491142624728

Names of 491142624728

• Cardinal: 491142624728 can be written as Four hundred ninety-one billion, one hundred forty-two million, six hundred twenty-four thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 4.91142624728 × 10¹¹

Factors of 491142624728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 103

Divisors of 491142624728

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 8 14 28 41 49 53 56 82 98 106 164 196 212 287 328 343 371 392 424 574 686 742 1148 1372 1484 1681 2009 2173 2296 2401 2597 2744 2968 3362 4018 4346 4802 5194 6724 8036 8692 9604 10388 11767 13448 14063 15211 16072 16807 17384 18179 19208 20776 23534 28126 30422 33614 36358 47068 56252 60844 67228 68921 72716 82369 89093 94136 98441 106477 112504 121688 127253 134456 137842 145432 164738 178186 196882 212954 254506 275684 329476 356372 393764 425908 482447 509012 551368 576583 623651 658952 689087 712744 745339 787528 851816 890771 964894 1018024 1153166 1247302 1378174 1490678 1781542 1929788 2306332 2494604 2756348 2981356 3377129 3563084 3652813 3859576 4036081 4365557 4612664 4989208 5217373 5512696 5962712 6754258 7126168 7305626 8072162 8731114 10434746 13508516 14611252 16144324 17462228 20869492 23639903 25569691 27017032 28252567 29222504 30558899 32288648 34924456 36521611 41738984 47279806 51139382 56505134 61117798 73043222 94559612 102278764 113010268 122235596 146086444 165479321 178987837 189119224 204557528 213912293 226020536 244471192 292172888 330958642 357975674 427824586 661917284 715951348 855649172 1158355247 1252914859 1323834568 1431902696 1497386051 1711298344 2316710494 2505829718 2994772102 4633420988 5011659436 5989544204 8770404013 9266841976 10023318872 11979088408 17540808026 35081616052 61392828091 70163232104 122785656182 245571312364 491142624728
• Sum of all divisors σ(n): 1122001917120
• Sum of proper divisors (its aliquot sum) s(n): 630859292392
• 491142624728 is an abundant number, because the sum of its proper divisors (630859292392) is greater than itself. Its abundance is 139716667664

Bases of 491142624728

• Binary: 111001001011010011000011011010111011000₂
• Hexadecimal: 0x725A61B5D8
• Base-36: 69MLMYMW

Squares and roots of 491142624728

• 491142624728 squared (491142624728²) is 241221077824709037073984
• 491142624728 cubed (491142624728³) is 118473953302544753161417962883876352
• The square root of 491142624728 is 700815.6852753797
• The cube root of 491142624728 is 7889.8583997081

Scales and comparisons

• 491,142,624,728 seconds is equal to 15,616 years, 42 weeks, 3 days, 2 hours, 52 minutes, 8 seconds.
• To count from 1 to 491,142,624,728 would take you about thirty-one thousand, two hundred thirty-three 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 491142624728 cubic inches would be around 657.5 feet tall.

Recreational maths with 491142624728

• 491142624728 backwards is 827426241194
• The number of decimal digits it has is: 12
• The sum of 491142624728's digits is 50
• More coming soon!