129722791832991

Names of 129722791832991

• Cardinal: 129722791832991 can be written as One hundred twenty-nine trillion, seven hundred twenty-two billion, seven hundred ninety-one million, eight hundred thirty-two thousand, nine hundred ninety-one.

Scientific notation

• Scientific notation: 1.29722791832991 × 10¹⁴

Factors of 129722791832991

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3429

Divisors of 129722791832991

• Number of divisors d(n): 162
• Complete list of divisors:
  1 3 7 9 21 29 31 49 63 87 93 147 203 217 261 279 441 609 651 841 899 1421 1519 1827 1953 2523 2697 3359 4263 4557 5887 6293 7569 8091 10077 12789 13671 17661 18879 23513 26071 30231 41209 44051 52983 56637 70539 78213 97411 104129 123627 132153 164591 182497 211617 234639 292233 312387 370881 396459 493773 547491 681877 728903 876699 937161 1277479 1481319 1642473 2045631 2186709 2824919 3019741 3832437 4773139 5102321 6136893 6560127 8474757 9059223 11282881 11497311 14319417 15306963 19774433 21138187 25424271 27177669 33848643 42958251 45920889 59323299 63414561 78980167 87572489 101545929 138421031 147967309 177969897 190243683 236940501 262717467 327203549 349769311 415263093 443901927 552861169 613007423 710821503 788152401 981610647 1049307933 1245789279 1331705781 1658583507 1839022269 2290424843 2448385177 2944831941 3147923799 4291051961 4975750521 5517066807 6871274529 7345155531 9488902921 10143310019 12873155883 16032973901 17138696239 20613823587 22035466593 28466708763 30429930057 38619467649 48098921703 51416088717 66422320447 71003170133 85400126289 91289790171 144296765109 154248266151 199266961341 213009510399 294155990551 464956243129 497022190931 597800884023 639028531197 882467971653 1394868729387 1491066572793 2059091933857 2647403914959 4184606188161 4473199718379 6177275801571 14413643536999 18531827404713 43240930610997 129722791832991
• Sum of all divisors σ(n): 233096450881632
• Sum of proper divisors (its aliquot sum) s(n): 103373659048641
• 129722791832991 is a deficient number, because the sum of its proper divisors (103373659048641) is less than itself. Its deficiency is 26349132784350

Bases of 129722791832991

• Binary: 11101011111101101110000111011010010110110011111₂
• Hexadecimal: 0x75FB70ED2D9F
• Base-36: 19ZDTSWWPR

Squares and roots of 129722791832991

• 129722791832991 squared (129722791832991²) is 16828002720945516489636006081
• 129722791832991 cubed (129722791832991³) is 2182975493934221372495232009138678412418271
• The square root of 129722791832991 is 11389591.3813003405
• The cube root of 129722791832991 is 50621.9373797551

Scales and comparisons

• 129,722,791,832,991 seconds is equal to 4,124,783 years, 27 weeks, 18 hours, 29 minutes, 51 seconds.
• To count from 1 to 129,722,791,832,991 would take you about ten million, three hundred eleven thousand, nine hundred fifty-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 129722791832991 cubic inches would be around 4218.5 feet tall.

Recreational maths with 129722791832991

• 129722791832991 backwards is 199238197227921
• The number of decimal digits it has is: 15
• The sum of 129722791832991's digits is 72
• More coming soon!