 18 hours, 27 minutes.
• To count from 1 to 18,193,832,820 would take you about one thousand, one hundred fifty-seven years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18193832820 cubic inches would be around 219.2 feet tall.

Recreational maths with 18193832820

• 18193832820 backwards is 02823839181
• 18193832820 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18193832820's digits is 45
• More coming soon!