997981138000

Names of 997981138000

• Cardinal: 997981138000 can be written as Nine hundred ninety-seven billion, nine hundred eighty-one million, one hundred thirty-eight thousand.

Scientific notation

• Scientific notation: 9.97981138 × 10¹¹

Factors of 997981138000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1118

Divisors of 997981138000

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 25 28 35 40 44 49 50 55 56 70 77 80 88 98 100 110 112 121 125 140 154 175 176 196 200 220 242 245 250 275 280 308 343 350 385 392 400 440 484 490 500 539 550 560 605 616 686 700 770 784 847 875 880 968 980 1000 1078 1093 1100 1210 1225 1232 1331 1372 1375 1400 1540 1694 1715 1750 1925 1936 1960 2000 2156 2186 2200 2420 2450 2662 2695 2744 2750 2800 3025 3080 3388 3430 3500 3773 3850 3920 4235 4312 4372 4400 4840 4900 5324 5390 5465 5488 5500 5929 6050 6125 6160 6655 6776 6860 7000 7546 7651 7700 8470 8575 8624 8744 9317 9625 9680 9800 10648 10780 10930 11000 11858 12023 12100 12250 13310 13475 13552 13720 14000 15092 15125 15302 15400 16940 17150 17488 18634 18865 19250 19600 21175 21296 21560 21860 22000 23716 24046 24200 24500 26620 26950 27325 27440 29645 30184 30250 30604 30800 33275 33880 34300 37268 37730 38255 38500 41503 42350 42875 43120 43720 46585 47432 48092 48400 49000 53240 53557 53900 54650 59290 60115 60368 60500 61208 65219 66550 67375 67760 68600 74536 75460 76510 77000 83006 84161 84700 85750 87440 93170 94325 94864 96184 98000 105875 106480 107114 107800 109300 118580 120230 121000 122416 130438 132253 133100 134750 136625 137200 148225 149072 150920 153020 154000 166012 166375 168322 169400 171500 186340 188650 191275 192368 207515 211750 214228 215600 218600 232925 237160 240460 242000 260876 264506 266200 267785 269500 273250 296450 300575 301840 306040 326095 332024 332750 336644 338800 343000 372680 374899 377300 382550 415030 420805 423500 428456 437200 456533 465850 471625 474320 480920 521752 529012 532400 535570 539000 546500 589127 592900 601150 612080 652190 661265 664048 665500 673288 686000 741125 745360 749798 754600 765100 830060 841610 847000 856912 913066 925771 931700 943250 956375 961840 1037575 1043504 1058024 1071140 1078000 1093000 1164625 1178254 1185800 1202300 1304380 1322530 1331000 1338925 1346576 1454783 1482250 1499596 1502875 1509200 1530200 1630475 1660120 1683220 1694000 1826132 1851542 1863400 1874495 1886500 1912750 2075150 2104025 2116048 2142280 2186000 2282665 2329250 2356508 2371600 2404600 2608760 2645060 2662000 2677850 2909566 2945635 2964500 2999192 3005750 3060400 3260950 3306325 3320240 3366440 3652264 3703084 3726800 3748990 3773000 3825500 4123889 4150300 4208050 4284560 4565330 4628855 4658500 4713016 4809200 5187875 5217520 5290120 5355700 5819132 5891270 5929000 5998384 6011500 6480397 6521900 6612650 6694625 6732880 7273915 7304528 7406168 7497980 7546000 7651000 8152375 8247778 8300600 8416100 9130660 9257710 9317000 9372475 9426032 10183481 10375750 10520125 10580240 10711400 11413325 11638264 11782540 11858000 12023000 12960794 13043800 13225300 13389250 14547830 14728175 14812336 14995960 15302000 16304750 16495556 16531625 16601200 16832200 18261320 18515420 18634000 18744950 20366962 20619445 20751500 21040250 21422800 22826650 23144275 23276528 23565080 24046000 25921588 26087600 26450600 26778500 29095660 29456350 29991920 32401985 32609500 32991112 33063250 33664400 36369575 36522640 37030840 37489900 40733924 41238890 41503000 42080500 45362779 45653300 46288550 46862375 47130160 50917405 51843176 52901200 53557000 57066625 58191320 58912700 64803970 65219000 65982224 66126500 71284367 72739150 73640875 74061680 74979800 81467848 82477780 83006000 84161000 90725558 91306600 92577100 93724750 101834810 103097225 103686352 107114000 114133250 115721375 116382640 117825400 129607940 130438000 132253000 142568734 145478300 147281750 149959600 162009925 162935696 164955560 168322000 181451116 181847875 182613200 185154200 187449500 203669620 206194450 226813895 228266500 231442750 235650800 254587025 259215880 264506000 285137468 290956600 294563500 324019850 329911120 356421835 362902232 363695750 370308400 374899000 407339240 412388900 453627790 456533000 462885500 498990569 509174050 515486125 518431760 570274936 581913200 589127000 648039700 712843670 725804464 727391500 749798000 810049625 814678480 824777800 907255580 913066000 925771000 997981138 1018348100 1030972250 1134069475 1140549872 1178254000 1272935125 1296079400 1425687340 1454783000 1620099250 1649555600 1782109175 1814511160 1851542000 1995962276 2036696200 2061944500 2268138950 2494952845 2545870250 2592158800 2851374680 2909566000 3240198500 3564218350 3629022320 3991924552 4073392400 4123889000 4536277900 4989905690 5091740500 5670347375 5702749360 6480397000 7128436700 7983849104 8247778000 8910545875 9072555800 9979811380 10183481000 11340694750 12474764225 12960794000 14256873400 17821091750 18145111600 19959622760 20366962000 22681389500 24949528450 28513746800 35642183500 39919245520 45362779000 49899056900 62373821125 71284367000 90725558000 99798113800 124747642250 142568734000 199596227600 249495284500 498990569000 997981138000
• Sum of all divisors σ(n): 3098165990400
• Sum of proper divisors (its aliquot sum) s(n): 2100184852400
• 997981138000 is an abundant number, because the sum of its proper divisors (2100184852400) is greater than itself. Its abundance is 1102203714400

Bases of 997981138000

• Binary: 1110100001011100010011111010110001010000₂
• Hexadecimal: 0xE85C4FAC50
• Base-36: CQGS7ADS

Squares and roots of 997981138000

• 997981138000 squared (997981138000²) is 995966351803775044000000
• 997981138000 cubed (997981138000³) is 993955633182839771107120072000000000
• The square root of 997981138000 is 998990.0590095979
• The cube root of 997981138000 is 9993.2659262429

Scales and comparisons

• 997,981,138,000 seconds is equal to 31,732 years, 37 weeks, 14 hours, 46 minutes, 40 seconds.
• To count from 1 to 997,981,138,000 would take you about sixty-three thousand, four hundred sixty-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 997981138000 cubic inches would be around 832.8 feet tall.

Recreational maths with 997981138000

• 997981138000 backwards is 000831189799
• 997981138000 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 997981138000's digits is 55
• More coming soon!