39938920894040

Names of 39938920894040

• Cardinal: 39938920894040 can be written as Thirty-nine trillion, nine hundred thirty-eight billion, nine hundred twenty million, eight hundred ninety-four thousand and forty.

Scientific notation

• Scientific notation: 3.993892089404 × 10¹³

Factors of 39938920894040

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 339606

Divisors of 39938920894040

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 23 28 29 35 40 46 56 58 70 92 115 116 140 145 161 184 203 230 232 280 290 322 406 460 580 631 644 667 805 812 920 1015 1160 1262 1288 1334 1610 1624 2030 2524 2668 3155 3220 3335 4060 4417 4669 5048 5336 6310 6440 6670 8120 8834 9338 12620 13340 14513 17668 18299 18676 22085 23345 25240 26680 29026 35336 36598 37352 44170 46690 58052 72565 73196 88340 91495 93380 101591 116104 128093 145130 146392 176680 182990 186760 203182 256186 290260 338909 365980 406364 420877 507955 512372 580520 640465 677818 731960 812728 841754 1015910 1024744 1280930 1355636 1683508 1694545 2031820 2104385 2372363 2561860 2711272 2946139 3367016 3389090 4063640 4208770 4744726 5123720 5892278 6778180 7794907 8417540 9489452 9828361 11784556 11861815 13556360 14730695 15589814 16835080 18978904 19656722 23569112 23723630 29461390 31179628 38974535 39313444 47447260 49141805 54564349 58922780 62359256 68798527 77949070 78626888 94894520 98283610 109128698 117845560 137597054 155898140 196567220 213851579 218257396 226052303 272821745 275194108 311796280 343992635 393134440 427703158 436514792 452104606 545643490 550388216 687985270 855406316 904209212 1069257895 1091286980 1130261515 1375970540 1496961053 1582366121 1710812632 1808418424 2138515790 2182573960 2260523030 2751941080 2993922106 3164732242 4277031580 4521046060 4918586317 5987844212 6201695791 6329464484 7484805265 7911830605 8554063160 9042092120 9837172634 11975688424 12403391582 12658928968 14969610530 15823661210 19674345268 24592931585 24806783164 29939221060 31008478955 31647322420 34430104219 39348690536 43411870537 49185863170 49613566328 59878442120 62016957910 63294644840 68860208438 86823741074 98371726340 124033915820 137720416876 142639003193 172150521095 173647482148 196743452680 217059352685 248067831640 275440833752 285278006386 344301042190 347294964296 434118705370 570556012772 688602084380 713195015965 868237410740 998473022351 1141112025544 1377204168760 1426390031930 1736474821480 1996946044702 2852780063860 3993892089404 4992365111755 5705560127720 7987784178808 9984730223510 19969460447020 39938920894040
• Sum of all divisors σ(n): 111036676608000
• Sum of proper divisors (its aliquot sum) s(n): 71097755713960
• 39938920894040 is an abundant number, because the sum of its proper divisors (71097755713960) is greater than itself. Its abundance is 31158834819920

Bases of 39938920894040

• Binary: 1001000101001100000001001100010100111001011000₂
• Hexadecimal: 0x245301314E58
• Base-36: E5NOQB32W

Squares and roots of 39938920894040

• 39938920894040 squared (39938920894040²) is 1595117402180384872907521600
• 39938920894040 cubed (39938920894040³) is 63707267742388979253614964354912611264000
• The square root of 39938920894040 is 6319724.7482813679
• The cube root of 39938920894040 is 34182.1027654845

Scales and comparisons

• 39,938,920,894,040 seconds is equal to 1,269,934 years, 7 weeks, 3 days, 20 hours, 47 minutes, 20 seconds.
• To count from 1 to 39,938,920,894,040 would take you about three million, one hundred seventy-four thousand, eight hundred thirty-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 39938920894040 cubic inches would be around 2848.5 feet tall.

Recreational maths with 39938920894040

• 39938920894040 backwards is 04049802983993
• The number of decimal digits it has is: 14
• The sum of 39938920894040's digits is 68
• More coming soon!