21004262165505

Names of 21004262165505

• Cardinal: 21004262165505 can be written as Twenty-one trillion, four billion, two hundred sixty-two million, one hundred sixty-five thousand, five hundred five.

Scientific notation

• Scientific notation: 2.1004262165505 × 10¹³

Factors of 21004262165505

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 273

Divisors of 21004262165505

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 5 15 17 19 51 57 85 95 229 255 285 323 361 687 969 1083 1145 1615 1805 3435 3893 4351 4845 5415 6137 6859 11679 13053 18411 19465 20577 21755 30685 34295 52441 58395 65265 73967 82669 92055 102885 116603 157323 221901 248007 262205 349809 369835 413345 583015 786615 891497 996379 1109505 1240035 1405373 1570711 1749045 2674491 2989137 4216119 4457485 4712133 4981895 7026865 7853555 12008989 13372455 14945685 16938443 18931201 21080595 23560665 26702087 36026967 50815329 56793603 60044945 80106261 84692215 94656005 133510435 180134835 204152813 228170791 254076645 283968015 321830417 359692819 400531305 612458439 684512373 965491251 1020764065 1079078457 1140853955 1609152085 1798464095 3062292195 3422561865 3878903447 4335245029 4827456255 5395392285 6114777923 11636710341 13005735087 18344333769 19394517235 21676225145 30573889615 58183551705 65028675435 73699165493 82369655551 91721668845 221097496479 247108966653 368495827465 411848277755 1105487482395 1235544833265 1400284144367 4200852433101 7001420721835 21004262165505
• Sum of all divisors σ(n): 37725012748800
• Sum of proper divisors (its aliquot sum) s(n): 16720750583295
• 21004262165505 is a deficient number, because the sum of its proper divisors (16720750583295) is less than itself. Its deficiency is 4283511582210

Bases of 21004262165505

• Binary: 100110001101001101111100101011100110000000001₂
• Hexadecimal: 0x131A6F95CC01
• Base-36: 7G183DNNL

Squares and roots of 21004262165505

• 21004262165505 squared (21004262165505²) is 441179029117264792011905025
• 21004262165505 cubed (21004262165505³) is 9266639989501993628846469666146891162625
• The square root of 21004262165505 is 4583040.7117442237
• The cube root of 21004262165505 is 27591.1081441301

Scales and comparisons

• 21,004,262,165,505 seconds is equal to 667,870 years, 29 weeks, 3 days, 4 hours, 11 minutes, 45 seconds.
• To count from 1 to 21,004,262,165,505 would take you about one million, six hundred sixty-nine thousand, six hundred seventy-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 21004262165505 cubic inches would be around 2299.3 feet tall.

Recreational maths with 21004262165505

• 21004262165505 backwards is 50556126240012
• The number of decimal digits it has is: 14
• The sum of 21004262165505's digits is 39
• More coming soon!