20512815677440

Names of 20512815677440

• Cardinal: 20512815677440 can be written as Twenty trillion, five hundred twelve billion, eight hundred fifteen million, six hundred seventy-seven thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.051281567744 × 10¹³

Factors of 20512815677440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 194

Divisors of 20512815677440

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 4 5 8 10 16 17 19 20 32 34 38 40 64 68 76 80 85 95 128 136 151 152 160 170 190 256 272 289 302 304 320 323 340 380 512 544 578 604 608 640 646 680 755 760 1024 1088 1156 1208 1216 1280 1292 1360 1445 1510 1520 1615 2048 2176 2312 2416 2432 2560 2567 2584 2720 2869 2890 3020 3040 3230 4096 4352 4624 4832 4864 5120 5134 5168 5440 5491 5738 5780 6040 6080 6460 8192 8704 9248 9664 9728 10240 10268 10336 10880 10982 11476 11560 12080 12160 12835 12920 14345 16384 17408 18496 19328 19456 20480 20536 20672 21760 21964 22801 22952 23120 24160 24320 25670 25840 27455 28690 32768 34816 36992 38656 38912 40960 41072 41344 43520 43639 43928 45602 45904 46240 48320 48640 48773 51340 51680 54910 57380 69632 73984 77312 77824 81920 82144 82688 87040 87278 87856 91204 91808 92480 96640 97280 97546 102680 103360 109820 114005 114760 139264 147968 154624 155648 163840 164288 165376 174080 174556 175712 182408 183616 184960 193280 194560 195092 205360 206720 218195 219640 228010 229520 243865 278528 295936 309248 311296 328576 330752 348160 349112 351424 364816 367232 369920 386560 387617 389120 390184 410720 413440 433219 436390 439280 456020 459040 487730 557056 591872 618496 622592 657152 661504 696320 698224 702848 729632 734464 739840 773120 775234 778240 780368 821440 826880 829141 866438 872780 878560 912040 918080 975460 1183744 1236992 1314304 1323008 1392640 1396448 1405696 1459264 1468928 1479680 1546240 1550468 1556480 1560736 1642880 1653760 1658282 1732876 1745560 1757120 1824080 1836160 1938085 1950920 2166095 2367488 2473984 2628608 2646016 2785280 2792896 2811392 2918528 2937856 2959360 3092480 3100936 3112960 3121472 3285760 3307520 3316564 3465752 3491120 3514240 3648160 3672320 3876170 3901840 4145705 4332190 4734976 4947968 5257216 5292032 5585792 5622784 5837056 5875712 5918720 6184960 6201872 6242944 6571520 6589489 6615040 6633128 6931504 6982240 7028480 7296320 7344640 7364723 7752340 7803680 8291410 8664380 9469952 10514432 10584064 11171584 11245568 11674112 11751424 11837440 12369920 12403744 12485888 13143040 13178978 13230080 13266256 13863008 13964480 14056960 14592640 14689280 14729446 15504680 15607360 16582820 17328760 21028864 22343168 22491136 23348224 23502848 23674880 24739840 24807488 24971776 26286080 26357956 26460160 26532512 27726016 27928960 28113920 29185280 29378560 29458892 31009360 31214720 32947445 33165640 34657520 36823615 42057728 44686336 44982272 46696448 47005696 47349760 49614976 49943552 52572160 52715912 52920320 53065024 55452032 55857920 56227840 58370560 58757120 58917784 62018720 62429440 65894890 66331280 69315040 73647230 84115456 89372672 89964544 93392896 94011392 99229952 99887104 105144320 105431824 106130048 110904064 111715840 112455680 116741120 117514240 117835568 124037440 124858880 125200291 131789780 132662560 138630080 147294460 178745344 179929088 186785792 198459904 199774208 210288640 210863648 212260096 221808128 223431680 224911360 233482240 235028480 235671136 248074880 249717760 250400582 263579560 265325120 277260160 294588920 357490688 373571584 396919808 399548416 420577280 421727296 424520192 443616256 446863360 449822720 466964480 470056960 471342272 496149760 499435520 500801164 527159120 530650240 554520320 589177840 626001455 714981376 747143168 793839616 799096832 843454592 849040384 887232512 893726720 899645440 933928960 942684544 992299520 998871040 1001602328 1054318240 1061300480 1109040640 1178355680 1252002910 1429962752 1587679232 1598193664 1686909184 1698080768 1774465024 1787453440 1867857920 1885369088 1984599040 1997742080 2003204656 2108636480 2122600960 2218081280 2356711360 2504005820 3175358464 3373818368 3396161536 3548930048 3574906880 3735715840 3770738176 3969198080 3995484160 4006409312 4217272960 4245201920 4436162560 4713422720 5008011640 6350716928 6747636736 6792323072 7097860096 7149813760 7541476352 7938396160 7990968320 8012818624 8434545920 8490403840 8872325120 9426845440 10016023280 12701433856 13495273472 13584646144 14195720192 15082952704 15876792320 16025637248 16869091840 16980807680 17744650240 18853690880 20032046560 26990546944 27169292288 30165905408 31753584640 32051274496 33738183680 33961615360 35489300480 37707381760 40064093120 53981093888 60331810816 63507169280 64102548992 67476367360 67923230720 70978600960 75414763520 80128186240 107962187776 120663621632 128205097984 134952734720 135846461440 150829527040 160256372480 215924375552 241327243264 256410195968 269905469440 301659054080 320512744960 512820391936 539810938880 603318108160 641025489920 1025640783872 1079621877760 1206636216320 1282050979840 2051281567744 2564101959680 4102563135488 5128203919360 10256407838720 20512815677440
• Sum of all divisors σ(n): 55415643658200
• Sum of proper divisors (its aliquot sum) s(n): 34902827980760
• 20512815677440 is an abundant number, because the sum of its proper divisors (34902827980760) is greater than itself. Its abundance is 14390012303320

Bases of 20512815677440

• Binary: 100101010100000000011000101111000000000000000₂
• Hexadecimal: 0x12A803178000
• Base-36: 79RGGTUKG

Squares and roots of 20512815677440

• 20512815677440 squared (20512815677440²) is 420775607016628246124953600
• 20512815677440 cubed (20512815677440³) is 8631292468295024353880279135272566784000
• The square root of 20512815677440 is 4529107.6027667969
• The cube root of 20512815677440 is 27374.2203746205

Scales and comparisons

• 20,512,815,677,440 seconds is equal to 652,244 years, 4 weeks, 4 days, 2 hours, 50 minutes, 40 seconds.
• To count from 1 to 20,512,815,677,440 would take you about one million, six hundred thirty thousand, six hundred ten 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 20512815677440 cubic inches would be around 2281.2 feet tall.

Recreational maths with 20512815677440

• 20512815677440 backwards is 04477651821502
• The number of decimal digits it has is: 14
• The sum of 20512815677440's digits is 52
• More coming soon!