21472017840

Names of 21472017840

• Cardinal: 21472017840 can be written as Twenty-one billion, four hundred seventy-two million, seventeen thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.147201784 × 10¹⁰

Factors of 21472017840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2831

Divisors of 21472017840

• Number of divisors d(n): 600
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 27 28 30 35 36 39 40 42 45 48 52 54 56 60 63 65 70 72 78 80 81 84 90 91 104 105 108 112 117 120 126 130 135 140 144 156 162 168 169 180 182 189 195 208 210 216 234 240 252 260 270 273 280 312 315 324 336 338 351 360 364 378 390 405 420 432 455 468 504 507 520 540 546 560 567 585 624 630 648 676 702 720 728 756 780 810 819 840 845 910 936 945 1008 1014 1040 1053 1080 1092 1134 1170 1183 1260 1296 1352 1365 1404 1456 1512 1521 1560 1620 1638 1680 1690 1755 1820 1872 1890 2028 2106 2160 2184 2268 2340 2366 2457 2520 2535 2704 2730 2801 2808 2835 3024 3042 3120 3240 3276 3380 3510 3549 3640 3780 4056 4095 4212 4368 4536 4563 4680 4732 4914 5040 5070 5265 5460 5602 5616 5670 5915 6084 6480 6552 6760 7020 7098 7280 7371 7560 7605 8112 8190 8403 8424 9072 9126 9360 9464 9828 10140 10530 10647 10920 11204 11340 11830 12168 12285 13104 13520 13689 14005 14040 14196 14742 15120 15210 16380 16806 16848 17745 18252 18928 19607 19656 20280 21060 21294 21840 22408 22680 22815 23660 24336 24570 25209 27378 28010 28080 28392 29484 30420 31941 32760 33612 35490 36413 36504 36855 39214 39312 40560 42015 42120 42588 44816 45360 45630 47320 49140 50418 53235 54756 56020 56784 58821 58968 60840 63882 65520 67224 68445 70980 72826 73008 73710 75627 78428 84030 84240 85176 91260 94640 95823 98035 98280 100836 106470 109239 109512 112040 117642 117936 121680 126045 127764 134448 136890 141960 145652 147420 151254 156856 159705 168060 170352 176463 182065 182520 191646 196070 196560 201672 212940 218478 219024 224080 226881 235284 252090 254891 255528 273780 283920 291304 294105 294840 302508 313712 319410 327717 336120 352926 364130 365040 378135 383292 392140 403344 425880 436956 453762 470568 473369 479115 504180 509782 511056 529389 546195 547560 582608 588210 589680 605016 638820 655434 672240 705852 728260 756270 764673 766584 784280 851760 873912 882315 907524 941136 946738 958230 983151 1008360 1019564 1058778 1092390 1095120 1134405 1176420 1210032 1274455 1277640 1310868 1411704 1420107 1456520 1512540 1529346 1533168 1568560 1588167 1638585 1747824 1764630 1815048 1893476 1916460 1966302 2016720 2039128 2117556 2184780 2268810 2294019 2352840 2366845 2548910 2555280 2621736 2646945 2823408 2840214 2913040 2949453 3025080 3058692 3176334 3277170 3313583 3529260 3630096 3786952 3823365 3832920 3932604 4078256 4235112 4260321 4369560 4537620 4588038 4705680 4733690 4915755 5097820 5243472 5293890 5680428 5898906 6050160 6117384 6352668 6554340 6627166 6882057 7058520 7100535 7573904 7646730 7665840 7865208 7940835 8470224 8520642 8739120 9075240 9176076 9467380 9831510 9940749 10195640 10587780 11360856 11470095 11797812 12234768 12705336 12780963 13108680 13254332 13764114 14117040 14201070 14747265 15293460 15730416 15881670 16567915 17041284 18150480 18352152 18934760 19663020 19881498 20391280 20646171 21175560 21301605 22721712 22940190 23595624 25410672 25561926 26217360 26508664 27528228 28402140 29494530 29822247 30586920 31763340 33135830 34082568 34410285 36704304 37869520 38342889 39326040 39762996 41292342 42351120 42603210 45880380 47191248 49703745 51123852 53017328 55056456 56804280 58989060 59644494 61173840 63526680 63904815 66271660 68165136 68820570 76685778 78652080 79525992 82584684 85206420 89466741 91760760 99407490 102247704 103230855 110112912 113608560 117978120 119288988 127053360 127809630 132543320 137641140 149111235 153371556 159051984 165169368 170412840 178933482 183521520 191714445 198814980 204495408 206461710 235956240 238577976 255619260 265086640 268400223 275282280 298222470 306743112 330338736 340825680 357866964 383428890 397629960 412923420 447333705 477155952 511238520 536800446 550564560 596444940 613486224 715733928 766857780 795259920 825846840 894667410 1022477040 1073600892 1192889880 1342001115 1431467856 1533715560 1651693680 1789334820 2147201784 2385779760 2684002230 3067431120 3578669640 4294403568 5368004460 7157339280 10736008920 21472017840
• Sum of all divisors σ(n): 92322492768
• Sum of proper divisors (its aliquot sum) s(n): 70850474928
• 21472017840 is an abundant number, because the sum of its proper divisors (70850474928) is greater than itself. Its abundance is 49378457088

Bases of 21472017840

• Binary: 10011111111110101001111110110110000₂
• Hexadecimal: 0x4FFD4FDB0
• Base-36: 9V3VV00

Squares and roots of 21472017840

• 21472017840 squared (21472017840²) is 461047550121278265600
• 21472017840 cubed (21472017840³) is 9899621221292381082567458304000
• The square root of 21472017840 is 146533.3335456477
• The cube root of 21472017840 is 2779.4420252417

Scales and comparisons

• 21,472,017,840 seconds is equal to 682 years, 38 weeks, 4 days, 17 hours, 24 minutes.
• To count from 1 to 21,472,017,840 would take you about one thousand, three hundred sixty-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 21472017840 cubic inches would be around 231.6 feet tall.

Recreational maths with 21472017840

• 21472017840 backwards is 04871027412
• 21472017840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21472017840's digits is 36
• More coming soon!