1978402508431420

Names of 1978402508431420

• Cardinal: 1978402508431420 can be written as One quadrillion, nine hundred seventy-eight trillion, four hundred two billion, five hundred eight million, four hundred thirty-one thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.97840250843142 × 10¹⁵

Factors of 1978402508431420

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2109

Divisors of 1978402508431420

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 10 19 20 38 76 79 95 158 190 281 316 380 395 562 790 1124 1405 1501 1580 1723 2810 3002 3446 5339 5620 6004 6241 6892 7505 8615 10678 12482 15010 17230 21356 22199 24964 26695 30020 31205 32737 34460 44398 53390 62410 65474 88796 106780 110995 118579 124820 130948 136117 163685 221990 237158 272234 327370 421781 443980 474316 484163 544468 592895 654740 680585 843562 968326 1185790 1361170 1687124 1753721 1936652 2108905 2371580 2420815 2586223 2722340 2968729 3507442 4217810 4841630 5172446 5937458 7014884 8435620 8768605 9199097 9683260 10344892 10753243 11874916 12931115 14843645 17537210 18398194 21506486 25862230 29687290 33320699 35074420 36796388 38248877 43012972 45995485 51724460 53766215 56405851 59374580 66641398 76497754 91990970 107532430 112811702 133282796 152995508 166603495 183981940 191244385 204311617 215064860 225623404 234529591 282029255 333206990 382488770 408623234 469059182 564058510 666413980 726728663 764977540 817246468 834212849 938118364 1021558085 1128117020 1172647955 1453457326 1668425698 2043116170 2345295910 2906914652 3021661283 3336851396 3633643315 4086232340 4171064245 4456062229 4690591820 6043322566 7267286630 8342128490 8912124458 12086645132 14534573260 15108306415 15850044131 16684256980 17824248916 18527837689 22280311145 30216612830 31700088262 37055675378 44560622290 57411564377 60433225660 63400176524 65902815071 74111350756 79250220655 89121244580 92639188445 114823128754 131805630142 158500441310 185278376890 229646257508 263611260284 287057821885 317000882620 329514075355 352028916091 370556753780 574115643770 659028150710 704057832182 1148231287540 1252153486349 1318056301420 1408115664364 1760144580455 2504306972698 3520289160910 5008613945396 5206322390609 6260767431745 7040578321820 10412644781218 12521534863490 20825289562436 25043069726980 26031611953045 52063223906090 98920125421571 104126447812180 197840250843142 395680501686284 494600627107855 989201254215710 1978402508431420
• Sum of all divisors σ(n): 4447714170871440
• Sum of proper divisors (its aliquot sum) s(n): 2469311662440020
• 1978402508431420 is an abundant number, because the sum of its proper divisors (2469311662440020) is greater than itself. Its abundance is 490909154008600

Bases of 1978402508431420

• Binary: 111000001110101100010111010101111001110000000111100₂
• Hexadecimal: 0x70758BABCE03C
• Base-36: JHA9KCOIM4

Squares and roots of 1978402508431420

• 1978402508431420 squared (1978402508431420²) is 3914076485367734884188843216400
• 1978402508431420 cubed (1978402508431420³) is 7743618736843962874475645148681297471619288000
• The square root of 1978402508431420 is 44479236.8238419757
• The cube root of 1978402508431420 is 125536.9437420299

Scales and comparisons

• 1,978,402,508,431,420 seconds is equal to 62,907,080 years, 8 weeks, 4 days, 22 hours, 3 minutes, 40 seconds.
• To count from 1 to 1,978,402,508,431,420 would take you about one hundred eighty-eight million, seven hundred twenty-one thousand, two hundred forty 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 1978402508431420 cubic inches would be around 10461.4 feet tall.

Recreational maths with 1978402508431420

• 1978402508431420 backwards is 0241348052048791
• The number of decimal digits it has is: 16
• The sum of 1978402508431420's digits is 58
• More coming soon!