21489389007944

Names of 21489389007944

• Cardinal: 21489389007944 can be written as Twenty-one trillion, four hundred eighty-nine billion, three hundred eighty-nine million, seven thousand, nine hundred forty-four.

Scientific notation

• Scientific notation: 2.1489389007944 × 10¹³

Factors of 21489389007944

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 124

Divisors of 21489389007944

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 4 8 11 13 22 26 37 44 52 61 74 88 104 121 122 143 148 169 242 244 286 296 338 407 481 484 488 572 671 676 793 814 962 968 1144 1331 1342 1352 1369 1573 1586 1628 1859 1924 2197 2257 2662 2684 2738 3146 3172 3256 3718 3848 4394 4477 4514 5291 5324 5368 5476 6253 6292 6344 7381 7436 8723 8788 8954 9028 10309 10582 10648 10952 12506 12584 14641 14762 14872 15059 17303 17446 17576 17797 17908 18056 20449 20618 21164 24167 24827 25012 29282 29341 29524 30118 34606 34892 35594 35816 40898 41236 42328 48334 49247 49654 50024 58201 58564 58682 59048 60236 68783 69212 69784 71188 81191 81289 81796 82472 83509 95953 96668 98494 99308 113399 116402 117128 117364 120472 134017 137566 138424 142376 162382 162578 163592 165649 167018 190333 191906 193336 195767 196988 198616 224939 226798 231361 232804 234728 265837 268034 273097 275132 322751 324764 325156 331298 334036 380666 381433 383812 391534 393976 449878 453596 462722 465608 531674 536068 541717 546194 550264 640211 645502 649528 650312 662596 668072 756613 761332 762866 767624 783068 893101 894179 899756 907192 918599 925444 1055483 1063348 1072136 1083434 1085617 1092388 1247389 1280422 1291004 1325192 1474187 1513226 1522664 1525732 1566136 1786202 1788358 1799512 1822139 1837198 1850888 2110966 2126696 2153437 2166868 2171234 2184776 2474329 2494778 2544971 2560844 2582008 2924207 2948374 3004067 3007693 3026452 3051464 3550261 3572404 3576716 3644278 3674396 4195763 4221932 4306874 4333736 4342468 4948658 4958629 4989556 5089942 5121688 5848414 5896748 6008134 6015386 6052904 7042321 7100522 7144808 7153432 7288556 7348792 8322743 8391526 8443864 8613748 8684936 9835969 9897316 9917258 9979112 10104589 10179884 11610313 11696828 11793496 11941787 12016268 12030772 13721279 14084642 14113021 14201044 14577112 16216057 16645486 16783052 17227496 19671938 19794632 19834516 20043529 20209178 20359768 23220626 23393656 23687807 23883574 24032536 24061544 27442558 27994681 28169284 28226042 28402088 32166277 32432114 33044737 33084623 33290972 33566104 39052871 39343876 39669032 40087058 40418356 46153393 46441252 47375614 47767148 54544919 54885116 55989362 56338568 56452084 64332554 64864228 66089474 66169246 66581944 78105742 78687752 80174116 80836712 91550173 92306786 92882504 94751228 95534296 108195659 109089838 109770232 111150479 111978724 112904168 128665108 129728456 131359657 132178948 132338492 150934069 155243231 156211484 160348232 178376627 183100346 183469273 184613572 189502456 216391318 218179676 222300958 223957448 257330216 260565877 262719314 264357896 264676984 301868138 307941491 310486462 312422968 356753254 363930853 366200692 366938546 369227144 429581581 432782636 436359352 444601916 507687323 521131754 525438628 599994109 603736276 615882982 620972924 713506508 727861706 732401384 733877092 859163162 865565272 889203832 1015374646 1042263508 1050877256 1190152249 1199988218 1207472552 1222655269 1231765964 1241945848 1427013016 1444956227 1455723412 1467754184 1707675541 1718326324 1962142897 2018162003 2030749292 2084527016 2380304498 2399976436 2445310538 2463531928 2889912454 2911446824 3387356401 3415351082 3436652648 3924285794 4003239383 4036324006 4061498584 4760608996 4799952872 4890621076 5584560553 5779824908 6599935199 6774712802 6830702164 7848571588 8006478766 8072648012 9521217992 9781242152 11169121106 11559649816 13199870398 13549425604 13661404328 15697143176 15894518497 16012957532 16145296024 18784430951 22199782033 22338242212 26399740796 27098851208 31789036994 32025915064 37568861902 44035633213 44399564066 44676484424 52799481592 63578073988 72599287189 75137723804 88071266426 88799128132 127156147976 145198574378 150275447608 176142532852 177598256264 206628740461 244197602363 290397148756 352285065704 413257480922 488395204726 580794297512 826514961844 976790409452 1653029923688 1953580818904 2686173625993 5372347251986 10744694503972 21489389007944
• Sum of all divisors σ(n): 50155057449000
• Sum of proper divisors (its aliquot sum) s(n): 28665668441056
• 21489389007944 is an abundant number, because the sum of its proper divisors (28665668441056) is greater than itself. Its abundance is 7176279433112

Bases of 21489389007944

• Binary: 100111000101101100011011001011111010001001000₂
• Hexadecimal: 0x138B6365F448
• Base-36: 7M837DIYW

Squares and roots of 21489389007944

• 21489389007944 squared (21489389007944²) is 461793839934744412495107136
• 21489389007944 cubed (21489389007944³) is 9923667467829947560125427455041035088384
• The square root of 21489389007944 is 4635664.8938360503
• The cube root of 21489389007944 is 27801.9135925245

Scales and comparisons

• 21,489,389,007,944 seconds is equal to 683,296 years, 5 weeks, 1 day, 4 hours, 25 minutes, 44 seconds.
• To count from 1 to 21,489,389,007,944 would take you about one million, seven hundred eight thousand, two hundred forty 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 21489389007944 cubic inches would be around 2316.8 feet tall.

Recreational maths with 21489389007944

• 21489389007944 backwards is 44970098398412
• The number of decimal digits it has is: 14
• The sum of 21489389007944's digits is 68
• More coming soon!