21229464620

Names of 21229464620

• Cardinal: 21229464620 can be written as Twenty-one billion, two hundred twenty-nine million, four hundred sixty-four thousand, six hundred twenty.

Scientific notation

• Scientific notation: 2.122946462 × 10¹⁰

Factors of 21229464620

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 584

Divisors of 21229464620

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 7 10 13 14 20 26 28 35 41 49 52 65 70 82 91 97 98 130 140 164 182 194 196 205 245 260 287 364 388 410 419 455 485 490 533 574 637 679 820 838 910 970 980 1066 1148 1261 1274 1358 1435 1676 1820 1940 2009 2095 2132 2522 2548 2665 2716 2870 2933 3185 3395 3731 3977 4018 4190 4753 5044 5330 5447 5740 5866 6305 6370 6790 7462 7954 8036 8380 8827 9506 10045 10660 10894 11732 12610 12740 13580 14665 14924 15908 17179 17654 18655 19012 19885 20090 20531 21788 23765 25220 26117 27235 27839 29330 34358 35308 37310 38129 39770 40180 40643 41062 44135 47530 51701 52234 54470 55678 58660 61789 68716 74620 76258 79540 81286 82124 85895 88270 95060 102655 103402 104468 108940 111356 120253 123578 130585 139195 152516 162572 171790 176540 190645 194873 203215 205310 206804 223327 240506 247156 258505 261170 266903 278390 284501 308945 343580 361907 381290 389746 406430 410620 446654 481012 517010 522340 528359 533806 556780 569002 601265 617890 723814 762580 779492 812860 841771 893308 974365 1034020 1056718 1067612 1116635 1138004 1202530 1235780 1334515 1422505 1447628 1563289 1666363 1683542 1809535 1948730 1991507 2113436 2233270 2405060 2533349 2641795 2669030 2845010 3126578 3332726 3367084 3619070 3698513 3897460 3983014 4208855 4466540 5066698 5283590 5338060 5690020 6253156 6665452 7238140 7397026 7816445 7966028 8331815 8417710 9957535 10133396 10567180 10943023 11664541 12666745 14794052 15632890 16663630 16835420 18492565 19915070 21662719 21886046 23329082 25333490 25889591 31265780 33327260 36985130 39830140 43325438 43772092 46658164 50666980 51779182 54715115 58322705 73970260 81651787 86650876 103558364 108313595 109430230 116645410 129447955 151639033 163303574 216627190 218860460 233290820 258895910 303278066 326607148 408258935 433254380 517791820 606556132 758195165 816517870 1061473231 1516390330 1633035740 2122946462 3032780660 4245892924 5307366155 10614732310 21229464620
• Sum of all divisors σ(n): 57939779520
• Sum of proper divisors (its aliquot sum) s(n): 36710314900
• 21229464620 is an abundant number, because the sum of its proper divisors (36710314900) is greater than itself. Its abundance is 15480850280

Bases of 21229464620

• Binary: 10011110001010111111110110000101100₂
• Hexadecimal: 0x4F15FEC2C
• Base-36: 9R3H3QK

Squares and roots of 21229464620

• 21229464620 squared (21229464620²) is 450690168051831744400
• 21229464620 cubed (21229464620³) is 9567910977238216343932683128000
• The square root of 21229464620 is 145703.3445738293
• The cube root of 21229464620 is 2768.9366134633

Scales and comparisons

• 21,229,464,620 seconds is equal to 675 years, 1 week, 4 days, 9 hours, 30 minutes, 20 seconds.
• To count from 1 to 21,229,464,620 would take you about one thousand, three hundred fifty 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 21229464620 cubic inches would be around 230.7 feet tall.

Recreational maths with 21229464620

• 21229464620 backwards is 02646492212
• The number of decimal digits it has is: 11
• The sum of 21229464620's digits is 38
• More coming soon!