21740918398728

Names of 21740918398728

• Cardinal: 21740918398728 can be written as Twenty-one trillion, seven hundred forty billion, nine hundred eighteen million, three hundred ninety-eight thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1740918398728 × 10¹³

Factors of 21740918398728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1419

Divisors of 21740918398728

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 12 24 41 67 82 123 134 164 201 246 268 328 402 449 492 536 804 857 898 984 1347 1608 1714 1796 2571 2694 2747 3428 3592 5142 5388 5494 6856 8241 10284 10776 10988 16482 18409 20568 21976 30083 32964 35137 36818 55227 57419 60166 65928 70274 73636 90249 105411 110454 114838 120332 140548 147272 172257 180498 210822 220908 229676 240664 281096 344514 360996 384793 421644 441816 459352 689028 721992 734449 769586 843288 1154379 1233403 1378056 1468898 1539172 2203347 2308758 2354179 2466806 2937796 3078344 3700209 4406694 4617516 4708358 4933612 5875592 7062537 7400418 8813388 9235032 9416716 9867224 14125074 14800836 15776513 17626776 18833432 25781131 28250148 29601672 30112409 31553026 47329539 49208083 51562262 56500296 60224818 63106052 77343393 90337227 94659078 98416166 103124524 120449636 126212104 147624249 154686786 180674454 189318156 196832332 206249048 240899272 295248498 309373572 329767601 361348908 378636312 393664664 590496996 618747144 659535202 722697816 989302803 1057026371 1180993992 1319070404 1978605606 2017531403 2114052742 2638140808 3171079113 3957211212 4035062806 4228105484 6052594209 6342158226 7914422424 8070125612 8456210968 12105188418 12684316452 13520471641 16140251224 22094429267 24210376836 25368632904 27040943282 40561414923 44188858534 48420753672 54081886564 66283287801 81122829846 88377717068 108163773128 132566575602 162245659692 176755434136 265133151204 324491319384 530266302408 905871599947 1811743199894 2717614799841 3623486399788 5435229599682 7246972799576 10870459199364 21740918398728
• Sum of all divisors σ(n): 56700993384000
• Sum of proper divisors (its aliquot sum) s(n): 34960074985272
• 21740918398728 is an abundant number, because the sum of its proper divisors (34960074985272) is greater than itself. Its abundance is 13219156586544

Bases of 21740918398728

• Binary: 100111100010111110011101101111101111100001000₂
• Hexadecimal: 0x13C5F3B7DF08
• Base-36: 7PFN1HB0O

Squares and roots of 21740918398728

• 21740918398728 squared (21740918398728²) is 472667532820149663592017984
• 21740918398728 cubed (21740918398728³) is 10276226260770962610194283509387458724352
• The square root of 21740918398728 is 4662715.7750315427
• The cube root of 21740918398728 is 27909.9652222073

Scales and comparisons

• 21,740,918,398,728 seconds is equal to 691,293 years, 49 weeks, 4 days, 23 hours, 38 minutes, 48 seconds.
• To count from 1 to 21,740,918,398,728 would take you about one million, seven hundred twenty-eight thousand, two hundred thirty-four 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 21740918398728 cubic inches would be around 2325.8 feet tall.

Recreational maths with 21740918398728

• 21740918398728 backwards is 82789381904712
• The number of decimal digits it has is: 14
• The sum of 21740918398728's digits is 69
• More coming soon!