18042689940

Names of 18042689940

• Cardinal: 18042689940 can be written as Eighteen billion, forty-two million, six hundred eighty-nine thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.804268994 × 10¹⁰

Factors of 18042689940

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 110

Divisors of 18042689940

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 10 11 12 15 19 20 22 23 30 33 38 44 46 47 55 57 60 66 69 76 92 94 95 110 114 115 121 132 138 141 165 188 190 209 220 228 230 235 242 253 276 282 285 330 345 363 380 418 437 460 470 484 506 517 564 570 605 627 660 690 705 726 759 836 874 893 940 1012 1034 1045 1081 1140 1210 1254 1265 1311 1331 1380 1410 1452 1518 1551 1748 1786 1815 2068 2090 2162 2185 2299 2420 2508 2530 2585 2622 2662 2679 2783 2820 3036 3102 3135 3243 3572 3630 3795 3993 4180 4324 4370 4465 4598 4807 5060 5170 5244 5324 5358 5405 5566 5687 6204 6270 6486 6555 6655 6897 7260 7590 7755 7986 8349 8740 8930 9196 9614 9823 10340 10716 10810 11132 11374 11495 11891 12540 12972 13110 13310 13395 13794 13915 14421 14641 15180 15510 15972 16215 16698 17061 17860 19228 19646 19965 20539 21620 22748 22990 23782 24035 25289 26220 26620 26790 27588 27830 28435 28842 29282 29469 30613 31020 32430 33396 34122 34485 35673 39292 39930 41078 41745 43923 45980 47564 48070 49115 50578 52877 53580 55660 56870 57684 58564 58938 59455 61226 61617 62557 64860 68244 68970 71346 72105 73205 75867 79860 82156 83490 85305 87846 91839 96140 98230 101156 102695 105754 108053 113740 117876 118910 122452 123234 125114 126445 130801 137940 142692 144210 146410 147345 151734 153065 158631 166980 170610 175692 178365 183678 187671 196460 205390 211508 216106 219615 225929 237820 246468 250228 252890 261602 264385 278179 288420 292820 294690 303468 306130 308085 312785 317262 324159 336743 341220 356730 367356 375342 379335 392403 410780 432212 439230 451858 459195 505780 523204 528770 540265 556358 581647 589380 612260 616170 625570 634524 648318 654005 673486 677787 688127 713460 750684 758670 784806 793155 834537 878460 903716 918390 938355 1010229 1057540 1080530 1112716 1129645 1163294 1188583 1232340 1251140 1296636 1308010 1346972 1355574 1376254 1390895 1438811 1517340 1569612 1586310 1620795 1669074 1683715 1744941 1836780 1876710 1962015 2020458 2064381 2161060 2259290 2326588 2377166 2485219 2616020 2711148 2752508 2781790 2877622 2908235 3172620 3241590 3338148 3367430 3388935 3440635 3489882 3565749 3753420 3924030 4040916 4128762 4172685 4316433 4518580 4754332 4970438 5051145 5563580 5755244 5816470 5942915 6398117 6483180 6734860 6777870 6881270 6979764 7131498 7194055 7455657 7848060 8257524 8345370 8632866 8724705 9940876 10102290 10321905 11632940 11885830 12426095 12796234 13074413 13555740 13762540 14262996 14388110 14911314 15826921 16690740 17265732 17449410 17828745 19194351 20204580 20643810 21582165 23771660 24852190 25592468 26148826 27337409 28776220 29822628 31653842 31990585 34898820 35657490 37278285 38388702 39223239 41287620 43164330 47480763 49704380 52297652 54674818 63307684 63981170 65372065 71314980 74556570 76777404 78446478 79134605 82012227 86328660 94961526 95971755 109349636 127962340 130744130 136687045 149113140 156892956 158269210 164024454 189923052 191943510 196116195 237403815 261488260 273374090 300711499 316538420 328048908 383887020 392232390 410061135 474807630 546748180 601422998 784464780 820122270 902134497 949615260 1202845996 1503557495 1640244540 1804268994 3007114990 3608537988 4510672485 6014229980 9021344970 18042689940
• Sum of all divisors σ(n): 62337945600
• Sum of proper divisors (its aliquot sum) s(n): 44295255660
• 18042689940 is an abundant number, because the sum of its proper divisors (44295255660) is greater than itself. Its abundance is 26252565720

Bases of 18042689940

• Binary: 10000110011011011011001100110010100₂
• Hexadecimal: 0x4336D9994
• Base-36: 8AE5GNO

Squares and roots of 18042689940

• 18042689940 squared (18042689940²) is 325538660270977203600
• 18042689940 cubed (18042689940³) is 5873593110752238065363051784000
• The square root of 18042689940 is 134323.0804441291
• The cube root of 18042689940 is 2622.8115972191

Scales and comparisons

• 18,042,689,940 seconds is equal to 573 years, 36 weeks, 3 days, 10 hours, 19 minutes.
• To count from 1 to 18,042,689,940 would take you about one thousand, one hundred forty-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 18042689940 cubic inches would be around 218.6 feet tall.

Recreational maths with 18042689940

• 18042689940 backwards is 04998624081
• The number of decimal digits it has is: 11
• The sum of 18042689940's digits is 51
• More coming soon!