21387189414888

Names of 21387189414888

• Cardinal: 21387189414888 can be written as Twenty-one trillion, three hundred eighty-seven billion, one hundred eighty-nine million, four hundred fourteen thousand, eight hundred eighty-eight.

Scientific notation

• Scientific notation: 2.1387189414888 × 10¹³

Factors of 21387189414888

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 106

Divisors of 21387189414888

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 18 19 22 24 33 36 38 44 57 66 71 72 76 88 99 114 121 132 142 152 171 198 209 213 228 242 264 284 342 361 363 396 418 426 456 484 568 627 639 684 722 726 781 792 836 852 968 1083 1089 1254 1278 1349 1368 1444 1452 1562 1672 1704 1881 2166 2178 2299 2343 2508 2556 2698 2888 2904 3124 3249 3762 3971 4047 4332 4356 4598 4686 5016 5041 5112 5396 6248 6498 6859 6897 7029 7524 7942 8094 8591 8664 8712 9196 9372 10082 10792 11913 12141 12996 13718 13794 14058 14839 15048 15123 15884 16188 17182 18392 18744 20164 20577 20691 23826 24282 25631 25773 25992 27436 27588 28116 29678 30246 31768 32376 34364 35739 40328 41154 41382 43681 44517 45369 47652 48564 51262 51546 54872 55176 55451 56232 59356 60492 61731 68728 71478 75449 76893 77319 82308 82764 87362 89034 90738 95304 95779 97128 102524 103092 110902 118712 120984 123462 131043 133551 142956 150898 153786 154638 163229 164616 165528 166353 174724 178068 181476 191558 205048 206184 221804 226347 230679 246924 262086 267102 281941 285912 287337 301796 307572 309276 326458 332706 349448 356136 357911 362952 383116 393129 443608 452694 461358 486989 489687 493848 499059 524172 534204 563882 574674 603592 609961 615144 618552 652916 665412 679041 715822 766232 786258 829939 845823 862011 905388 922716 973978 979374 998118 1048344 1053569 1068408 1073733 1127764 1149348 1219922 1305832 1330824 1358082 1431644 1460967 1469061 1572516 1659878 1691646 1724022 1810776 1819801 1829883 1845432 1947956 1958748 1996236 2107138 2147466 2255528 2298696 2439844 2489817 2537469 2716164 2863288 2921934 2938122 3101351 3145032 3160707 3221199 3319756 3383292 3448044 3639602 3659766 3895912 3917496 3937021 3992472 4214276 4294932 4382901 4879688 4979634 5074938 5356879 5432328 5459403 5489649 5843868 5876244 6202702 6321414 6442398 6639512 6766584 6800309 6896088 7279204 7319532 7469451 7874042 8428552 8589864 8765802 9304053 9482121 9959268 10149876 10713758 10918806 10979298 11589259 11687736 11752488 11811063 12405404 12642828 12884796 13600618 14558408 14639064 14938902 15748084 16070637 16378209 17531604 18608106 18964242 19918536 20017811 20299752 20400927 21427516 21837612 21958596 23178518 23622126 24810808 25285656 25769592 27201236 27912159 29877804 31496168 32141274 32756418 34576219 34767777 35063208 35433189 37216212 37928484 40035622 40801854 42855032 43307231 43675224 43917192 46357036 47244252 48211911 54402472 55824318 58925669 59755608 60053433 61202781 64282548 65512836 69152438 69535554 70866378 74432424 74803399 75856968 80071244 81603708 86614462 92714072 94488504 96423822 103728657 104303331 111648636 117851338 120106866 122405562 128565096 129205871 129921693 131025672 138304876 139071108 141732756 149606798 160142488 163207416 173228924 176777007 180160299 192847644 207457314 208606662 220195921 223297272 224410197 235702676 240213732 244811124 258411742 259843386 276609752 278142216 283465512 299213596 311185971 346457848 353554014 360320598 380338409 385695288 387617613 389765079 414914628 417213324 440391842 448820394 471405352 480427464 489622248 516823484 519686772 530331021 598427192 622371942 660587763 673230591 707108028 720641196 760676818 775235226 779530158 822837389 829829256 834426648 880783684 897640788 1033646968 1039373544 1060662042 1141015227 1162852839 1244743884 1321175526 1346461182 1414216056 1421264581 1441282392 1521353636 1550470452 1559060316 1645674778 1761567368 1795281576 1981763289 2121324084 2282030454 2325705678 2454911549 2468512167 2489487768 2642351052 2692922364 2842529162 3042707272 3100940904 3118120632 3291349556 3423045681 3963526578 4183722499 4242648168 4263793743 4564060908 4651411356 4909823098 4937024334 5284702104 5385844728 5685058324 6582699112 6846091362 7364734647 7405536501 7927053156 8367444998 8527587486 9128121816 9302822712 9819646196 9874048668 11370116648 12551167497 12791381229 13692182724 14729469294 14811073002 15633910391 15854106312 16734889996 17055174972 19639292392 19748097336 22094203941 25102334994 25582762458 27004027039 27384365448 29458938588 29622146004 31267820782 33469779992 34110349944 37653502491 44188407882 46901731173 50204669988 51165524916 54008054078 58917877176 59244292008 62535641564 75307004982 81012081117 88376815764 93803462346 100409339976 102331049832 108016108156 125071283128 140705193519 150614009964 162024162234 176753631528 187606924692 216032216312 243036243351 281410387038 297044297429 301228019928 324048324468 375213849384 486072486702 562820774076 594088594858 648096648936 891132892287 972144973404 1125641548152 1188177189716 1782265784574 1944289946808 2376354379432 2673398676861 3564531569148 5346797353722 7129063138296 10693594707444 21387189414888
• Sum of all divisors σ(n): 68164798665600
• Sum of proper divisors (its aliquot sum) s(n): 46777609250712
• 21387189414888 is an abundant number, because the sum of its proper divisors (46777609250712) is greater than itself. Its abundance is 25390419835824

Bases of 21387189414888

• Binary: 100110111001110010111110100111110101111101000₂
• Hexadecimal: 0x137397D3EBE8
• Base-36: 7KX50DKA0

Squares and roots of 21387189414888

• 21387189414888 squared (21387189414888²) is 457411871068297311796052544
• 21387189414888 cubed (21387189414888³) is 9782754327156002879357840308899463875072
• The square root of 21387189414888 is 4624628.5704787147
• The cube root of 21387189414888 is 27757.7699379185

Scales and comparisons

• 21,387,189,414,888 seconds is equal to 680,046 years, 24 weeks, 2 days, 12 hours, 34 minutes, 48 seconds.
• To count from 1 to 21,387,189,414,888 would take you about one million, seven hundred thousand, one hundred sixteen 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 21387189414888 cubic inches would be around 2313.1 feet tall.

Recreational maths with 21387189414888

• 21387189414888 backwards is 88841498178312
• 21387189414888 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21387189414888's digits is 72
• More coming soon!