1978961378394

Names of 1978961378394

• Cardinal: 1978961378394 can be written as One trillion, nine hundred seventy-eight billion, nine hundred sixty-one million, three hundred seventy-eight thousand, three hundred ninety-four.

Scientific notation

• Scientific notation: 1.978961378394 × 10¹²

Factors of 1978961378394

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 109

Divisors of 1978961378394

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 6 7 11 13 14 21 22 26 33 39 42 49 66 73 77 78 91 98 121 143 146 147 154 182 219 231 242 273 286 294 363 429 438 462 511 539 546 637 726 803 847 858 949 1001 1022 1078 1274 1331 1533 1573 1606 1617 1694 1898 1911 2002 2409 2541 2662 2847 3003 3066 3146 3234 3577 3822 3993 4719 4818 5082 5329 5621 5694 5929 6006 6643 7007 7154 7986 8833 9317 9438 10439 10658 10731 11011 11242 11858 13286 14014 15987 16863 17303 17666 17787 18634 19929 20878 21021 21462 22022 26499 27951 31317 31974 33033 33726 34606 35574 37303 39347 39858 42042 46501 51909 52998 55902 58619 61831 62634 65219 66066 69277 73073 74606 77077 78694 93002 97163 103818 111909 114829 117238 118041 121121 123662 130438 138554 139503 146146 154154 175857 185493 194326 195657 207831 219219 223818 229658 231231 236082 242242 261121 279006 291489 344487 351714 363363 370986 389017 391314 410333 415662 432817 438438 462462 484939 511511 522242 582978 644809 680141 688974 726726 762047 778034 783363 803803 820666 847847 865634 969878 1023022 1167051 1230999 1263119 1289618 1298451 1360282 1454817 1524094 1534533 1566726 1607606 1695694 1934427 2040423 2286141 2334102 2411409 2461998 2526238 2543541 2596902 2723119 2872331 2909634 3069066 3394573 3789357 3868854 4080846 4279187 4513663 4572282 4760987 4822818 5057221 5087082 5334329 5446238 5626621 5744662 6789146 7092899 7578714 8169357 8382517 8558374 8616993 8841833 9027326 9521974 10114442 10183719 10668658 11253242 12837561 13540989 14185798 14282961 15171663 16002987 16338714 16765034 16879863 17233986 17683666 19061833 20367438 21278697 25147551 25675122 26525499 27081978 28565922 29954309 30343326 31595641 32005974 33759726 35400547 37340303 38123666 42557394 47071057 49650293 50295102 53050998 55629431 57185499 58677619 59908618 61892831 63191282 70801094 74680606 89862927 92207687 94142114 94786923 99300586 106201641 111258862 112020909 114370998 117355238 123785662 141213171 148950879 166888293 176032857 179725854 184415374 185678493 189573846 209680163 212403282 224041818 247803829 276623061 282426342 297901758 329497399 333776586 347552051 352065714 371356986 389406017 410743333 419360326 495607658 517781627 553246122 611923741 629040489 645453809 658994798 695104102 743411487 778812034 821486666 988492197 1035563254 1042656153 1168218051 1223847482 1232229999 1258080978 1290907618 1486822974 1553344881 1835771223 1936361427 1976984394 2085312306 2306481793 2336436102 2464459998 2725842119 3106689762 3624471389 3671542446 3872722854 4283466187 4518176663 4612963586 5451684238 6731161151 6919445379 7248942778 8177526357 8566932374 9036353326 10873414167 12850398561 13462322302 13554529989 13838890758 16355052714 20193483453 21746828334 25371299723 25700797122 27109059978 29984263309 40386966906 47118128057 50742599446 59968526618 76113899169 89952789927 94236256114 141354384171 152227798338 179905579854 282708768342 329826896399 659653792798 989480689197 1978961378394
• Sum of all divisors σ(n): 5529478106880
• Sum of proper divisors (its aliquot sum) s(n): 3550516728486
• 1978961378394 is an abundant number, because the sum of its proper divisors (3550516728486) is greater than itself. Its abundance is 1571555350092

Bases of 1978961378394

• Binary: 11100110011000011010010100011110001011010₂
• Hexadecimal: 0x1CCC34A3C5A
• Base-36: P94EIC7U

Squares and roots of 1978961378394

• 1978961378394 squared (1978961378394²) is 3916288137175080450019236
• 1978961378394 cubed (1978961378394³) is 7750182970132067760677909098374786984
• The square root of 1978961378394 is 1406755.6214190153
• The cube root of 1978961378394 is 12554.8763416659

Scales and comparisons

• 1,978,961,378,394 seconds is equal to 62,924 years, 44 weeks, 1 day, 13 hours, 59 minutes, 54 seconds.
• To count from 1 to 1,978,961,378,394 would take you about one hundred fifty-seven thousand, three hundred twelve 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 1978961378394 cubic inches would be around 1046.2 feet tall.

Recreational maths with 1978961378394

• 1978961378394 backwards is 4938731698791
• The number of decimal digits it has is: 13
• The sum of 1978961378394's digits is 75
• More coming soon!