491121656109

Names of 491121656109

• Cardinal: 491121656109 can be written as Four hundred ninety-one billion, one hundred twenty-one million, six hundred fifty-six thousand, one hundred nine.

Scientific notation

• Scientific notation: 4.91121656109 × 10¹¹

Factors of 491121656109

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 105

Divisors of 491121656109

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 7 9 21 23 27 29 43 49 63 69 87 129 147 161 189 203 207 261 301 343 387 441 483 609 621 667 783 903 989 1029 1127 1161 1247 1323 1421 1449 1827 1849 2001 2107 2709 2967 3087 3381 3741 4263 4347 4669 5481 5547 6003 6321 6923 7889 8127 8729 8901 9261 9947 10143 11223 12789 12943 14007 14749 16641 18009 18963 20769 23667 26187 26703 28681 29841 30429 32683 33669 38367 38829 42021 42527 44247 48461 49923 53621 56889 61103 62307 71001 78561 79507 86043 89523 90601 98049 116487 126063 127581 132741 145383 160863 183309 186921 200767 213003 228781 235683 238521 258129 268569 271803 294147 297689 339227 349461 375347 382743 398223 427721 436149 482589 549927 556549 602301 634207 686343 715563 774387 815409 882441 893067 1017681 1126041 1148229 1233283 1283163 1308447 1405369 1447767 1649781 1669647 1806903 1828661 1902621 2059029 2083823 2146689 2305703 2446227 2627429 2679201 3053043 3378123 3699849 3849489 3895843 4216107 5008941 5420709 5485983 5707863 6177087 6251469 6917109 7882287 8037603 8632981 9159129 9837583 10134369 11099547 11548467 11687529 12648321 12800627 14586761 15026823 16139921 16457949 17123589 18392003 18754407 20751327 23646861 25898943 27270901 29512749 33298641 35062587 37944963 38401881 43760283 48419763 49373847 53031169 55176009 56263221 60430867 62253981 70940583 77696829 81812703 88538247 89604389 105187761 112979447 115205643 131280849 145259289 159093507 165528027 181292601 233090487 245438109 265614741 268813167 338938341 345616929 371218183 393842547 423016069 435777867 477280521 496584081 543877803 627230723 736314327 790856129 806439501 1016815023 1113654549 1269048207 1431841563 1631633409 1881692169 2372568387 2419318503 2598527281 3050445069 3340963647 3807144621 5645076507 7117705161 7795581843 10022890941 11421433863 16935229521 18189690967 21353115483 23386745529 54569072901 70160236587 163707218703 491121656109
• Sum of all divisors σ(n): 937728000000
• Sum of proper divisors (its aliquot sum) s(n): 446606343891
• 491121656109 is a deficient number, because the sum of its proper divisors (446606343891) is less than itself. Its deficiency is 44515312218

Bases of 491121656109

• Binary: 111001001011001001000011100000100101101₂
• Hexadecimal: 0x725921C12D
• Base-36: 69M95J59

Squares and roots of 491121656109

• 491121656109 squared (491121656109²) is 241200481099246857019881
• 491121656109 cubed (491121656109³) is 118458779731749669212217089058103029
• The square root of 491121656109 is 700800.7249632381
• The cube root of 491121656109 is 7889.7461161059

Scales and comparisons

• 491,121,656,109 seconds is equal to 15,616 years, 7 weeks, 5 days, 10 hours, 15 minutes, 9 seconds.
• To count from 1 to 491,121,656,109 would take you about thirty-one thousand, two hundred thirty-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 491121656109 cubic inches would be around 657.5 feet tall.

Recreational maths with 491121656109

• 491121656109 backwards is 901656121194
• The number of decimal digits it has is: 12
• The sum of 491121656109's digits is 45
• More coming soon!