8209049940

Names of 8209049940

• Cardinal: 8209049940 can be written as Eight billion, two hundred nine million, forty-nine thousand, nine hundred forty.

Scientific notation

• Scientific notation: 8.20904994 × 10⁹

Factors of 8209049940

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2078

Divisors of 8209049940

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 13 14 15 18 19 20 21 26 28 30 35 36 38 39 42 45 52 57 60 63 65 70 76 78 84 90 91 95 105 114 117 126 130 133 140 156 169 171 180 182 190 195 210 228 234 247 252 260 266 273 285 315 338 342 364 380 390 399 420 455 468 494 507 532 546 570 585 630 665 676 684 741 780 798 819 845 855 910 988 1014 1092 1140 1170 1183 1197 1235 1260 1330 1365 1482 1521 1596 1638 1690 1710 1729 1820 1995 2028 2029 2223 2340 2366 2394 2470 2535 2660 2730 2964 3042 3211 3276 3380 3420 3458 3549 3705 3990 4058 4095 4446 4732 4788 4940 5070 5187 5460 5915 5985 6084 6087 6422 6916 7098 7410 7605 7980 8116 8190 8645 8892 9633 10140 10145 10374 10647 11115 11830 11970 12174 12844 14196 14203 14820 15210 15561 16055 16380 17290 17745 18261 19266 20290 20748 21294 22230 22477 23660 23940 24348 25935 26377 28406 28899 30420 30435 31122 32110 34580 35490 36522 38532 38551 40580 42588 42609 44460 44954 48165 51870 52754 53235 56812 57798 60870 62244 64220 67431 70980 71015 73044 77102 77805 79131 85218 89908 91305 96330 103740 105508 106470 112385 115596 115653 121740 127827 131885 134862 142030 144495 154204 155610 158262 170436 182610 184639 192660 192755 202293 212940 213045 224770 231306 237393 255654 263770 269724 269857 284060 288990 311220 316524 337155 342901 346959 365220 369278 385510 395655 404586 426090 449540 462612 474786 501163 511308 527540 539714 553917 577980 578265 639135 674310 685802 693918 738556 771020 791310 809172 809571 852180 923195 949572 1002326 1011465 1028703 1079428 1107834 1156530 1186965 1278270 1348620 1349285 1371604 1387836 1503489 1582620 1619142 1661751 1714505 1734795 1846390 2004652 2022930 2057406 2215668 2313060 2373930 2400307 2428713 2505815 2556540 2698570 2769585 3006978 3086109 3238284 3323502 3429010 3469590 3508141 3692780 4045860 4047855 4114812 4510467 4747860 4800614 4857426 5011630 5143515 5397140 5539170 6013956 6172218 6515119 6647004 6858020 6939180 7016282 7200921 7517445 8095710 8308755 9020934 9601228 9714852 10023260 10287030 10524423 11078340 12001535 12143565 12344436 13030238 14032564 14401842 15034890 15430545 16191420 16617510 17540705 18041868 19545357 20574060 21048846 21602763 22552335 24003070 24287130 26060476 28803684 30069780 30861090 31573269 32575595 33235020 35081410 36004605 39090714 42097692 43205526 45104670 45605833 48006140 48574260 52622115 58636071 61722180 63146538 65151190 70162820 72009210 78181428 86411052 90209340 91211666 97726785 105244230 108013815 117272142 126293076 130302380 136817499 144018420 157866345 182423332 195453570 210488460 216027630 228029165 234544284 273634998 293180355 315732690 390907140 410452497 432055260 456058330 547269996 586360710 631465380 684087495 820904994 912116660 1172721420 1368174990 1641809988 2052262485 2736349980 4104524970 8209049940
• Sum of all divisors σ(n): 32453366400
• Sum of proper divisors (its aliquot sum) s(n): 24244316460
• 8209049940 is an abundant number, because the sum of its proper divisors (24244316460) is greater than itself. Its abundance is 16035266520

Bases of 8209049940

• Binary: 111101001010011000010100101010100₂
• Hexadecimal: 0x1E94C2954
• Base-36: 3RRGFH0

Squares and roots of 8209049940

• 8209049940 squared (8209049940²) is 67388500917414003600
• 8209049940 cubed (8209049940³) is 553195569412787371207739784000
• The square root of 8209049940 is 90603.8075358871
• The cube root of 8209049940 is 2017.2712509497

Scales and comparisons

• 8,209,049,940 seconds is equal to 261 years, 1 week, 1 day, 3 hours, 39 minutes.
• To count from 1 to 8,209,049,940 would take you about five hundred twenty-two 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 8209049940 cubic inches would be around 168.1 feet tall.

Recreational maths with 8209049940

• 8209049940 backwards is 0499409028
• 8209049940 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 8209049940's digits is 45
• More coming soon!