9747909990

Names of 9747909990

• Cardinal: 9747909990 can be written as Nine billion, seven hundred forty-seven million, nine hundred nine thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 9.74790999 × 10⁹

Factors of 9747909990

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1421

Divisors of 9747909990

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 7 9 10 13 14 15 17 18 21 26 30 34 35 39 42 45 51 53 63 65 70 78 85 90 91 102 105 106 117 119 126 130 153 159 170 182 195 210 221 234 238 255 265 273 306 315 318 357 371 390 442 455 477 510 530 546 585 595 630 663 689 714 742 765 795 819 901 910 954 1071 1105 1113 1170 1190 1321 1326 1365 1378 1530 1547 1590 1638 1785 1802 1855 1989 2067 2142 2210 2226 2385 2642 2703 2730 3094 3315 3339 3445 3570 3710 3963 3978 4095 4134 4505 4641 4770 4823 5355 5406 5565 6201 6307 6605 6630 6678 6890 7735 7926 8109 8190 9010 9247 9282 9646 9945 10335 10710 11130 11713 11889 12402 12614 13210 13515 13923 14469 15470 16218 16695 17173 18494 18921 19815 19890 20670 22457 23205 23426 23778 24115 27030 27741 27846 28938 31005 31535 33390 34346 35139 37842 39630 40545 43407 44914 46235 46410 48230 51519 55482 56763 58565 59445 62010 63070 67371 69615 70013 70278 72345 81090 81991 83223 85865 86814 92470 94605 103038 105417 112285 113526 117130 118890 120211 134742 138705 139230 140026 144690 154557 157199 163982 166446 171730 175695 189210 202113 210039 210834 217035 224570 240422 245973 257595 277410 283815 291941 309114 314398 336855 350065 351390 360633 404226 409955 416115 420078 434070 471597 490091 491946 515190 527085 567630 583882 601055 630117 673710 700130 721266 737919 772785 785995 819910 832230 875823 910169 943194 980182 1010565 1050195 1054170 1081899 1190221 1202110 1229865 1260234 1414791 1459705 1470273 1475838 1545570 1571990 1751646 1803165 1820338 2021130 2043587 2100390 2163798 2357985 2380442 2450455 2459730 2627469 2730507 2829582 2919410 2940546 3150585 3570663 3606330 3689595 4087174 4379115 4410819 4550845 4715970 4900910 5254938 5409495 5461014 5951105 6130761 6301170 6371183 7073955 7141326 7351365 7379190 8191521 8331547 8758230 8821638 9101690 10217935 10711989 10818990 11902210 12261522 12742366 13137345 13652535 14147910 14702730 15472873 16383042 16663094 17853315 18392283 19113549 20435870 21423978 22054095 24994641 26274690 27305070 30653805 30945746 31855915 35706630 36784566 38227098 40957605 41657735 44108190 46418619 49989282 53559945 57340647 61307610 63711830 74983923 77364365 81915210 83315470 91961415 92837238 95567745 107119890 108310111 114681294 124973205 139255857 149967846 154728730 183922830 191135490 216620222 232093095 249946410 278511714 286703235 324930333 374919615 464186190 541550555 573406470 649860666 696279285 749839230 974790999 1083101110 1392558570 1624651665 1949581998 3249303330 4873954995 9747909990
• Sum of all divisors σ(n): 33676860672
• Sum of proper divisors (its aliquot sum) s(n): 23928950682
• 9747909990 is an abundant number, because the sum of its proper divisors (23928950682) is greater than itself. Its abundance is 14181040692

Bases of 9747909990

• Binary: 1001000101000001010100110101100110₂
• Hexadecimal: 0x245054D66
• Base-36: 4H7NJHI

Squares and roots of 9747909990

• 9747909990 squared (9747909990²) is 95021749173141800100
• 9747909990 cubed (9747909990³) is 926263458032143192881372999000
• The square root of 9747909990 is 98731.5045464213
• The cube root of 9747909990 is 2136.1766820879

Scales and comparisons

• 9,747,909,990 seconds is equal to 309 years, 49 weeks, 4 days, 46 minutes, 30 seconds.
• To count from 1 to 9,747,909,990 would take you about six hundred nineteen 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 9747909990 cubic inches would be around 178 feet tall.

Recreational maths with 9747909990

• 9747909990 backwards is 0999097479
• 9747909990 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 9747909990's digits is 63
• More coming soon!