21988121610

Names of 21988121610

• Cardinal: 21988121610 can be written as Twenty-one billion, nine hundred eighty-eight million, one hundred twenty-one thousand, six hundred ten.

Scientific notation

• Scientific notation: 2.198812161 × 10¹⁰

Factors of 21988121610

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 277

Divisors of 21988121610

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 7 10 13 14 15 21 26 29 30 35 39 42 58 61 65 70 78 87 91 105 122 130 145 157 174 182 183 195 203 210 273 290 305 314 366 377 390 406 427 435 455 471 546 609 610 754 785 793 841 854 870 910 915 942 1015 1099 1131 1218 1281 1365 1570 1586 1682 1769 1830 1885 2030 2041 2135 2198 2262 2355 2379 2523 2562 2639 2730 3045 3297 3538 3770 3965 4082 4205 4270 4553 4710 4758 5046 5278 5307 5495 5551 5655 5887 6090 6123 6405 6594 7917 7930 8410 8845 9106 9577 10205 10614 10933 10990 11102 11310 11774 11895 12246 12383 12615 12810 13195 13659 14287 15834 16485 16653 17661 17690 19154 20410 21866 22765 22997 23790 24766 25230 26390 26535 27318 27755 28574 28731 29435 30615 31871 32799 32970 33306 35322 37149 39585 42861 45530 45994 47885 51301 53070 54665 55510 57462 58870 59189 61230 61915 63742 65598 67039 68295 68991 71435 74298 76531 79170 83265 85722 88305 95613 95770 102602 109330 114985 118378 123830 124501 132037 134078 136590 137982 142870 143655 153062 153903 159355 160979 163995 166530 176610 177567 185745 191226 201117 214305 229593 229970 249002 256505 264074 277733 287310 295945 307806 318710 321958 327990 335195 344955 355134 359107 371490 373503 382655 396111 402234 414323 428610 459186 478065 482937 513010 555466 591890 622505 660185 666913 670390 689910 718214 747006 765310 769515 792222 804895 828646 833199 871507 887835 924259 956130 965874 1005585 1077321 1147965 1242969 1245010 1320370 1333826 1388665 1539030 1609790 1666398 1716481 1743014 1775670 1795535 1848518 1867515 1944131 1980555 2000739 2011170 2071615 2154642 2295930 2414685 2485938 2614521 2772777 2777330 3334565 3432962 3591070 3610529 3735030 3888262 3961110 4001478 4143230 4165995 4357535 4621295 4668391 4829370 5149443 5229042 5386605 5545554 5832393 6214845 6669130 7221058 8054257 8331990 8582405 8715070 9242590 9336782 9720655 10003695 10298886 10773210 10831587 11664786 12015367 12429690 13072605 13863885 14005173 16108514 17164810 18052645 19441310 20007390 21663174 23341955 24030734 24162771 25273703 25747215 26145210 27727770 28010346 29161965 36046101 36105290 40271285 46683910 48325542 50547406 51494430 54157935 56379799 58323930 60076835 70025865 72092202 75821109 80542570 104705341 108315870 112759598 120153670 120813855 126368515 140051730 151642218 169139397 180230505 209410682 241627710 252737030 281898995 314116023 338278794 360461010 379105545 523526705 563797990 628232046 732937387 758211090 845696985 1047053410 1465874774 1570580115 1691393970 2198812161 3141160230 3664686935 4397624322 7329373870 10994060805 21988121610
• Sum of all divisors σ(n): 68804596224
• Sum of proper divisors (its aliquot sum) s(n): 46816474614
• 21988121610 is an abundant number, because the sum of its proper divisors (46816474614) is greater than itself. Its abundance is 24828353004

Bases of 21988121610

• Binary: 10100011110100110000001110000001010₂
• Hexadecimal: 0x51E981C0A
• Base-36: A3N5R7U

Squares and roots of 21988121610

• 21988121610 squared (21988121610²) is 483477491936148992100
• 21988121610 cubed (21988121610³) is 10630761888389838393373729281000
• The square root of 21988121610 is 148283.9222909887
• The cube root of 21988121610 is 2801.5349411399

Scales and comparisons

• 21,988,121,610 seconds is equal to 699 years, 8 weeks, 3 hours, 33 minutes, 30 seconds.
• To count from 1 to 21,988,121,610 would take you about one thousand, three hundred ninety-eight 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 21988121610 cubic inches would be around 233.5 feet tall.

Recreational maths with 21988121610

• 21988121610 backwards is 01612188912
• 21988121610 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21988121610's digits is 39
• More coming soon!