221493855384864

Names of 221493855384864

• Cardinal: 221493855384864 can be written as Two hundred twenty-one trillion, four hundred ninety-three billion, eight hundred fifty-five million, three hundred eighty-four thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 2.21493855384864 × 10¹⁴

Factors of 221493855384864

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 81457

Divisors of 221493855384864

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 71 72 79 96 142 144 158 213 237 284 288 316 426 474 568 632 639 711 852 948 1136 1264 1278 1422 1704 1723 1896 2272 2528 2556 2844 3408 3446 3792 5112 5169 5609 5688 6816 6892 7584 10224 10338 11218 11376 13784 15507 16827 20448 20676 22436 22752 27568 31014 33654 41352 44872 50481 55136 62028 67308 79579 82704 89744 100962 122333 124056 134616 136117 159158 165408 179488 201924 238737 244666 248112 269232 272234 318316 366999 403848 408351 477474 489332 496224 538464 544468 636632 716211 733998 807696 816702 954948 978664 1088936 1100997 1225053 1273264 1432422 1467996 1615392 1633404 1909896 1957328 2177872 2201994 2450106 2546528 2864844 2935992 3266808 3819792 3914656 4355744 4403988 4900212 5650109 5729688 5871984 6286741 6533616 7639584 8807976 9664307 9800424 11300218 11459376 11743968 12573482 13067232 16950327 17615952 18860223 19328614 19600848 22600436 22918752 25146964 28992921 33900654 35231904 37720446 38657228 39201696 45200872 50293928 50850981 56580669 57985842 67801308 75440892 77314456 86978763 90401744 100587856 101701962 113161338 115971684 135602616 137114617 150881784 154628912 173957526 180803488 201175712 203403924 226322676 231943368 271205232 274229234 301763568 309257824 347915052 406807848 411343851 446358611 452645352 463886736 542410464 548458468 603527136 695830104 813615696 822687702 892717222 905290704 927773472 1096916936 1234031553 1339075833 1391660208 1627231392 1645375404 1785434444 1810581408 2193833872 2468063106 2678151666 2783320416 3290750808 3570868888 4017227499 4387667744 4936126212 5356303332 6581501616 7141737776 8034454998 9735137807 9872252424 10712606664 10832054743 13163003232 14283475552 16068909996 19470275614 19744504848 21425213328 21664109486 29205413421 32137819992 32496164229 38940551228 39489009696 42850426656 43328218972 58410826842 64275639984 64992328458 77881102456 86656437944 87616240263 97488492687 116821653684 128551279968 129984656916 155762204912 173312875888 175232480526 194976985374 233643307368 259969313832 311524409824 346625751776 350464961052 389953970748 467286614736 519938627664 700929922104 769075886753 779907941496 934573229472 1039877255328 1401859844208 1538151773506 1559815882992 2307227660259 2803719688416 3076303547012 3119631765984 4614455320518 6152607094024 6921682980777 9228910641036 12305214188048 13843365961554 18457821282072 24610428376096 27686731923108 36915642564144 55373463846216 73831285128288 110746927692432 221493855384864
• Sum of all divisors σ(n): 647213520844800
• Sum of proper divisors (its aliquot sum) s(n): 425719665459936
• 221493855384864 is an abundant number, because the sum of its proper divisors (425719665459936) is greater than itself. Its abundance is 204225810075072

Bases of 221493855384864

• Binary: 110010010111001010001110100100011111010100100000₂
• Hexadecimal: 0xC9728E91F520
• Base-36: 26IGVEOZS0

Squares and roots of 221493855384864

• 221493855384864 squared (221493855384864²) is 49059527973251047169560298496
• 221493855384864 cubed (221493855384864³) is 10866383994156957494270040186695396800364544
• The square root of 221493855384864 is 14882669.6323228247
• The cube root of 221493855384864 is 60504.4374756575

Scales and comparisons

• 221,493,855,384,864 seconds is equal to 7,042,819 years, 24 weeks, 5 days, 4 hours, 14 minutes, 24 seconds.
• To count from 1 to 221,493,855,384,864 would take you about seventeen million, six hundred seven thousand and forty-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 221493855384864 cubic inches would be around 5042 feet tall.

Recreational maths with 221493855384864

• 221493855384864 backwards is 468483558394122
• 221493855384864 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 221493855384864's digits is 72
• More coming soon!