21118668480

Names of 21118668480

• Cardinal: 21118668480 can be written as Twenty-one billion, one hundred eighteen million, six hundred sixty-eight thousand, four hundred eighty.

Scientific notation

• Scientific notation: 2.111866848 × 10¹⁰

Factors of 21118668480

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1412

Divisors of 21118668480

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 28 30 32 35 36 39 40 42 45 48 52 56 60 61 63 64 65 70 72 78 80 84 90 91 96 104 105 112 117 120 122 126 130 140 144 156 160 168 180 182 183 192 195 208 210 224 234 240 244 252 260 273 280 288 305 312 315 320 336 360 364 366 390 416 420 427 448 455 468 480 488 504 520 546 549 560 576 585 610 624 630 672 720 728 732 780 793 819 832 840 854 910 915 936 960 976 1008 1040 1092 1098 1120 1170 1220 1248 1260 1281 1321 1344 1365 1440 1456 1464 1560 1586 1638 1680 1708 1820 1830 1872 1952 2016 2080 2135 2184 2196 2240 2340 2379 2440 2496 2520 2562 2642 2730 2745 2880 2912 2928 3120 3172 3276 3360 3416 3640 3660 3744 3843 3904 3963 3965 4032 4095 4160 4270 4368 4392 4680 4758 4880 5040 5124 5284 5460 5490 5551 5824 5856 6240 6344 6405 6552 6605 6720 6832 7137 7280 7320 7488 7686 7926 7930 8190 8540 8736 8784 9247 9360 9516 9760 10080 10248 10568 10920 10980 11102 11712 11889 11895 12480 12688 12810 13104 13210 13664 14274 14560 14640 15372 15852 15860 16380 16653 17080 17173 17472 17568 18494 18720 19032 19215 19520 19815 20160 20496 21136 21840 21960 22204 23778 23790 25376 25620 26208 26420 27328 27741 27755 28548 29120 29280 30744 31704 31720 32760 33306 34160 34346 35136 35685 36988 37440 38064 38430 39630 40992 42272 43680 43920 44408 46235 47556 47580 49959 50752 51240 51519 52416 52840 55482 55510 57096 58560 59445 61488 63408 63440 65520 66612 68320 68692 71370 73976 76128 76860 79260 80581 81984 83223 83265 84544 85865 87360 87840 88816 92470 95112 95160 99918 102480 103038 105680 110964 111020 114192 118890 120211 122976 126816 126880 131040 133224 136640 137384 138705 142740 147952 152256 153720 154557 158520 161162 166446 166530 171730 175680 177632 184940 190224 190320 199836 204960 206076 211360 221928 222040 228384 237780 240422 241743 245952 249795 253632 253760 257595 262080 266448 274768 277410 285480 295904 307440 309114 317040 322324 332892 333060 343460 355264 360633 369880 380448 380640 399672 402905 409920 412152 416115 422720 443856 444080 456768 475560 480844 483486 499590 515190 532896 549536 554820 564067 570960 591808 601055 614880 618228 634080 644648 665784 666120 686920 721266 725229 739760 760896 761280 772785 799344 805810 824304 832230 887712 888160 951120 961688 966972 999180 1030380 1047553 1065792 1081899 1099072 1109640 1128134 1141920 1202110 1208715 1229760 1236456 1268160 1289296 1331568 1332240 1373840 1442532 1450458 1479520 1545570 1598688 1611620 1648608 1664460 1692201 1775424 1776320 1803165 1902240 1923376 1933944 1998360 2060760 2095106 2163798 2219280 2256268 2283840 2404220 2417430 2472912 2578592 2663136 2664480 2747680 2820335 2885064 2900916 2959040 3091140 3142659 3197376 3223240 3297216 3328920 3384402 3606330 3626145 3804480 3846752 3867888 3996720 4121520 4190212 4327596 4438560 4512536 4808440 4834860 4945824 5076603 5157184 5237765 5326272 5328960 5409495 5495360 5640670 5770128 5801832 6182280 6285318 6446480 6657840 6768804 7212660 7252290 7332871 7693504 7735776 7993440 8243040 8380424 8461005 8655192 8877120 9025072 9427977 9616880 9669720 9891648 10153206 10475530 10818990 11281340 11540256 11603664 12364560 12570636 12892960 13315680 13537608 14425320 14504580 14665742 15471552 15713295 15986880 16486080 16760848 16922010 17310384 18050144 18855954 19233760 19339440 20306412 20951060 21637980 21998613 22562680 23080512 23207328 24729120 25141272 25383015 25785920 26631360 27075216 28850640 29009160 29331484 31426590 33521696 33844020 34620768 36100288 36664355 37711908 38467520 38678880 40612824 41902120 43275960 43997226 45125360 46414656 47139885 49458240 50282544 50766030 54150432 57701280 58018320 58662968 62853180 65995839 67043392 67688040 69241536 73328710 75423816 77357760 81225648 83804240 86551920 87994452 90250720 94279770 100565088 101532060 108300864 109993065 115402560 116036640 117325936 125706360 131991678 135376080 146657420 150847632 162451296 167608480 173103840 175988904 180501440 188559540 201130176 203064120 219986130 232073280 234651872 251412720 263983356 270752160 293314840 301695264 324902592 329979195 335216960 346207680 351977808 377119080 406128240 439972260 469303744 502825440 527966712 541504320 586629680 603390528 659958390 703955616 754238160 812256480 879944520 1005650880 1055933424 1173259360 1319916780 1407911232 1508476320 1624512960 1759889040 2111866848 2346518720 2639833560 3016952640 3519778080 4223733696 5279667120 7039556160 10559334240 21118668480
• Sum of all divisors σ(n): 90936763008
• Sum of proper divisors (its aliquot sum) s(n): 69818094528
• 21118668480 is an abundant number, because the sum of its proper divisors (69818094528) is greater than itself. Its abundance is 48699426048

Bases of 21118668480

• Binary: 10011101010110001010100111011000000₂
• Hexadecimal: 0x4EAC54EC0
• Base-36: 9P9ICW0

Squares and roots of 21118668480

• 21118668480 squared (21118668480²) is 445998158368145510400
• 21118668480 cubed (21118668480³) is 9418887249267402826537992192000
• The square root of 21118668480 is 145322.6358142461
• The cube root of 21118668480 is 2764.1112013471

Scales and comparisons

• 21,118,668,480 seconds is equal to 671 years, 26 weeks, 3 days, 48 minutes.
• To count from 1 to 21,118,668,480 would take you about one thousand, three hundred forty-three 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 21118668480 cubic inches would be around 230.3 feet tall.

Recreational maths with 21118668480

• 21118668480 backwards is 08486681112
• 21118668480 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21118668480's digits is 45
• More coming soon!