21635994996

Names of 21635994996

• Cardinal: 21635994996 can be written as Twenty-one billion, six hundred thirty-five million, nine hundred ninety-four thousand, nine hundred ninety-six.

Scientific notation

• Scientific notation: 2.1635994996 × 10¹⁰

Factors of 21635994996

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 13953

Divisors of 21635994996

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 14 17 18 21 22 27 28 33 34 36 42 44 51 54 63 66 68 77 84 99 102 108 119 121 126 132 153 154 187 189 198 204 231 238 242 252 297 306 308 357 363 374 378 396 459 462 476 484 561 594 612 693 714 726 748 756 847 918 924 1071 1089 1122 1188 1309 1386 1428 1452 1683 1694 1836 2057 2079 2142 2178 2244 2541 2618 2772 3213 3267 3366 3388 3927 4114 4158 4284 4356 5049 5082 5236 6171 6426 6534 6732 7623 7854 8228 8316 10098 10164 11781 12342 12852 13068 13913 14399 15246 15708 18513 20196 22869 23562 24684 27826 28798 30492 35343 37026 41739 43197 45738 47124 55539 55652 57596 70686 74052 83478 86394 91476 97391 111078 125217 129591 141372 153043 166956 172788 194782 222156 236521 250434 259182 292173 306086 375651 388773 389564 459129 473042 500868 518364 584346 612172 709563 751302 777546 876519 918258 946084 1071301 1168692 1377387 1419126 1502604 1555092 1655647 1683473 1753038 1836516 2128689 2142602 2601731 2629557 2754774 2838252 3213903 3311294 3366946 3506076 4132161 4257378 4285204 4966941 5050419 5203462 5259114 5509548 6386067 6427806 6622588 6733892 7805193 8264322 8514756 9641709 9933882 10100838 10406924 10518228 11784311 12772134 12855612 14900823 15151257 15610386 16528644 18212117 19283418 19867764 20201676 23415579 23568622 25544268 28619041 28925127 29801646 30302514 31220772 35352933 36424234 38566836 44702469 45453771 46831158 47137244 54636351 57238082 57850254 59603292 60605028 70246737 70705866 72848468 85857123 89404938 90907542 93662316 106058799 109272702 114476164 115700508 140493474 141411732 163909053 171714246 178809876 181815084 200333287 212117598 218545404 257571369 280986948 318176397 327818106 343428492 400666574 424235196 491727159 515142738 600999861 636352794 655636212 772714107 801333148 983454318 1030285476 1201999722 1272705588 1545428214 1802999583 1966908636 2403999444 3090856428 3605999166 5408998749 7211998332 10817997498 21635994996
• Sum of all divisors σ(n): 74614659840
• Sum of proper divisors (its aliquot sum) s(n): 52978664844
• 21635994996 is an abundant number, because the sum of its proper divisors (52978664844) is greater than itself. Its abundance is 31342669848

Bases of 21635994996

• Binary: 10100001001100110110001010101110100₂
• Hexadecimal: 0x5099B1574
• Base-36: 9XTIGL0

Squares and roots of 21635994996

• 21635994996 squared (21635994996²) is 468116279466937040016
• 21635994996 cubed (21635994996³) is 10128161480092787345233227759936
• The square root of 21635994996 is 147091.7910557895
• The cube root of 21635994996 is 2786.4994228653

Scales and comparisons

• 21,635,994,996 seconds is equal to 687 years, 49 weeks, 5 days, 14 hours, 36 minutes, 36 seconds.
• To count from 1 to 21,635,994,996 would take you about one thousand, three hundred seventy-five 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 21635994996 cubic inches would be around 232.2 feet tall.

Recreational maths with 21635994996

• 21635994996 backwards is 69949953612
• 21635994996 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21635994996's digits is 63
• More coming soon!