81301429476

Names of 81301429476

• Cardinal: 81301429476 can be written as Eighty-one billion, three hundred one million, four hundred twenty-nine thousand, four hundred seventy-six.

Scientific notation

• Scientific notation: 8.1301429476 × 10¹⁰

Factors of 81301429476

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 185

Divisors of 81301429476

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 6 9 12 17 18 19 34 36 38 51 57 68 71 73 76 102 114 142 146 153 171 204 213 219 228 284 292 306 323 342 361 426 438 612 639 646 657 684 722 852 876 969 1083 1207 1241 1278 1292 1314 1349 1387 1444 1938 2166 2414 2482 2556 2628 2698 2774 2907 3249 3621 3723 3876 4047 4161 4332 4828 4964 5041 5183 5396 5548 5814 6137 6498 7242 7446 8094 8322 10082 10366 10863 11169 11628 12141 12274 12483 12996 14484 14892 15123 15549 16188 16644 18411 20164 20732 21726 22338 22933 23579 24282 24548 24966 25631 26353 30246 31098 36822 43452 44676 45369 45866 46647 47158 48564 49932 51262 52706 55233 60492 62196 68799 70737 73644 76893 79059 85697 88111 90738 91732 93294 94316 95779 98477 102524 105412 110466 137598 141474 153786 158118 171394 176222 181476 186588 191558 196954 206397 212211 220932 230679 237177 257091 264333 275196 282948 287337 295431 307572 316236 342788 352444 367993 383116 393908 412794 424422 435727 448001 461358 474354 514182 528666 574674 590862 735986 771273 792999 825588 848844 862011 871454 886293 896002 922716 948708 1028364 1057332 1103979 1149348 1181724 1307181 1344003 1471972 1542546 1585998 1628243 1674109 1724022 1742908 1772586 1792004 1819801 1871063 2207958 2614362 2688006 3085092 3171996 3256486 3311937 3348218 3448044 3545172 3639602 3742126 3921543 4032009 4415916 4884729 5022327 5228724 5376012 5459403 5613189 6255881 6512972 6623874 6696436 6991867 7279204 7484252 7843086 8064018 9769458 10044654 10918806 11226378 12511762 13247748 13983734 14654187 15066981 15686172 16128036 16378209 16839567 18767643 19538916 20089308 20975601 21837612 22452756 25023524 27967468 29308374 30133962 30936617 31808071 32756418 33679134 37535286 41951202 56302929 58616748 60267924 61873234 62926803 63616142 65512836 67358268 75070572 83902404 92809851 95424213 112605858 118861739 123746468 125853606 127232284 132845473 185619702 190848426 225211716 237723478 251707212 265690946 278429553 286272639 356585217 371239404 381696852 398536419 475446956 531381892 556859106 572545278 713170434 797072838 1069755651 1113718212 1145090556 1195609257 1426340868 1594145676 2139511302 2258373041 2391218514 4279022604 4516746082 4782437028 6775119123 9033492164 13550238246 20325357369 27100476492 40650714738 81301429476
• Sum of all divisors σ(n): 236127400236
• Sum of proper divisors (its aliquot sum) s(n): 154825970760
• 81301429476 is an abundant number, because the sum of its proper divisors (154825970760) is greater than itself. Its abundance is 73524541284

Bases of 81301429476

• Binary: 1001011101101111100010101110011100100₂
• Hexadecimal: 0x12EDF15CE4
• Base-36: 11CKRSH0

Squares and roots of 81301429476

• 81301429476 squared (81301429476²) is 6609922434841001634576
• 81301429476 cubed (81301429476³) is 537396142678055899666681387162176
• The square root of 81301429476 is 285134.0552722525
• The cube root of 81301429476 is 4332.1091846903

Scales and comparisons

• 81,301,429,476 seconds is equal to 2,585 years, 6 weeks, 6 days, 18 hours, 24 minutes, 36 seconds.
• To count from 1 to 81,301,429,476 would take you about five thousand, one hundred seventy 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 81301429476 cubic inches would be around 361 feet tall.

Recreational maths with 81301429476

• 81301429476 backwards is 67492410318
• The number of decimal digits it has is: 11
• The sum of 81301429476's digits is 45
• More coming soon!