642478920055000

Names of 642478920055000

• Cardinal: 642478920055000 can be written as Six hundred forty-two trillion, four hundred seventy-eight billion, nine hundred twenty million, fifty-five thousand.

Scientific notation

• Scientific notation: 6.42478920055 × 10¹⁴

Factors of 642478920055000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 211

Divisors of 642478920055000

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 25 28 35 40 49 50 56 70 98 100 125 140 175 196 197 200 245 250 280 343 350 392 394 490 500 625 686 700 788 875 980 985 1000 1225 1250 1372 1379 1400 1576 1715 1750 1960 1970 2401 2450 2500 2744 2758 3430 3500 3940 4375 4802 4900 4925 5000 5516 6125 6860 6895 7000 7880 8575 8750 9604 9653 9800 9850 11032 12005 12250 13720 13790 16807 17150 17500 19208 19306 19700 24010 24500 24625 27580 30625 33614 34300 34475 35000 38612 38809 39400 42875 48020 48265 49000 49250 55160 60025 61250 67228 67571 68600 68950 77224 77618 84035 85750 96040 96530 98500 120050 122500 123125 134456 135142 137900 155236 168070 171500 172375 193060 194045 197000 214375 240100 241325 245000 246250 270284 271663 275800 300125 310472 336140 337855 343000 344750 386120 388090 420175 428750 472997 480200 482650 492500 540568 543326 600250 672280 675710 689500 776180 840350 857500 861875 945994 965300 970225 985000 1086652 1200500 1206625 1351420 1358315 1379000 1500625 1552360 1680700 1689275 1715000 1723750 1891988 1901641 1930600 1940450 2100875 2173304 2364985 2401000 2413250 2702840 2716630 3001250 3310979 3361400 3378550 3447500 3783976 3803282 3880900 4201750 4729970 4826500 4851125 5433260 6002500 6033125 6621958 6757100 6791575 6895000 7606564 7645373 7761800 8403500 8446375 9459940 9508205 9653000 9702250 10504375 10866520 11824925 12005000 12066250 13243916 13311487 13514200 13583150 15213128 15290746 16554895 16807000 16892750 18919880 19016410 19404500 21008750 23649850 24132500 24255625 26487832 26622974 27166300 30581492 33109790 33785500 33957875 38032820 38226865 38809000 42017500 42231875 47299700 47541025 48265000 48511250 53245948 53517611 54332600 59124625 61162984 66219580 66557435 67571000 67915750 76065640 76453730 82774475 84035000 84463750 93180409 94599400 95082050 97022500 106491896 107035222 118249250 132439160 133114870 135831500 152907460 165548950 168927500 169789375 186360818 190164100 191134325 194045000 214070444 236498500 237705125 266229740 267588055 271663000 295623125 305814920 331097900 332787175 337855000 339578750 372721636 374623277 380328200 382268650 413872375 428140888 465902045 472997000 475410250 532459480 535176110 591246250 652262863 662195800 665574350 679157500 745443272 749246554 764537300 827744750 931804090 950820500 955671625 1070352220 1182492500 1188525625 1304525726 1331148700 1337940275 1358315000 1498493108 1529074600 1655489500 1663935875 1863608180 1873116385 1901641000 1911343250 2069361875 2140704440 2329510225 2364985000 2377051250 2609051452 2622362939 2662297400 2675880550 2996986216 3261314315 3310979000 3327871750 3727216360 3746232770 3822686500 4138723750 4659020450 4754102500 4778358125 5218102904 5244725878 5351761100 6522628630 6655743500 6689701375 7492465540 7645373000 8277447500 8319679375 9318040900 9365581925 9508205000 9556716250 10489451756 10703522200 11647551125 13045257260 13111814695 13311487000 13379402750 14984931080 16306571575 16554895000 16639358750 18356540573 18636081800 18731163850 19113432500 20978903512 23295102250 26090514520 26223629390 26758805500 32613143150 33278717500 33448506875 36713081146 37462327700 38226865000 46590204500 46827909625 52447258780 53517611000 58237755625 65226286300 65559073475 66557435000 66897013750 73426162292 74924655400 81532857875 91782702865 93180409000 93655819250 104894517560 116475511250 128495784011 130452572600 131118146950 133794027500 146852324584 163065715750 183565405730 187311638500 232951022500 234139548125 256991568022 262236293900 267588055000 326131431500 327795367375 367130811460 374623277000 407664289375 458913514325 465902045000 468279096250 513983136044 524472587800 642478920055 652262863000 655590734750 734261622920 815328578750 917827028650 936558192500 1027966272088 1284957840110 1311181469500 1630657157500 1638976836875 1835654057300 1873116385000 2294567571625 2569915680220 2622362939000 3212394600275 3261314315000 3277953673750 3671308114600 4589135143250 5139831360440 6424789200550 6555907347500 9178270286500 11472837858125 12849578401100 13111814695000 16061973001375 18356540573000 22945675716250 25699156802200 32123946002750 45891351432500 64247892005500 80309865006875 91782702865000 128495784011000 160619730013750 321239460027500 642478920055000
• Sum of all divisors σ(n): 1765161409413600
• Sum of proper divisors (its aliquot sum) s(n): 1122682489358600
• 642478920055000 is an abundant number, because the sum of its proper divisors (1122682489358600) is greater than itself. Its abundance is 480203569303600

Bases of 642478920055000

• Binary: 10010010000101010011000111110011100011100011011000₂
• Hexadecimal: 0x24854C7CE38D8
• Base-36: 6BQMQOOPUG

Squares and roots of 642478920055000

• 642478920055000 squared (642478920055000²) is 412779162715039081203025000000
• 642478920055000 cubed (642478920055000³) is 265201910682365430598438952199166375000000000
• The square root of 642478920055000 is 25347167.8902200039
• The cube root of 642478920055000 is 86288.5082428715

Scales and comparisons

• 642,478,920,055,000 seconds is equal to 20,428,842 years, 17 weeks, 4 days, 17 hours, 56 minutes, 40 seconds.
• To count from 1 to 642,478,920,055,000 would take you about fifty-one million, seventy-two thousand, one hundred five 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 642478920055000 cubic inches would be around 7190.7 feet tall.

Recreational maths with 642478920055000

• 642478920055000 backwards is 000550029874246
• The number of decimal digits it has is: 15
• The sum of 642478920055000's digits is 52
• More coming soon!