131981972913

Names of 131981972913

• Cardinal: 131981972913 can be written as One hundred thirty-one billion, nine hundred eighty-one million, nine hundred seventy-two thousand, nine hundred thirteen.

Scientific notation

• Scientific notation: 1.31981972913 × 10¹¹

Factors of 131981972913

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 223

Divisors of 131981972913

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 7 9 19 21 27 37 57 63 81 111 133 157 171 189 243 259 333 361 399 471 513 567 703 777 999 1083 1099 1197 1369 1413 1539 1701 2109 2331 2527 2983 2997 3249 3297 3591 4107 4239 4617 4921 5809 6327 6993 7581 8949 8991 9583 9747 9891 10773 12321 12717 13357 14763 17427 18981 20881 20979 22743 26011 26847 28749 29241 29673 32319 36963 38151 40071 40663 44289 52281 56677 56943 62643 62937 68229 78033 80541 86247 87723 89019 93499 110371 110889 120213 121989 132867 156843 170031 170829 182077 187929 204687 214933 234099 241623 258741 267057 280497 331113 332667 360639 365967 396739 398601 470529 494209 510093 546231 563787 614061 644799 702297 724869 772597 776223 841491 993339 1081917 1097901 1190217 1195803 1411587 1482627 1504531 1530279 1638693 1691361 1934397 2097049 2106891 2317791 2328669 2524473 2980017 3245751 3293703 3459463 3570651 4083727 4447881 4513593 4590837 4916079 5074083 5803191 6291147 6320673 6953373 7573419 8940051 9881109 10378389 10711953 12251181 13343643 13540779 13772511 14679343 14748237 17409573 18873441 20860119 22720257 26820153 28586089 31135167 32135859 36753543 40030929 40622337 44038029 44244711 52228719 56620323 62580357 77590813 85758267 93405501 96407577 110260629 120092787 121867011 132114087 169860969 187741071 232772439 257274801 280216503 330781887 365601033 396342261 509582907 543135691 698317317 771824403 840649509 992345661 1189026783 1629407073 2094951951 2315473209 3567080349 4888221219 6284855853 6946419627 14664663657 18854567559 43993990971 131981972913
• Sum of all divisors σ(n): 246642282432
• Sum of proper divisors (its aliquot sum) s(n): 114660309519
• 131981972913 is a deficient number, because the sum of its proper divisors (114660309519) is less than itself. Its deficiency is 17321663394

Bases of 131981972913

• Binary: 1111010111010101111010001010110110001₂
• Hexadecimal: 0x1EBABD15B1
• Base-36: 1OMQNQ29

Squares and roots of 131981972913

• 131981972913 squared (131981972913²) is 17419241174007865705569
• 131981972913 cubed (131981972913³) is 2299025816792920451201349391252497
• The square root of 131981972913 is 363293.2326826361
• The cube root of 131981972913 is 5091.4115724959

Scales and comparisons

• 131,981,972,913 seconds is equal to 4,196 years, 32 weeks, 1 day, 3 hours, 8 minutes, 33 seconds.
• To count from 1 to 131,981,972,913 would take you about eight thousand, three hundred ninety-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 131981972913 cubic inches would be around 424.3 feet tall.

Recreational maths with 131981972913

• 131981972913 backwards is 319279189131
• The number of decimal digits it has is: 12
• The sum of 131981972913's digits is 54
• More coming soon!