21221001144

Names of 21221001144

• Cardinal: 21221001144 can be written as Twenty-one billion, two hundred twenty-one million, one thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 2.1221001144 × 10¹⁰

Factors of 21221001144

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 619

Divisors of 21221001144

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 31 36 42 49 53 56 62 63 72 84 93 98 106 124 126 147 159 168 186 196 212 217 248 252 279 294 318 343 371 372 392 424 434 441 477 504 523 558 588 636 651 686 742 744 868 882 954 1029 1046 1113 1116 1176 1272 1302 1372 1484 1519 1569 1643 1736 1764 1908 1953 2058 2092 2226 2232 2597 2604 2744 2968 3038 3087 3138 3286 3339 3528 3661 3816 3906 4116 4184 4452 4557 4707 4929 5194 5208 6076 6174 6276 6572 6678 7322 7791 7812 8232 8904 9114 9414 9858 10388 10633 10983 11501 12152 12348 12552 13144 13356 13671 14644 14787 15582 15624 16213 18179 18228 18828 19716 20776 21266 21966 23002 23373 24696 25627 26712 27342 27719 29288 29574 31164 31899 32426 32949 34503 36358 36456 37656 39432 42532 43932 46004 46746 48639 51254 54537 54684 55438 59148 62328 63798 64852 65898 69006 72716 76881 80507 83157 85064 87864 92008 93492 95697 97278 102508 103509 109074 109368 110876 113491 118296 127596 129704 131796 138012 145432 145917 153762 161014 163611 166314 179389 186984 191394 194033 194556 205016 207018 218148 221752 226982 230643 241521 249471 255192 263592 276024 291834 307524 322028 327222 332628 340473 358778 382788 388066 389112 414036 436296 453964 461286 483042 498942 538167 563549 582099 583668 615048 644056 654444 665256 680946 717556 724563 765576 776132 794437 828072 859289 907928 922572 966084 997884 1021419 1076334 1127098 1164198 1167336 1308888 1358231 1361892 1435112 1449126 1552264 1588874 1614501 1690647 1718578 1746297 1845144 1932168 1995768 2042838 2152668 2254196 2328396 2383311 2577867 2716462 2723784 2898252 3177748 3229002 3381294 3437156 3492594 4074693 4085676 4305336 4508392 4656792 4766622 5071941 5155734 5432924 5561059 5796504 6015023 6355496 6458004 6762588 6874312 6985188 7149933 7733601 8149386 8171352 9507617 9533244 10143882 10311468 10865848 11122118 12030046 12224079 12916008 13525176 13970376 14299866 15467202 16298772 16683177 18045069 19015234 19066488 20287764 20622936 22244236 24060092 24448158 28522851 28599732 30934404 32597544 33366354 36090138 38030468 40575528 42105161 44488472 48120184 48896316 50049531 54135207 57045702 57199464 61868808 66732708 72180276 76060936 84210322 85568553 97792632 100099062 108270414 114091404 126315483 133465416 144360552 168420644 171137106 200198124 216540828 228182808 252630966 294736127 336841288 342274212 378946449 400396248 433081656 505261932 589472254 684548424 757892898 884208381 1010523864 1178944508 1515785796 1768416762 2357889016 2652625143 3031571592 3536833524 5305250286 7073667048 10610500572 21221001144
• Sum of all divisors σ(n): 70626816000
• Sum of proper divisors (its aliquot sum) s(n): 49405814856
• 21221001144 is an abundant number, because the sum of its proper divisors (49405814856) is greater than itself. Its abundance is 28184813712

Bases of 21221001144

• Binary: 10011110000110111101100011110111000₂
• Hexadecimal: 0x4F0DEC7B8
• Base-36: 9QYFPA0

Squares and roots of 21221001144

• 21221001144 squared (21221001144²) is 450330889553649308736
• 21221001144 cubed (21221001144³) is 9556472322396529630061465193984
• The square root of 21221001144 is 145674.2981585977
• The cube root of 21221001144 is 2768.5686038139

Scales and comparisons

• 21,221,001,144 seconds is equal to 674 years, 39 weeks, 4 days, 10 hours, 32 minutes, 24 seconds.
• To count from 1 to 21,221,001,144 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 21221001144 cubic inches would be around 230.7 feet tall.

Recreational maths with 21221001144

• 21221001144 backwards is 44110012212
• 21221001144 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21221001144's digits is 18
• More coming soon!