21988882821940

Names of 21988882821940

• Cardinal: 21988882821940 can be written as Twenty-one trillion, nine hundred eighty-eight billion, eight hundred eighty-two million, eight hundred twenty-one thousand, nine hundred forty.

Scientific notation

• Scientific notation: 2.198888282194 × 10¹³

Factors of 21988882821940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 8067

Divisors of 21988882821940

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 20 113 226 452 565 1093 1130 1741 2186 2260 3482 4372 5113 5465 6964 8705 10226 10930 17410 20452 21860 25565 34820 51130 102260 123509 196733 247018 393466 494036 577769 617545 786932 983665 1155538 1235090 1902913 1967330 2311076 2470180 2888845 3805826 3934660 5588509 5777690 7611652 8901733 9514565 11177018 11555380 17803466 19029130 22354036 27942545 35606932 38058260 44508665 55885090 89017330 111770180 178034660 215029169 430058338 631501517 860116676 1005895829 1075145845 1263003034 2011791658 2150291690 2526006068 3157507585 4023583316 4300583380 5029479145 6315015170 9729594169 10058958290 12630030340 19459188338 20117916580 38918376676 48647970845 97295941690 194591883380 1099444141097 2198888282194 4397776564388 5497220705485 10994441410970 21988882821940
• Sum of all divisors σ(n): 46663825362336
• Sum of proper divisors (its aliquot sum) s(n): 24674942540396
• 21988882821940 is an abundant number, because the sum of its proper divisors (24674942540396) is greater than itself. Its abundance is 2686059718456

Bases of 21988882821940

• Binary: 100111111111110101111100011001011001100110100₂
• Hexadecimal: 0x13FFAF8CB334
• Base-36: 7SLJX3GHG

Squares and roots of 21988882821940

• 21988882821940 squared (21988882821940²) is 483510967757008017745363600
• 21988882821940 cubed (21988882821940³) is 10631866013131658813451876353119357384000
• The square root of 21988882821940 is 4689230.5149075365
• The cube root of 21988882821940 is 28015.6726976531

Scales and comparisons

• 21,988,882,821,940 seconds is equal to 699,178 years, 23 weeks, 5 days, 14 hours, 5 minutes, 40 seconds.
• To count from 1 to 21,988,882,821,940 would take you about one million, seven hundred forty-seven thousand, nine hundred forty-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 21988882821940 cubic inches would be around 2334.6 feet tall.

Recreational maths with 21988882821940

• 21988882821940 backwards is 04912828888912
• The number of decimal digits it has is: 14
• The sum of 21988882821940's digits is 70
• More coming soon!