12387986501644

Names of 12387986501644

• Cardinal: 12387986501644 can be written as Twelve trillion, three hundred eighty-seven billion, nine hundred eighty-six million, five hundred one thousand, six hundred forty-four.

Scientific notation

• Scientific notation: 1.2387986501644 × 10¹³

Factors of 12387986501644

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 268

Divisors of 12387986501644

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 13 17 26 34 52 68 73 146 163 169 221 289 292 326 338 442 578 652 676 884 949 1156 1241 1898 2119 2482 2771 2873 3757 3796 4238 4964 5329 5542 5746 7514 8476 10658 11084 11492 11899 12337 15028 16133 21097 21316 23798 24674 27547 32266 36023 42194 47107 47596 48841 49348 55094 64532 69277 72046 84388 90593 94214 97682 110188 138554 144092 154687 181186 188428 195364 202283 209729 274261 277108 309374 362372 389017 404566 419458 468299 548522 612391 618748 778034 809132 838916 868627 900601 936598 1097044 1177709 1224782 1540081 1556068 1737254 1801202 1873196 2010931 2355418 2449564 2629679 3080162 3438811 3474508 3565393 3602404 4021862 4710836 5057221 5259358 6160324 6613289 6877622 7130786 7961083 8043724 10114442 10518716 11292151 13226578 13755244 14261572 14766659 15310217 15922166 20021053 20228884 22584302 26453156 29533318 30620434 31844332 34185827 40042106 44704543 45168604 59066636 61240868 63409771 65743873 68371654 80084212 85972757 89409086 112425913 126819542 131487746 136743308 146797963 171945514 178818172 191966567 224851826 251033203 253639084 260273689 262975492 293595926 343891028 383933134 449703652 502066406 520547378 581159059 587191852 767866268 824327023 1004132812 1041094756 1077966107 1117645841 1162318118 1461536869 1648654046 2155932214 2235291682 2324636236 2495565371 2923073738 3263431639 3297308092 4311864428 4470583364 4991130742 5846147476 6526863278 9982261484 10716251299 13053726556 14013559391 18325423819 18999979297 21432502598 28027118782 36650847638 37999958594 42424611307 42865005196 56054237564 73301695276 75999917188 84849222614 169698445228 182176272083 238230509647 364352544166 476461019294 728705088332 952922038588 3096996625411 6193993250822 12387986501644
• Sum of all divisors σ(n): 25438428702960
• Sum of proper divisors (its aliquot sum) s(n): 13050442201316
• 12387986501644 is an abundant number, because the sum of its proper divisors (13050442201316) is greater than itself. Its abundance is 662455699672

Bases of 12387986501644

• Binary: 10110100010001001101100010001111000000001100₂
• Hexadecimal: 0xB444D88F00C
• Base-36: 4E2YNBBWS

Squares and roots of 12387986501644

• 12387986501644 squared (12387986501644²) is 153462209564913949614702736
• 12387986501644 cubed (12387986501644³) is 1901087780602616754013336228247635297984
• The square root of 12387986501644 is 3519657.1568327503
• The cube root of 12387986501644 is 23138.4133150153

Scales and comparisons

• 12,387,986,501,644 seconds is equal to 393,899 years, 33 weeks, 6 days, 9 hours, 34 minutes, 4 seconds.
• To count from 1 to 12,387,986,501,644 would take you about nine hundred eighty-four thousand, seven hundred forty-nine 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 12387986501644 cubic inches would be around 1928.2 feet tall.

Recreational maths with 12387986501644

• 12387986501644 backwards is 44610568978321
• The number of decimal digits it has is: 14
• The sum of 12387986501644's digits is 64
• More coming soon!