81423481104

Names of 81423481104

• Cardinal: 81423481104 can be written as Eighty-one billion, four hundred twenty-three million, four hundred eighty-one thousand, one hundred four.

Scientific notation

• Scientific notation: 8.1423481104 × 10¹⁰

Factors of 81423481104

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 134

Divisors of 81423481104

• Number of divisors d(n): 405
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 43 48 49 56 63 72 79 84 86 98 112 126 129 144 147 158 168 172 196 237 252 258 294 301 316 336 344 387 392 441 474 504 516 553 588 602 632 688 711 774 784 882 903 948 1008 1032 1106 1176 1204 1264 1422 1548 1659 1764 1806 1849 1896 2064 2107 2212 2352 2408 2709 2844 3096 3318 3397 3528 3612 3698 3792 3871 4214 4424 4816 4977 5418 5547 5688 6192 6241 6321 6636 6794 7056 7224 7396 7742 8428 8848 9954 10191 10836 11094 11376 11613 12482 12642 12943 13272 13588 14448 14792 15484 16641 16856 18723 18963 19908 20382 21672 22188 23226 23779 24964 25284 25886 26544 27176 29584 30573 30968 33282 33712 34839 37446 37926 38829 39816 40764 43344 43687 44376 46452 47558 49928 50568 51772 54352 56169 61146 61936 66564 69678 71337 74892 75852 77658 79632 81528 87374 88752 90601 92904 95116 99856 101136 103544 112338 116487 122292 131061 133128 139356 142674 146071 149784 151704 155316 163056 166453 174748 181202 185808 190232 207088 214011 224676 232974 244584 262122 266256 268363 271803 278712 285348 292142 299568 303408 305809 310632 332906 349496 362404 380464 393183 428022 438213 449352 465948 489168 499359 524244 536726 543606 557424 570696 584284 611618 621264 665812 698992 724808 786366 805089 815409 856044 876426 898704 917427 931896 998718 1022497 1048488 1073452 1087212 1141392 1168568 1223236 1314639 1331624 1449616 1498077 1572732 1610178 1630818 1712088 1752852 1834854 1863792 1878541 1997436 2044994 2096976 2146904 2174424 2337136 2415267 2446472 2629278 2663248 2752281 2996154 3067491 3145464 3220356 3261636 3424176 3505704 3669708 3757082 3994872 4089988 4293808 4348848 4830534 4892944 5258556 5504562 5635623 5992308 6134982 6290928 6440712 6523272 7011408 7157479 7339416 7514164 7989744 8179976 9202473 9661068 10517112 11009124 11271246 11539609 11984616 12269964 12881424 13046544 13149787 14314958 14678832 15028328 16359952 16906869 18404946 19322136 21034224 21472437 22018248 22542492 23079218 23969232 24539928 26299574 28629916 30056656 33813738 34618827 36809892 38644272 39449361 42944874 44036496 45084984 46158436 49079856 52599148 57259832 64417311 67627476 69237654 73619784 78898722 80777263 85889748 90169968 92316872 103856481 105198296 114519664 118348083 128834622 135254952 138475308 147239568 157797444 161554526 171779496 184633744 207712962 210396592 236696166 242331789 257669244 270509904 276950616 315594888 323109052 343558992 415425924 473392332 484663578 515338488 553901232 565440841 631189776 646218104 726995367 830851848 946784664 969327156 1030676976 1130881682 1292436208 1453990734 1661703696 1696322523 1893569328 1938654312 2261763364 2907981468 3392645046 3877308624 4523526728 5088967569 5815962936 6785290092 9047053456 10177935138 11631925872 13570580184 20355870276 27141160368 40711740552 81423481104
• Sum of all divisors σ(n): 274863015063
• Sum of proper divisors (its aliquot sum) s(n): 193439533959
• 81423481104 is an abundant number, because the sum of its proper divisors (193439533959) is greater than itself. Its abundance is 112016052855

Bases of 81423481104

• Binary: 1001011110101001101111011100100010000₂
• Hexadecimal: 0x12F537B910
• Base-36: 11ELFS40

Squares and roots of 81423481104

• 81423481104 squared (81423481104²) is 6629783275093445058816
• 81423481104 cubed (81423481104³) is 539820033223186357580766744612864
• 81423481104 is a perfect square number. Its square root is 285348
• The cube root of 81423481104 is 4334.2759223741

Scales and comparisons

• 81,423,481,104 seconds is equal to 2,589 years, 5 days, 9 hours, 38 minutes, 24 seconds.
• To count from 1 to 81,423,481,104 would take you about five thousand, one hundred seventy-eight 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 81423481104 cubic inches would be around 361.2 feet tall.

Recreational maths with 81423481104

• 81423481104 backwards is 40118432418
• 81423481104 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 81423481104's digits is 36
• More coming soon!