19855381392

Names of 19855381392

• Cardinal: 19855381392 can be written as Nineteen billion, eight hundred fifty-five million, three hundred eighty-one thousand, three hundred ninety-two.

Scientific notation

• Scientific notation: 1.9855381392 × 10¹⁰

Factors of 19855381392

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 300

Divisors of 19855381392

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 27 28 33 36 42 44 48 54 56 59 63 66 67 72 77 84 88 99 108 112 118 126 132 134 144 151 154 168 176 177 189 198 201 216 231 236 252 264 268 297 302 308 336 354 378 396 402 413 432 453 462 469 472 504 528 531 536 594 603 604 616 649 693 708 737 756 792 804 826 906 924 938 944 1008 1057 1062 1072 1188 1206 1208 1232 1239 1298 1359 1386 1407 1416 1474 1512 1584 1593 1608 1652 1661 1809 1812 1848 1876 1947 2079 2114 2124 2211 2376 2412 2416 2478 2596 2718 2772 2814 2832 2948 3024 3171 3186 3216 3304 3322 3618 3624 3696 3717 3752 3894 3953 4077 4158 4221 4228 4248 4422 4543 4752 4824 4956 4983 5159 5192 5436 5544 5628 5841 5896 6342 6372 6608 6633 6644 7236 7248 7434 7504 7788 7906 8154 8316 8442 8456 8496 8844 8909 9086 9513 9648 9912 9966 10117 10318 10384 10872 11088 11151 11256 11627 11682 11792 11859 12663 12684 12744 13266 13288 13629 14472 14868 14949 15477 15576 15812 16308 16632 16884 16912 17523 17688 17818 18172 19026 19824 19899 19932 20234 20636 21744 22302 22512 23254 23364 23718 25326 25368 25488 26532 26576 26727 27258 27671 28539 28944 29736 29898 30351 30954 31152 31624 32616 33264 33768 34881 35046 35376 35577 35636 36344 38052 39798 39864 40468 40887 41272 43483 44604 44847 46431 46508 46728 47436 50652 50736 53064 53454 54516 55342 57078 59472 59796 60702 61908 62363 63248 65232 67536 69762 70092 70819 71154 71272 72688 76104 79596 79728 80181 80936 81774 82544 83013 86966 89208 89694 91053 92862 93016 93456 94872 97999 101304 104643 106128 106731 106908 109032 110684 111287 114156 119592 121404 122661 123816 124726 130449 139293 139524 140184 141638 142308 142544 152208 159192 160362 161872 163548 166026 173932 178416 179388 182106 185724 186032 187089 189744 195998 202608 209286 212457 213462 213816 218064 221368 222574 228312 239184 240543 242808 245322 247632 249039 249452 260898 273159 278586 279048 280368 283276 284616 293997 304381 313929 318384 320724 327096 332052 333861 347864 358776 364212 371448 374178 391347 391996 418572 424914 426924 427632 442736 445148 456624 481086 485616 490644 498078 498904 521796 546318 557172 558096 561267 566552 569232 587994 596903 608762 627858 637371 641448 654192 664104 667722 685993 695728 717552 728424 742896 747117 748356 779009 782694 783992 837144 849828 853848 881991 890296 913143 962172 981288 996156 997808 1001583 1043592 1092636 1114344 1122534 1133104 1174041 1175988 1193806 1217524 1255716 1274742 1282896 1328208 1335444 1371986 1456848 1494234 1496712 1558018 1565388 1567984 1674288 1683801 1699656 1707696 1763982 1780592 1790709 1826286 1912113 1924344 1962576 1992312 2003166 2057979 2087184 2185272 2228688 2245068 2337027 2348082 2351976 2387612 2435048 2511432 2549484 2645973 2670888 2739429 2743972 2988468 2993424 3004749 3116036 3130776 3367602 3399312 3527964 3581418 3652572 3824226 3848688 3984624 4006332 4115958 4178321 4370544 4490136 4674054 4696164 4703952 4775224 4870096 5022864 5098968 5291946 5341776 5372127 5478858 5487944 5976936 6009498 6173937 6232072 6261552 6565933 6735204 7011081 7055928 7162836 7305144 7648452 8012664 8218287 8231916 8356642 8980272 9348108 9392328 9550448 10197936 10583892 10744254 10957716 10975888 11953872 12018996 12347874 12464144 12534963 13131866 13470408 14022162 14111856 14325672 14610288 15296904 16025328 16116381 16436574 16463832 16713284 18521811 18696216 18784656 19697799 21033243 21167784 21488508 21915432 24037992 24695748 25069926 26263732 26940816 28044324 28651344 30593808 32232762 32873148 32927664 33426568 37043622 37392432 37604889 39395598 42066486 42335568 42977016 43830864 45961531 48075984 49391496 50139852 52527464 56088648 59093397 64465524 65746296 66853136 74087244 75209778 78791196 84132972 85954032 91923062 98782992 100279704 105054928 112177296 112814667 118186794 128931048 131492592 137884593 148174488 150419556 157582392 168265944 177280191 183846124 200559408 225629334 236373588 257862096 275769186 296348976 300839112 315164784 336531888 354560382 367692248 413653779 451258668 472747176 551538372 601678224 709120764 735384496 827307558 902517336 945494352 1103076744 1240961337 1418241528 1654615116 1805034672 2206153488 2481922674 2836483056 3309230232 4963845348 6618460464 9927690696 19855381392
• Sum of all divisors σ(n): 73823846400
• Sum of proper divisors (its aliquot sum) s(n): 53968465008
• 19855381392 is an abundant number, because the sum of its proper divisors (53968465008) is greater than itself. Its abundance is 34113083616

Bases of 19855381392

• Binary: 10010011111011110010001001110010000₂
• Hexadecimal: 0x49F791390
• Base-36: 94DDQC0

Squares and roots of 19855381392

• 19855381392 squared (19855381392²) is 394236170221779857664
• 19855381392 cubed (19855381392³) is 7827709518274872298982194188288
• The square root of 19855381392 is 140909.1245874447
• The cube root of 19855381392 is 2707.8591949841

Scales and comparisons

• 19,855,381,392 seconds is equal to 631 years, 17 weeks, 4 days, 15 hours, 43 minutes, 12 seconds.
• To count from 1 to 19,855,381,392 would take you about one thousand, two hundred sixty-two 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 19855381392 cubic inches would be around 225.7 feet tall.

Recreational maths with 19855381392

• 19855381392 backwards is 29318355891
• 19855381392 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19855381392's digits is 54
• More coming soon!