21228310376

Names of 21228310376

• Cardinal: 21228310376 can be written as Twenty-one billion, two hundred twenty-eight million, three hundred ten thousand, three hundred seventy-six.

Scientific notation

• Scientific notation: 2.1228310376 × 10¹⁰

Factors of 21228310376

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 179

Divisors of 21228310376

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 8 13 14 26 28 49 52 56 91 98 104 157 169 182 196 314 338 364 392 628 637 676 728 1099 1183 1256 1274 1352 2041 2197 2198 2366 2548 4082 4394 4396 4732 5096 7693 8164 8281 8788 8792 9464 14287 15379 15386 16328 16562 17576 24649 26533 28574 30758 30772 33124 49298 53066 57148 61516 61544 66248 98596 100009 106132 107653 114296 123032 172543 185731 197192 200018 212264 215306 320437 344929 345086 371462 400036 430612 640874 689858 690172 742924 800072 861224 1207801 1281748 1300117 1379716 1380344 1485848 2243059 2414503 2415602 2563496 2600234 2759432 4165681 4486118 4829006 4831204 5200468 8331362 8972236 9658012 9662408 10400936 15701413 16662724 16901521 17944472 19316024 29159767 31402826 33325448 33803042 54153853 58319534 62805652 67606084 108307706 116639068 125611304 135212168 204118369 216615412 233278136 379076971 408236738 433230824 758153942 816473476 1516307884 1632946952 2653538797 3032615768 5307077594 10614155188 21228310376
• Sum of all divisors σ(n): 50479764300
• Sum of proper divisors (its aliquot sum) s(n): 29251453924
• 21228310376 is an abundant number, because the sum of its proper divisors (29251453924) is greater than itself. Its abundance is 8023143548

Bases of 21228310376

• Binary: 10011110001010011100100111101101000₂
• Hexadecimal: 0x4F14E4F68
• Base-36: 9R2SD48

Squares and roots of 21228310376

• 21228310376 squared (21228310376²) is 450641161419789261376
• 21228310376 cubed (21228310376³) is 9566350442820403269001516837376
• The square root of 21228310376 is 145699.3835814005
• The cube root of 21228310376 is 2768.8864302793

Scales and comparisons

• 21,228,310,376 seconds is equal to 674 years, 51 weeks, 5 days, 52 minutes, 56 seconds.
• To count from 1 to 21,228,310,376 would take you about one thousand, three hundred forty-nine 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 21228310376 cubic inches would be around 230.7 feet tall.

Recreational maths with 21228310376

• 21228310376 backwards is 67301382212
• The number of decimal digits it has is: 11
• The sum of 21228310376's digits is 35
• More coming soon!