168364721217

Names of 168364721217

• Cardinal: 168364721217 can be written as One hundred sixty-eight billion, three hundred sixty-four million, seven hundred twenty-one thousand, two hundred seventeen.

Scientific notation

• Scientific notation: 1.68364721217 × 10¹¹

Factors of 168364721217

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 320

Divisors of 168364721217

• Number of divisors d(n): 160
• Complete list of divisors:
  1 3 7 11 21 33 47 61 77 121 141 183 191 231 329 363 427 517 573 671 847 987 1281 1331 1337 1551 2013 2101 2541 2867 3619 3993 4011 4697 5687 6303 7381 8601 8977 9317 10857 11651 14091 14641 14707 17061 20069 22143 23111 26931 27951 31537 34953 39809 43923 44121 51667 60207 62557 62839 69333 81191 81557 94611 98747 102487 119427 128161 155001 161777 187671 188517 220759 243573 244671 254221 296241 307461 346907 384483 437899 485331 547597 568337 662277 688127 691229 762663 893101 897127 1040721 1086217 1313697 1409771 1642791 1705011 1779547 2064381 2073687 2428349 2679303 2691381 2796431 3258651 3815977 3833179 4229313 4816889 5338641 6023567 6251707 7285047 7603519 8389293 9868397 11447931 11499537 11948387 14450667 15507481 18070701 18755121 19575017 22810557 26711839 29605191 35845161 41975747 42164969 46522443 58725051 66259237 80135517 83638709 108552367 125927241 126494907 131432257 170582291 198777711 250916127 293830229 325657101 394296771 463814659 511746873 728851607 881490687 920025799 1194076037 1391443977 2186554821 2760077397 3582228111 5101961249 8017367677 15305883747 24052103031 56121573739 168364721217
• Sum of all divisors σ(n): 294472581120
• Sum of proper divisors (its aliquot sum) s(n): 126107859903
• 168364721217 is a deficient number, because the sum of its proper divisors (126107859903) is less than itself. Its deficiency is 42256861314

Bases of 168364721217

• Binary: 10011100110011010100011100010001000001₂
• Hexadecimal: 0x273351C441
• Base-36: 25CG0ABL

Squares and roots of 168364721217

• 168364721217 squared (168364721217²) is 28346679350478129961089
• 168364721217 cubed (168364721217³) is 4772580766270940986554244542725313
• The square root of 168364721217 is 410322.7037552273
• The cube root of 168364721217 is 5521.8384753525

Scales and comparisons

• 168,364,721,217 seconds is equal to 5,353 years, 24 weeks, 5 days, 18 hours, 6 minutes, 57 seconds.
• To count from 1 to 168,364,721,217 would take you about ten thousand, seven hundred six 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 168364721217 cubic inches would be around 460.2 feet tall.

Recreational maths with 168364721217

• 168364721217 backwards is 712127463861
• The number of decimal digits it has is: 12
• The sum of 168364721217's digits is 48
• More coming soon!