21381248401408

Names of 21381248401408

• Cardinal: 21381248401408 can be written as Twenty-one trillion, three hundred eighty-one billion, two hundred forty-eight million, four hundred one thousand, four hundred eight.

Scientific notation

• Scientific notation: 2.1381248401408 × 10¹³

Factors of 21381248401408

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 601

Divisors of 21381248401408

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 31 32 38 49 56 62 64 76 98 103 112 124 128 133 152 196 206 217 224 248 256 266 304 392 412 434 439 448 496 512 532 589 608 721 784 824 868 878 896 931 992 1024 1064 1178 1216 1442 1519 1568 1648 1736 1756 1792 1862 1957 1984 2048 2128 2356 2432 2884 3038 3073 3136 3193 3296 3472 3512 3584 3724 3914 3968 4096 4123 4256 4712 4864 5047 5768 6076 6146 6272 6386 6592 6944 7024 7168 7448 7828 7936 8192 8246 8341 8512 9424 9728 10094 11536 12152 12292 12544 12772 13184 13609 13699 13888 14048 14336 14896 15656 15872 16384 16492 16682 17024 18848 19456 20188 21511 22351 23072 24304 24584 25088 25544 26368 27218 27398 27776 28096 28672 28861 29792 31312 31744 32984 33364 34048 37696 38912 40376 43022 44702 45217 46144 48608 49168 50176 51088 52736 54436 54796 55552 56192 57344 57722 58387 59584 60667 62624 63488 65968 66728 68096 75392 77824 80752 86044 89404 90434 92288 95263 95893 97216 98336 100352 102176 105472 108872 109592 111104 112384 114688 115444 116774 119168 121334 125248 126976 131936 133456 136192 150784 155648 156457 161504 172088 178808 180868 184576 190526 191786 194432 196672 200704 204352 210944 217744 219184 222208 224768 230888 233548 238336 242668 250496 253952 258571 263872 266912 272384 301568 311296 312914 316519 323008 344176 357616 361736 369152 381052 383572 388864 393344 401408 408704 408709 421888 424669 435488 438368 444416 449536 461776 467096 476672 485336 500992 507904 517142 527744 533824 544768 603136 625828 633038 646016 666841 688352 715232 723472 738304 762104 767144 777728 786688 802816 817408 817418 843776 849338 859123 870976 876736 888832 899072 923552 934192 953344 970672 1001984 1034284 1055488 1067648 1089536 1206272 1251656 1266076 1292032 1333682 1376704 1401727 1430464 1446944 1476608 1524208 1534288 1555456 1573376 1634816 1634836 1687552 1698676 1718246 1741952 1753472 1777664 1798144 1809997 1847104 1868384 1906688 1941344 2003968 2068568 2110976 2135296 2179072 2215633 2412544 2503312 2532152 2584064 2667364 2753408 2803454 2860928 2893888 2953216 2972683 3048416 3068576 3110912 3146752 3269632 3269672 3397352 3436492 3483904 3506944 3555328 3596288 3619994 3694208 3736768 3813376 3882688 4007936 4137136 4221952 4270592 4431266 4825088 5006624 5064304 5168128 5334728 5506816 5606908 5721856 5787776 5906432 5945366 6013861 6096832 6137152 6221824 6293504 6539264 6539344 6794704 6872984 6967808 7013888 7192576 7239988 7388416 7473536 7626752 7765376 8015872 8274272 8443904 8541184 8862532 9650176 9812089 10013248 10128608 10336256 10669456 11013632 11213816 11443712 11575552 11812864 11890732 12027722 12193664 12274304 12443648 12587008 12669979 13078528 13078688 13589408 13745968 13935616 14027776 14479976 14776832 14947072 15253504 15530752 16031744 16548544 16887808 17082368 17725064 19624178 20026496 20257216 20672512 21338912 22027264 22427632 22887424 23151104 23781464 24055444 24387328 24548608 24887296 25174016 25339958 26157056 26157376 26632813 27178816 27491936 27871232 28055552 28959952 29553664 29894144 31061504 32063488 33097088 33775616 34164736 35450128 39248356 40052992 40514432 41345024 42097027 42677824 44054528 44855264 45774848 46302208 47562928 48110888 48774656 49097216 50348032 50679916 52314112 52314752 53265626 54357632 54983872 55742464 56111104 57919904 59107328 59788288 62123008 66194176 67551232 68329472 68684623 70900256 78496712 80105984 81028864 82690048 84194054 85355648 88109056 89710528 91549696 92604416 95125856 96221776 97549312 98194432 101359832 104629504 106531252 108715264 109967744 111484928 112222208 115839808 118214656 119576576 124246016 132388352 136658944 137369246 141800512 156993424 160211968 162057728 168388108 170711296 176218112 179421056 183099392 185208832 186429691 190251712 192443552 195098624 196388864 202719664 209259008 213062504 217430528 219935488 222969856 224444416 231679616 236429312 239153152 248492032 264776704 274738492 283601024 313986848 320423936 324115456 336776216 341422592 352436224 358842112 366198784 370417664 372859382 380503424 384887104 390197248 392777728 405439328 418518016 426125008 434861056 439870976 463359232 472858624 478306304 496984064 529553408 549476984 567202048 627973696 640847872 648230912 673552432 682845184 717684224 740835328 745718764 761006848 769774208 780394496 785555456 810878656 837036032 852250016 869722112 879741952 926718464 956612608 993968128 1059106816 1098953968 1134404096 1255947392 1281695744 1296461824 1305007837 1347104864 1365690368 1435368448 1491437528 1522013696 1539548416 1560788992 1571110912 1621757312 1674072064 1704500032 1739444224 1759483904 1853436928 2118213632 2197907936 2268808192 2511894784 2563391488 2592923648 2610015674 2694209728 2731380736 2870736896 2982875056 3044027392 3079096832 3243514624 3348144128 3409000064 3478888448 3518967808 3706873856 4236427264 4395815872 4537616384 5023789568 5185847296 5220031348 5388419456 5462761472 5741473792 5965750112 6088054784 6158193664 6487029248 6696288256 6818000128 6957776896 7037935616 7413747712 8791631744 9075232768 10047579136 10440062696 10776838912 10925522944 11482947584 11931500224 12176109568 12316387328 12974058496 13636000256 14075871232 14827495424 17583263488 18150465536 20095158272 20880125392 21553677824 22965895168 23863000448 24352219136 24632774656 25948116992 27272000512 29654990848 35166526976 36300931072 40190316544 41760250784 43107355648 47726000896 48704438272 49265549312 51896233984 54544001024 70333053952 80380633088 83520501568 86214711296 95452001792 98531098624 103792467968 109088002048 140666107904 160761266176 167041003136 172429422592 190904003584 207584935936 218176004096 281332215808 334082006272 344858845184 381808007168 436352008192 562664431616 668164012544 689717690368 763616014336 1125328863232 1336328025088 1527232028672 2672656050176 3054464057344 5345312100352 10690624200704 21381248401408
• Sum of all divisors σ(n): 54698765721600
• Sum of proper divisors (its aliquot sum) s(n): 33317517320192
• 21381248401408 is an abundant number, because the sum of its proper divisors (33317517320192) is greater than itself. Its abundance is 11936268918784

Bases of 21381248401408

• Binary: 100110111001000110101101101110100000000000000₂
• Hexadecimal: 0x137235B74000
• Base-36: 7KUER90XS

Squares and roots of 21381248401408

• 21381248401408 squared (21381248401408²) is 457157783202712155496382464
• 21381248401408 cubed (21381248401408³) is 9774604121294214309116997479126964109312
• The square root of 21381248401408 is 4623986.2025538095
• The cube root of 21381248401408 is 27755.1994808373

Scales and comparisons

• 21,381,248,401,408 seconds is equal to 679,857 years, 29 weeks, 1 day, 19 hours, 3 minutes, 28 seconds.
• To count from 1 to 21,381,248,401,408 would take you about one million, six hundred ninety-nine thousand, six hundred forty-three 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 21381248401408 cubic inches would be around 2312.9 feet tall.

Recreational maths with 21381248401408

• 21381248401408 backwards is 80410484218312
• The number of decimal digits it has is: 14
• The sum of 21381248401408's digits is 46
• More coming soon!