21443581920768

Names of 21443581920768

• Cardinal: 21443581920768 can be written as Twenty-one trillion, four hundred forty-three billion, five hundred eighty-one million, nine hundred twenty thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1443581920768 × 10¹³

Factors of 21443581920768

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 4667

Divisors of 21443581920768

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 64 67 84 96 98 112 128 134 147 168 192 196 201 224 256 268 294 336 384 392 402 448 469 512 536 588 672 768 784 804 896 938 1072 1176 1289 1344 1407 1536 1568 1608 1792 1876 2144 2352 2578 2688 2814 3136 3216 3283 3299 3584 3752 3867 4288 4704 5156 5376 5628 6272 6432 6566 6598 7504 7734 8576 9023 9408 9849 9897 10312 10752 11256 12544 12864 13132 13196 15008 15468 17152 18046 18816 19698 19794 20624 22512 23093 25088 25728 26264 26392 27069 30016 30936 34304 36092 37632 39396 39588 41248 45024 46186 51456 52528 52784 54138 60032 61872 63161 69279 72184 75264 78792 79176 82496 86363 90048 92372 102912 105056 105568 108276 120064 123744 126322 138558 144368 157584 158352 161651 164992 172726 180096 184744 189483 210112 211136 216552 221033 240128 247488 252644 259089 277116 288736 315168 316704 323302 329984 345452 360192 369488 378966 420224 422272 433104 442066 484953 494976 505288 518178 554232 577472 604541 630336 633408 646604 659968 663099 690904 720384 738976 757932 840448 844544 866208 884132 969906 989952 1010576 1036356 1108464 1154944 1209082 1260672 1266816 1293208 1326198 1381808 1477952 1515864 1547231 1680896 1689088 1732416 1768264 1813623 1939812 1979904 2021152 2072712 2216928 2309888 2418164 2521344 2533632 2586416 2652396 2763616 2955904 3031728 3094462 3464832 3536528 3627246 3879624 4042304 4145424 4231787 4252411 4433856 4619776 4641693 4836328 5042688 5067264 5172832 5304792 5527232 5911808 6063456 6188924 6929664 7073056 7254492 7759248 8084608 8290848 8463574 8504822 8867712 9283386 9672656 10345664 10609584 10830617 11054464 11823616 12126912 12377848 12695361 12757233 13859328 14146112 14508984 15518496 16169216 16581696 16927148 17009644 17735424 18566772 19345312 20691328 21219168 21661234 22108928 24253824 24755696 25390722 25514466 28292224 29017968 29766877 31036992 32338432 32491851 33163392 33854296 34019288 35470848 37133544 38690624 41382656 42438336 43322468 44217856 48507648 49511392 50781444 51028932 56584448 58035936 59533754 62073984 64983702 66326784 67708592 68038576 74267088 77381248 82765312 84876672 86644936 89300631 97015296 99022784 101562888 102057864 113168896 116071872 119067508 124147968 129967404 132653568 135417184 136077152 148534176 154762496 169753344 173289872 178601262 198045568 203125776 204115728 208368139 232143744 238135016 248295936 259934808 270834368 272154304 284911537 297068352 309524992 339506688 346579744 357202524 396091136 406251552 408231456 416736278 464287488 476270032 519869616 541668736 544308608 569823074 594136704 625104417 693159488 714405048 792182272 812503104 816462912 833472556 854734611 928574976 952540064 1039739232 1083337472 1088617216 1139646148 1188273408 1250208834 1386318976 1428810096 1625006208 1632925824 1666945112 1709469222 1905080128 1994380759 2079478464 2166674944 2177234432 2279292296 2376546816 2500417668 2772637952 2857620192 3250012416 3265851648 3333890224 3418938444 3810160256 3988761518 4158956928 4558584592 5000835336 5545275904 5715240384 5983142277 6500024832 6531703296 6667780448 6837876888 7620320512 7977523036 8317913856 9117169184 10001670672 11430480768 11966284554 13335560896 13675753776 13960665313 15240641024 15955046072 16635827712 18234338368 20003341344 22860961536 23932569108 26671121792 27351507552 27921330626 31910092144 36468676736 40006682688 41881995939 45721923072 47865138216 53342243584 54703015104 55842661252 63820184288 72937353472 80013365376 83763991878 95730276432 106684487168 109406030208 111685322504 127640368576 145874706944 160026730752 167527983756 191460552864 218812060416 223370645008 255280737152 320053461504 335055967512 382921105728 437624120832 446741290016 510561474304 670111935024 765842211456 893482580032 1021122948608 1340223870048 1531684422912 1786965160064 2680447740096 3063368845824 3573930320128 5360895480192 7147860640256 10721790960384 21443581920768
• Sum of all divisors σ(n): 67518540144000
• Sum of proper divisors (its aliquot sum) s(n): 46074958223232
• 21443581920768 is an abundant number, because the sum of its proper divisors (46074958223232) is greater than itself. Its abundance is 24631376302464

Bases of 21443581920768

• Binary: 100111000000010111001000101010100011000000000₂
• Hexadecimal: 0x1380B9154600
• Base-36: 7LN1N0OAO

Squares and roots of 21443581920768

• 21443581920768 squared (21443581920768²) is 459827205592688228229709824
• 21443581920768 cubed (21443581920768³) is 9860342352524639468958623748053199224832
• The square root of 21443581920768 is 4630721.5334943215
• The cube root of 21443581920768 is 27782.1452215699

Scales and comparisons

• 21,443,581,920,768 seconds is equal to 681,839 years, 29 weeks, 6 days, 13 hours, 32 minutes, 48 seconds.
• To count from 1 to 21,443,581,920,768 would take you about one million, seven hundred four thousand, five hundred ninety-eight 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 21443581920768 cubic inches would be around 2315.2 feet tall.

Recreational maths with 21443581920768

• 21443581920768 backwards is 86702918534412
• The number of decimal digits it has is: 14
• The sum of 21443581920768's digits is 60
• More coming soon!