18159972302520

Names of 18159972302520

• Cardinal: 18159972302520 can be written as Eighteen trillion, one hundred fifty-nine billion, nine hundred seventy-two million, three hundred two thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.815997230252 × 10¹³

Factors of 18159972302520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1291

Divisors of 18159972302520

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 41 45 53 54 60 72 81 82 90 106 108 120 123 135 159 162 164 180 205 212 216 246 265 270 318 324 328 360 369 405 410 424 477 492 530 540 615 636 648 738 795 810 820 954 984 1060 1080 1107 1187 1230 1272 1431 1476 1590 1620 1640 1681 1845 1908 2120 2173 2214 2374 2385 2460 2809 2862 2952 3180 3240 3321 3362 3561 3690 3816 4293 4346 4428 4748 4770 4920 5043 5535 5618 5724 5935 6360 6519 6642 6724 7122 7155 7380 8405 8427 8586 8692 8856 9496 9540 10086 10683 10865 11070 11236 11448 11870 13038 13284 13448 14045 14244 14310 14760 15129 16605 16810 16854 17172 17384 17805 19080 19557 20172 21366 21465 21730 22140 22472 23740 25215 25281 26076 26568 28090 28488 28620 30258 32049 32595 33210 33620 33708 34344 35610 39114 40344 42135 42732 42930 43460 44280 45387 47480 48667 50430 50562 52152 53415 56180 57240 58671 60516 62911 64098 65190 66420 67240 67416 71220 75645 75843 78228 84270 85464 85860 86920 89093 90774 96147 97334 97785 100860 101124 106830 112360 115169 117342 121032 125822 126405 128196 130380 132840 136161 142440 146001 151290 151686 156456 160245 168540 171720 176013 178186 181548 188733 192294 194668 195570 201720 202248 213660 226935 227529 230338 234684 243335 251644 252810 256392 260760 267279 272322 292002 293355 302580 303372 314555 320490 337080 345507 352026 356372 363096 377466 379215 384588 389336 391140 427320 438003 445465 453870 455058 460676 469368 480735 486670 503288 505620 534558 544644 566199 575845 584004 586710 605160 606744 629110 640980 680805 691014 704052 712744 730005 754932 758430 769176 782280 801837 876006 880065 890930 907740 910116 921352 943665 961470 973340 1011240 1036521 1069116 1089288 1132398 1137645 1151690 1168008 1173420 1258220 1281960 1314009 1336395 1361610 1382028 1408104 1460010 1509864 1516860 1603674 1698597 1727535 1752012 1760130 1781860 1815480 1820232 1887330 1922940 1946680 1995347 2073042 2138232 2190015 2264796 2275290 2303380 2346840 2405511 2516440 2579351 2628018 2672790 2723220 2764056 2830995 2920020 3033720 3109563 3207348 3334283 3397194 3455070 3504024 3520260 3563720 3774660 3845880 3942027 3990694 4009185 4146084 4380030 4529592 4550580 4606760 4721929 4811022 5095791 5158702 5182605 5256036 5345580 5446440 5661990 5840040 5986041 6219126 6414696 6570045 6668566 6794388 6910140 7040520 7216533 7549320 7738053 7884054 7981388 8018370 8292168 8492985 8760060 9101160 9328689 9443858 9622044 9976735 10002849 10191582 10317404 10365210 10512072 10691160 11323980 11972082 12027555 12438252 12896755 13140090 13337132 13588776 13820280 14165787 14433066 15476106 15547815 15768108 15962776 16036740 16671415 16985970 17520120 17958123 18657378 18887716 19244088 19710135 19953470 20005698 20383164 20634808 20730420 22647960 23214159 23609645 23944164 24055110 24876504 25478955 25793510 26280180 26674264 28331574 28866132 29930205 30008547 30952212 31095630 31536216 32073480 33342830 33971940 35916246 36082665 37314756 37775432 38690265 39420270 39906940 40011396 40766328 41460840 42497361 46428318 46643445 47219290 47888328 48110220 50014245 50957910 51587020 52560360 53874369 56663148 57732264 59860410 60017094 61904424 62191260 66685660 67943880 69642477 70828935 71832492 72165330 74629512 77380530 78840540 79813880 80022792 84994722 89790615 90025641 92856636 93286890 94438580 96220440 100028490 101915820 103174040 105753391 107748738 113326296 116070795 119720820 120034188 124382520 127492083 133371320 136705603 139284954 141657870 143664984 144330660 150042735 154761060 157681080 161623107 169989444 179581230 180051282 185713272 186573780 188877160 200056980 203831640 208927431 211506782 212486805 215497476 232141590 239441640 240068376 254984166 269371845 270076923 273411206 278569908 283315740 288661320 300085470 309522120 317260173 323246214 339978888 348212385 359162460 360102564 373147560 382476249 400113960 410116809 417854862 423013564 424973610 430994952 450128205 464283180 509968332 528766955 538743690 540153846 546822412 557139816 566631480 600170940 634520346 637460415 646492428 683528015 696424770 718324920 720205128 764952498 808115535 820233618 835709724 846027128 849947220 900256410 928566360 951780519 1019936664 1044637155 1057533910 1077487380 1080307692 1093644824 1200341880 1230350427 1269040692 1274920830 1292984856 1350384615 1367056030 1392849540 1529904996 1586300865 1616231070 1640467236 1671419448 1699894440 1800512820 1903561038 1912381245 2050584045 2089274310 2115067820 2154974760 2160615384 2460700854 2538081384 2549841660 2700769230 2734112060 2785699080 2855341557 3059809992 3172601730 3232462140 3280934472 3601025640 3691051281 3807122076 3824762490 4101168090 4178548620 4230135640 4758902595 4921401708 5099683320 5401538460 5468224120 5604929723 5710683114 6151752135 6345203460 6464924280 7382102562 7614244152 7649524980 8202336180 8357097240 8566024671 9517805190 9842803416 10803076920 11073153843 11209859446 11421366228 12303504270 12690406920 14276707785 14764205124 15299049960 16404672360 16814789169 17132049342 18455256405 19035610380 22146307686 22419718892 22842732456 24607008540 28024648615 28553415570 29528410248 33629578338 34264098684 36910512810 38071220760 42830123355 44292615372 44839437784 49214017080 50444367507 55365769215 56049297230 57106831140 67259156676 68528197368 73821025620 84073945845 85660246710 88585230744 100888735014 110731538430 112098594460 114213662280 134518313352 147642051240 151333102521 168147891690 171320493420 201777470028 221463076860 224197188920 252221837535 302666205042 336295783380 342640986840 403554940056 442926153720 453999307563 504443675070 605332410084 672591566760 756665512605 907998615126 1008887350140 1210664820168 1513331025210 1815997230252 2017774700280 2269996537815 3026662050420 3631994460504 4539993075630 6053324100840 9079986151260 18159972302520
• Sum of all divisors σ(n): 63819139756680
• Sum of proper divisors (its aliquot sum) s(n): 45659167454160
• 18159972302520 is an abundant number, because the sum of its proper divisors (45659167454160) is greater than itself. Its abundance is 27499195151640

Bases of 18159972302520

• Binary: 100001000010000110010101100101011111010111000₂
• Hexadecimal: 0x108432B2BEB8
• Base-36: 6FQKQMRI0

Squares and roots of 18159972302520

• 18159972302520 squared (18159972302520²) is 329784594028293550398350400
• 18159972302520 cubed (18159972302520³) is 5988879093351613468453996976697763008000
• The square root of 18159972302520 is 4261451.9007634007
• The cube root of 18159972302520 is 26284.8232265067

Scales and comparisons

• 18,159,972,302,520 seconds is equal to 577,430 years, 49 weeks, 1 day, 14 hours, 42 minutes.
• To count from 1 to 18,159,972,302,520 would take you about one million, four hundred forty-three thousand, five hundred seventy-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 18159972302520 cubic inches would be around 2190.4 feet tall.

Recreational maths with 18159972302520

• 18159972302520 backwards is 02520327995181
• 18159972302520 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18159972302520's digits is 54
• More coming soon!