21984384492

Names of 21984384492

• Cardinal: 21984384492 can be written as Twenty-one billion, nine hundred eighty-four million, three hundred eighty-four thousand, four hundred ninety-two.

Scientific notation

• Scientific notation: 2.1984384492 × 10¹⁰

Factors of 21984384492

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 133

Divisors of 21984384492

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 19 21 23 28 36 38 42 46 49 57 63 69 76 79 84 92 98 114 126 133 138 147 158 161 171 196 207 228 237 252 266 276 294 316 322 342 361 399 414 437 441 474 483 532 553 588 644 684 711 722 798 828 874 882 931 948 966 1083 1106 1127 1197 1311 1422 1444 1449 1501 1596 1659 1748 1764 1817 1862 1932 2166 2212 2254 2394 2527 2622 2793 2844 2898 3002 3059 3249 3318 3381 3634 3724 3871 3933 4332 4503 4508 4788 4977 5054 5244 5451 5586 5796 6004 6118 6498 6636 6762 6859 7268 7581 7742 7866 8303 8379 9006 9177 9954 10108 10143 10507 10902 11172 11613 12236 12719 12996 13509 13524 13718 15162 15484 15732 16353 16606 16758 17689 18012 18354 19908 20286 20577 21014 21413 21804 22743 23226 24909 25438 27018 27436 27531 28519 30324 31521 32706 33212 33516 34523 34839 35378 36708 38157 40572 41154 42028 42826 45486 46452 48013 49818 50876 53067 54036 55062 57038 58121 61731 63042 64239 65412 69046 69678 70756 73549 74727 76314 82308 85557 85652 89033 90972 94563 96026 99636 103569 106134 110124 114076 114471 116242 123462 126084 128478 138092 139356 144039 147098 149454 152628 157757 159201 171114 174363 178066 189126 192052 192717 199633 207138 212268 220647 228942 232484 241661 246924 256671 256956 267099 288078 294196 298908 310707 315514 318402 336091 342228 348726 356132 378252 385434 399266 406847 414276 432117 441294 457884 473271 483322 513342 523089 534198 541861 576156 598899 621414 631028 636804 655937 661941 672182 697452 724983 770868 798532 801297 813694 864234 882588 946542 966644 1008273 1026684 1046178 1068396 1083722 1104299 1197798 1220541 1242828 1311874 1323882 1344364 1397431 1419813 1449966 1602594 1625583 1627388 1691627 1728468 1796697 1893084 1967811 2016546 2092356 2167444 2174949 2208598 2395596 2441082 2623748 2647764 2794862 2839626 2899932 3024819 3205188 3251166 3312897 3383254 3593394 3661623 3793027 3935622 4033092 4192293 4349898 4417196 4591559 4876749 4882164 5074881 5589724 5679252 5903433 6049638 6502332 6625794 6766508 7186788 7323246 7586054 7730093 7871244 8384586 8699796 9183118 9753498 9938691 10149762 11379081 11806866 12099276 12462803 12576879 13251588 13774677 14646492 15172108 15224643 15460186 16769172 18366236 19506996 19877382 20299524 22758162 23190279 23613732 24925606 25153758 26551189 27549354 30449286 30920372 32140913 34137243 37388409 39754764 41324031 45516324 46380558 49851212 50307516 53102378 55098708 60898572 64281826 68274486 69570837 74776818 79653567 82648062 87239621 92761116 96422739 106204756 112165227 128563652 136548972 139141674 149553636 159307134 165296124 174479242 192845478 224330454 238960701 261718863 278283348 289268217 318614268 348958484 385690956 448660908 477921402 523437726 578536434 610677347 785156589 955842804 1046875452 1157072868 1221354694 1570313178 1832032041 2442709388 3140626356 3664064082 5496096123 7328128164 10992192246 21984384492
• Sum of all divisors σ(n): 72103449600
• Sum of proper divisors (its aliquot sum) s(n): 50119065108
• 21984384492 is an abundant number, because the sum of its proper divisors (50119065108) is greater than itself. Its abundance is 28134680616

Bases of 21984384492

• Binary: 10100011110010111110001010111101100₂
• Hexadecimal: 0x51E5F15EC
• Base-36: A3KXNN0

Squares and roots of 21984384492

• 21984384492 squared (21984384492²) is 483313161492090098064
• 21984384492 cubed (21984384492³) is 10625342372286197132544960823488
• The square root of 21984384492 is 148271.3205309779
• The cube root of 21984384492 is 2801.3762151387

Scales and comparisons

• 21,984,384,492 seconds is equal to 699 years, 1 week, 5 days, 21 hours, 28 minutes, 12 seconds.
• To count from 1 to 21,984,384,492 would take you about one thousand, three 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 21984384492 cubic inches would be around 233.4 feet tall.

Recreational maths with 21984384492

• 21984384492 backwards is 29448348912
• The number of decimal digits it has is: 11
• The sum of 21984384492's digits is 54
• More coming soon!