21228335744

Names of 21228335744

• Cardinal: 21228335744 can be written as Twenty-one billion, two hundred twenty-eight million, three hundred thirty-five thousand, seven hundred forty-four.

Scientific notation

• Scientific notation: 2.1228335744 × 10¹⁰

Factors of 21228335744

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 196

Divisors of 21228335744

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 4 7 8 11 14 16 17 22 28 31 32 34 44 56 61 62 64 67 68 77 88 112 119 122 124 128 134 136 154 176 187 217 224 238 244 248 268 272 308 341 352 374 427 434 448 469 476 488 496 527 536 544 616 671 682 704 737 748 854 868 896 938 952 976 992 1037 1054 1072 1088 1139 1232 1309 1342 1364 1408 1474 1496 1708 1736 1876 1891 1904 1952 1984 2074 2077 2108 2144 2176 2278 2387 2464 2618 2684 2728 2948 2992 3416 3472 3689 3752 3782 3808 3904 3968 4087 4148 4154 4216 4288 4556 4697 4774 4928 5159 5236 5368 5456 5797 5896 5984 6832 6944 7259 7378 7504 7564 7616 7808 7973 8174 8296 8308 8432 8576 9112 9394 9548 9856 10318 10472 10736 10912 11407 11594 11792 11968 12529 13237 13664 13888 14518 14539 14756 15008 15128 15232 15946 16348 16592 16616 16864 18224 18788 19096 20636 20801 20944 21472 21824 22814 22847 23188 23584 23936 25058 26474 27328 27776 28609 29036 29078 29512 30016 30256 31892 32147 32696 33184 33232 33728 35309 36448 37576 38192 40579 41272 41602 41888 42944 43648 44957 45628 45694 46376 47168 50116 52948 54656 57218 58072 58156 59024 60032 60512 63784 64294 65392 66368 66464 67456 69479 70618 72896 75152 76384 79849 81158 82544 83204 83776 85888 87703 89914 91256 91388 92752 94336 100232 105896 114436 116144 116312 118048 121024 126697 127568 128588 130784 132736 132928 138958 141236 145607 145792 150304 152768 159698 159929 162316 165088 166408 167552 175406 179828 182512 182776 185504 200464 211792 225029 228872 232288 232624 236096 242048 247163 253394 255136 257176 261568 265856 277916 282472 291214 300608 305536 314699 319396 319858 324632 330176 332816 350812 353617 359656 365024 365552 371008 388399 400928 423584 450058 457744 464576 465248 472192 486353 494326 506788 510272 514352 523136 555832 564944 582428 601216 629398 638792 639716 649264 660352 665632 701624 707234 719312 730048 731104 742016 764269 776798 801856 847168 886879 900116 915488 929152 930496 972706 988652 1013576 1020544 1028704 1111664 1129888 1164856 1258796 1277584 1279432 1298528 1331264 1393667 1403248 1414468 1438624 1460096 1462208 1528538 1553596 1603712 1694336 1773758 1800232 1830976 1860992 1945412 1977304 2027152 2057408 2153849 2223328 2259776 2329712 2475319 2517592 2555168 2558864 2597056 2662528 2718793 2787334 2806496 2828936 2877248 2924416 3057076 3107192 3547516 3600464 3661952 3890824 3954608 4054304 4114816 4307698 4446656 4519552 4659424 4950638 5035184 5110336 5117728 5194112 5349883 5437586 5574668 5612992 5657872 5754496 6114152 6214384 7095032 7200928 7781648 7909216 8108608 8615396 8893312 9318848 9755669 9901276 10070368 10220672 10235456 10699766 10875172 11149336 11225984 11315744 12228304 12428768 14190064 14401856 15076943 15563296 15818432 16217216 17230792 18637696 19511338 19802552 20140736 20470912 21399532 21750344 22298672 22631488 23692339 24456608 24857536 28380128 28803712 30153886 31126592 31636864 34461584 39022676 39605104 40281472 42799064 43500688 44597344 45262976 47384678 48913216 49715072 56760256 60307772 62253184 68923168 78045352 79210208 85598128 87001376 89194688 94769356 97826432 113520512 120615544 137846336 156090704 158420416 165846373 171196256 174002752 178389376 189538712 241231088 275692672 312181408 316840832 331692746 342392512 348005504 379077424 482462176 624362816 663385492 684785024 758154848 964924352 1248725632 1326770984 1516309696 1929848704 2653541968 3032619392 5307083936 10614167872 21228335744
• Sum of all divisors σ(n): 59447623680
• Sum of proper divisors (its aliquot sum) s(n): 38219287936
• 21228335744 is an abundant number, because the sum of its proper divisors (38219287936) is greater than itself. Its abundance is 16990952192

Bases of 21228335744

• Binary: 10011110001010011101011001010000000₂
• Hexadecimal: 0x4F14EB280
• Base-36: 9R2SWOW

Squares and roots of 21228335744

• 21228335744 squared (21228335744²) is 450642238459988033536
• 21228335744 cubed (21228335744³) is 9566384738456335486124539510784
• The square root of 21228335744 is 145699.4706373363
• The cube root of 21228335744 is 2768.8875332259

Scales and comparisons

• 21,228,335,744 seconds is equal to 674 years, 51 weeks, 5 days, 7 hours, 55 minutes, 44 seconds.
• To count from 1 to 21,228,335,744 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 21228335744 cubic inches would be around 230.7 feet tall.

Recreational maths with 21228335744

• 21228335744 backwards is 44753382212
• The number of decimal digits it has is: 11
• The sum of 21228335744's digits is 41
• More coming soon!