997197931940

Names of 997197931940

• Cardinal: 997197931940 can be written as Nine hundred ninety-seven billion, one hundred ninety-seven million, nine hundred thirty-one thousand, nine hundred forty.

Scientific notation

• Scientific notation: 9.9719793194 × 10¹¹

Factors of 997197931940

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2664

Divisors of 997197931940

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 43 70 86 127 140 172 215 254 301 430 508 602 635 757 860 889 1204 1270 1505 1514 1723 1778 2540 3010 3028 3446 3556 3785 4445 5299 5461 6020 6892 7570 8615 8890 10598 10922 12061 15140 17230 17780 21196 21844 24122 26495 27305 32551 34460 38227 48244 52990 54610 60305 65102 74089 76454 96139 105980 109220 120610 130204 148178 152908 162755 191135 192278 218821 227857 241220 296356 325510 370445 382270 384556 437642 455714 480695 518623 651020 672973 740890 764540 875284 911428 961390 1037246 1094105 1139285 1304311 1345946 1481780 1531747 1922780 2074492 2188210 2278570 2593115 2608622 2691892 3063494 3364865 4133977 4376420 4557140 5186230 5217244 6126988 6521555 6729730 7658735 8267954 9130177 9409303 10372460 13043110 13459460 15317470 16535908 18260354 18818606 20669885 26086220 28937839 30634940 36520708 37637212 41339770 45650885 47046515 56085373 57875678 65865121 82679540 91301770 94093030 112170746 115751356 131730242 144689195 165647497 182603540 188186060 224341492 263460484 280426865 289378390 329325605 331294994 392597611 560853730 578756780 658651210 662589988 785195222 828237485 1121707460 1159532479 1317302420 1570390444 1656474970 1962988055 2319064958 3312949940 3925976110 4638129916 5797662395 7122842371 7851952220 11595324790 14245684742 23190649580 28491369484 35614211855 49859896597 71228423710 99719793194 142456847420 199439586388 249299482985 498598965970 997197931940
• Sum of all divisors σ(n): 2472910454784
• Sum of proper divisors (its aliquot sum) s(n): 1475712522844
• 997197931940 is an abundant number, because the sum of its proper divisors (1475712522844) is greater than itself. Its abundance is 478514590904

Bases of 997197931940

• Binary: 1110100000101101101000001110010110100100₂
• Hexadecimal: 0xE82DA0E5A4
• Base-36: CQ3TWGPW

Squares and roots of 997197931940

• 997197931940 squared (997197931940²) is 994403715465412872163600
• 997197931940 cubed (997197931940³) is 991617328575561910719797513345384000
• The square root of 997197931940 is 998597.9831443683
• The cube root of 997197931940 is 9990.6510355435

Scales and comparisons

• 997,197,931,940 seconds is equal to 31,707 years, 42 weeks, 17 hours, 32 minutes, 20 seconds.
• To count from 1 to 997,197,931,940 would take you about sixty-three thousand, four hundred fifteen 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 997197931940 cubic inches would be around 832.6 feet tall.

Recreational maths with 997197931940

• 997197931940 backwards is 049139791799
• The number of decimal digits it has is: 12
• The sum of 997197931940's digits is 68
• More coming soon!