18072793440

Names of 18072793440

• Cardinal: 18072793440 can be written as Eighteen billion, seventy-two million, seven hundred ninety-three thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.807279344 × 10¹⁰

Factors of 18072793440

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 278

Divisors of 18072793440

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 32 36 39 40 41 45 47 48 52 54 60 65 72 78 80 82 90 94 96 104 108 117 120 123 130 135 141 144 156 160 164 167 180 188 195 205 208 216 234 235 240 246 260 270 282 288 312 328 334 351 360 369 376 390 410 416 423 432 468 470 480 492 501 520 533 540 564 585 611 615 624 656 668 702 705 720 738 752 780 820 835 846 864 936 940 984 1002 1040 1066 1080 1107 1128 1170 1222 1230 1248 1269 1312 1336 1404 1410 1440 1476 1503 1504 1560 1599 1640 1670 1692 1755 1833 1845 1872 1880 1927 1968 2004 2080 2115 2132 2160 2171 2214 2256 2340 2444 2460 2505 2538 2665 2672 2808 2820 2952 3006 3055 3120 3198 3280 3340 3384 3510 3666 3690 3744 3760 3854 3936 4008 4230 4264 4320 4342 4428 4509 4512 4680 4797 4888 4920 5010 5076 5330 5344 5499 5535 5616 5640 5781 5904 6012 6110 6240 6345 6396 6513 6560 6680 6768 6847 7020 7332 7380 7515 7520 7708 7849 7995 8016 8460 8528 8684 8856 9018 9165 9360 9594 9635 9776 9840 10020 10152 10660 10855 10998 11070 11232 11280 11562 11808 12024 12220 12690 12792 13026 13360 13536 13694 14040 14391 14664 14760 15030 15416 15698 15990 16032 16497 16920 17056 17343 17368 17712 18036 18330 18720 19188 19270 19539 19552 19680 20040 20304 20541 21320 21710 21996 22140 22545 22560 23124 23547 23985 24048 24440 25051 25380 25584 26052 26720 27388 27495 28080 28782 28905 29328 29520 30060 30832 31396 31980 32565 32994 33840 34235 34686 34736 35424 36072 36660 38376 38540 39078 39245 40080 40608 41082 42640 43420 43992 44280 45090 46248 47094 47970 48096 48880 50102 50760 51168 52029 52104 54776 54990 56160 57564 57810 58617 58656 59040 60120 61623 61664 62792 63960 65130 65988 67680 68470 69372 69472 70641 71955 72144 73320 75153 76752 77080 78156 78490 80160 82164 82485 85280 86715 86840 87984 88560 89011 90180 92496 94188 95940 97695 97760 100204 101520 102037 102705 104058 104208 109552 109980 115128 115620 117234 117735 120240 123246 125255 125584 127920 130260 131976 136940 138744 141282 143910 144288 146640 150306 153504 154160 156312 156980 164328 164970 173430 173680 175968 177120 178022 180360 184869 184992 188376 191880 195390 200408 203040 204074 205410 208116 208416 211923 219104 219960 225459 230256 231240 234468 235470 240480 246492 250510 251168 255840 260145 260520 263952 267033 273880 277488 282564 287820 293085 293280 300612 306111 308115 308320 312624 313960 321809 328656 329940 346860 347360 353205 356044 360720 369738 375765 376752 383760 390780 400816 408148 410820 416232 423846 439920 445055 450918 460512 462480 468936 470940 492984 501020 510185 520290 521040 527904 534066 547760 554976 565128 575640 586170 601224 612222 616230 625248 627920 643618 657312 659880 676377 693720 706410 712088 721440 739476 751530 753504 767520 781560 801099 801632 816296 821640 832464 847692 879840 890110 901836 918333 924345 924960 937872 941880 965427 985968 1002040 1020370 1040580 1042080 1059615 1068132 1095520 1127295 1130256 1151280 1172340 1202448 1224444 1232460 1255840 1287236 1319760 1335165 1352754 1387440 1412820 1424176 1478952 1503060 1530555 1563120 1602198 1609045 1632592 1643280 1664928 1695384 1780220 1803672 1836666 1848690 1875744 1883760 1930854 1971936 2004080 2040740 2081160 2119230 2136264 2254590 2260512 2302560 2344680 2403297 2404896 2448888 2464920 2574472 2639520 2670330 2705508 2754999 2774880 2825640 2848352 2896281 2957904 3006120 3061110 3126240 3204396 3218090 3265184 3286560 3381885 3390768 3560440 3607344 3673332 3697380 3767520 3861708 4005495 4008160 4081480 4162320 4183517 4238460 4272528 4509180 4591665 4689360 4806594 4827135 4897776 4929840 5148944 5340660 5411016 5509998 5651280 5792562 5915808 6012240 6122220 6408792 6436180 6763770 6781536 7120880 7214688 7346664 7394760 7723416 8010990 8162960 8324640 8367034 8476920 8545056 8688843 9018360 9183330 9378720 9613188 9654270 9795552 9859680 10297888 10681320 10822032 11019996 11302560 11585124 12016485 12024480 12244440 12550551 12817584 12872360 13527540 13774995 14241760 14481405 14693328 14789520 15446832 16021980 16325920 16734068 16953840 17377686 18036720 18366660 19226376 19308540 20917585 21362640 21644064 22039992 23170248 24032970 24488880 25101102 25635168 25744720 27055080 27549990 28962810 29386656 29579040 30893664 32043960 33468136 33907680 34755372 36073440 36733320 37651653 38452752 38617080 41835170 42725280 43444215 44079984 46340496 48065940 48977760 50202204 51489440 54110160 55099980 57925620 62752755 64087920 66936272 69510744 73466640 75303306 76905504 77234160 83670340 86888430 88159968 92680992 96131880 100404408 108220320 110199960 112954959 115851240 125505510 128175840 133872544 139021488 146933280 150606612 154468320 167340680 173776860 188258265 192263760 200808816 220399920 225909918 231702480 251011020 278042976 301213224 334681360 347553720 376516530 384527520 401617632 440799840 451819836 463404960 502022040 564774795 602426448 669362720 695107440 753033060 903639672 1004044080 1129549590 1204852896 1390214880 1506066120 1807279344 2008088160 2259099180 3012132240 3614558688 4518198360 6024264480 9036396720 18072793440
• Sum of all divisors σ(n): 71693475840
• Sum of proper divisors (its aliquot sum) s(n): 53620682400
• 18072793440 is an abundant number, because the sum of its proper divisors (53620682400) is greater than itself. Its abundance is 35547888960

Bases of 18072793440

• Binary: 10000110101001110001111000101100000₂
• Hexadecimal: 0x43538F160
• Base-36: 8AW2OO0

Squares and roots of 18072793440

• 18072793440 squared (18072793440²) is 326625862724907033600
• 18072793440 cubed (18072793440³) is 5903041749189040361455939584000
• The square root of 18072793440 is 134435.0900620815
• The cube root of 18072793440 is 2624.2694718175

Scales and comparisons

• 18,072,793,440 seconds is equal to 574 years, 34 weeks, 1 day, 20 hours, 24 minutes.
• To count from 1 to 18,072,793,440 would take you about one thousand, one hundred forty-nine 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 18072793440 cubic inches would be around 218.7 feet tall.

Recreational maths with 18072793440

• 18072793440 backwards is 04439727081
• 18072793440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18072793440's digits is 45
• More coming soon!