21388120226136

Names of 21388120226136

• Cardinal: 21388120226136 can be written as Twenty-one trillion, three hundred eighty-eight billion, one hundred twenty million, two hundred twenty-six thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 2.1388120226136 × 10¹³

Factors of 21388120226136

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1401276

Divisors of 21388120226136

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 223 317 446 634 669 892 951 1268 1338 1784 1902 2007 2536 2676 2853 3804 4014 5352 5706 6021 7608 8028 8559 11412 12042 16056 17118 22824 24084 34236 48168 68472 70691 141382 212073 282764 424146 565528 636219 848292 1272438 1400731 1696584 1908657 2544876 2801462 3817314 4202193 5089752 5602924 7634628 8404386 11205848 12606579 15269256 16808772 25213158 33617544 37819737 50426316 75639474 100852632 151278948 302557896 312363013 444031727 624726026 888063454 937089039 1249452052 1332095181 1776126908 1874178078 2498904104 2664190362 2811267117 3552253816 3748356156 3996285543 5328380724 5622534234 7496712312 7992571086 8433801351 10656761448 11245068468 11988856629 15985142172 16867602702 22490136936 23977713258 31970284344 33735205404 47955426516 67470410808 95910853032 99019075121 198038150242 297057225363 396076300484 594114450726 792152600968 891171676089 1188228901452 1782343352178 2376457802904 2673515028267 3564686704356 5347030056534 7129373408712 10694060113068 21388120226136
• Sum of all divisors σ(n): 59866165094400
• Sum of proper divisors (its aliquot sum) s(n): 38478044868264
• 21388120226136 is an abundant number, because the sum of its proper divisors (38478044868264) is greater than itself. Its abundance is 17089924642128

Bases of 21388120226136

• Binary: 100110111001111001111010011101111100101011000₂
• Hexadecimal: 0x1373CF4EF958
• Base-36: 7KXKEK2U0

Squares and roots of 21388120226136

• 21388120226136 squared (21388120226136²) is 457451686807647859777490496
• 21388120226136 cubed (21388120226136³) is 9784031675090683990598396445950110803456
• The square root of 21388120226136 is 4624729.2057088055
• The cube root of 21388120226136 is 27758.1726224285

Scales and comparisons

• 21,388,120,226,136 seconds is equal to 680,076 years, 3 weeks, 2 days, 19 hours, 15 minutes, 36 seconds.
• To count from 1 to 21,388,120,226,136 would take you about one million, seven hundred thousand, one hundred ninety 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 21388120226136 cubic inches would be around 2313.2 feet tall.

Recreational maths with 21388120226136

• 21388120226136 backwards is 63162202188312
• The number of decimal digits it has is: 14
• The sum of 21388120226136's digits is 45
• More coming soon!