18955995520

Names of 18955995520

• Cardinal: 18955995520 can be written as Eighteen billion, nine hundred fifty-five million, nine hundred ninety-five thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.895599552 × 10¹⁰

Factors of 18955995520

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 42

Divisors of 18955995520

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 17 20 22 28 32 34 35 40 44 55 56 64 68 70 77 80 85 88 110 112 119 121 128 136 140 154 160 170 176 187 220 224 238 242 272 280 289 308 320 340 352 374 385 440 448 476 484 544 560 578 595 605 616 640 680 704 748 770 847 880 896 935 952 968 1088 1120 1156 1190 1210 1232 1309 1331 1360 1408 1445 1496 1540 1694 1760 1870 1904 1936 2023 2057 2176 2240 2312 2380 2420 2464 2618 2662 2720 2890 2992 3080 3179 3388 3520 3740 3808 3872 4046 4114 4235 4480 4624 4760 4840 4928 5236 5324 5440 5780 5984 6160 6358 6545 6655 6776 7040 7480 7616 7744 8092 8228 8470 9248 9317 9520 9680 9856 10115 10285 10472 10648 10880 11560 11968 12320 12716 13090 13310 13552 14399 14641 14960 15232 15488 15895 16184 16456 16940 18496 18634 19040 19360 20230 20570 20944 21296 22253 22627 23120 23936 24640 25432 26180 26620 27104 28798 29282 29920 31790 32368 32912 33880 34969 36992 37268 38080 38720 40460 41140 41888 42592 44506 45254 46240 46585 49280 50864 52360 53240 54208 57596 58564 59840 63580 64736 65824 67760 69938 71995 73205 74536 76160 77440 80920 82280 83776 85184 89012 90508 92480 93170 101728 102487 104720 106480 108416 111265 113135 115192 117128 119680 127160 129472 131648 135520 139876 143990 146410 149072 158389 161840 164560 167552 170368 174845 178024 181016 184960 186340 203456 204974 209440 212960 222530 226270 230384 234256 244783 248897 254320 258944 263296 271040 279752 287980 292820 298144 316778 323680 329120 349690 356048 362032 372680 384659 406912 409948 418880 425920 445060 452540 460768 468512 489566 497794 508640 512435 542080 559504 575960 585640 596288 633556 647360 658240 699380 712096 724064 745360 769318 791945 819896 837760 851840 890120 905080 921536 937024 979132 995588 1017280 1024870 1119008 1151920 1171280 1192576 1223915 1244485 1267112 1294720 1316480 1398760 1424192 1448128 1490720 1538636 1583890 1639792 1742279 1780240 1810160 1843072 1874048 1923295 1958264 1991176 2034560 2049740 2238016 2303840 2342560 2447830 2488970 2534224 2692613 2797520 2848384 2896256 2981440 3077272 3167780 3279584 3484558 3560480 3620320 3846590 3916528 3982352 4099480 4231249 4476032 4607680 4685120 4895660 4977940 5068448 5385226 5595040 5962880 6154544 6335560 6559168 6969116 7120960 7240640 7693180 7833056 7964704 8198960 8462498 8711395 9215360 9370240 9791320 9955880 10136896 10770452 11190080 12309088 12671120 13118336 13463065 13938232 14241920 14481280 15386360 15666112 15929408 16397920 16924996 17422790 19582640 19911760 20273792 21156245 21540904 22380160 24618176 25342240 26926130 27876464 29618743 30772720 31332224 31858816 32795840 33849992 34845580 39165280 39823520 42312490 43081808 49236352 50684480 53852260 55752928 59237486 61545440 65591680 67699984 69691160 78330560 79647040 84624980 86163616 101368960 107704520 111505856 118474972 123090880 135399968 139382320 148093715 156661120 159294080 169249960 172327232 215409040 223011712 236949944 246181760 270799936 278764640 296187430 338499920 344654464 430818080 473899888 541599872 557529280 592374860 676999840 861636160 947799776 1115058560 1184749720 1353999680 1723272320 1895599552 2369499440 2707999360 3791199104 4738998880 9477997760 18955995520
• Sum of all divisors σ(n): 60517436400
• Sum of proper divisors (its aliquot sum) s(n): 41561440880
• 18955995520 is an abundant number, because the sum of its proper divisors (41561440880) is greater than itself. Its abundance is 22605445360

Bases of 18955995520

• Binary: 10001101001110111011000100110000000₂
• Hexadecimal: 0x469DD8980
• Base-36: 8PHWRR4

Squares and roots of 18955995520

• 18955995520 squared (18955995520²) is 359329766154260070400
• 18955995520 cubed (18955995520³) is 6811453437422801523417284608000
• The square root of 18955995520 is 137680.7739664475
• The cube root of 18955995520 is 2666.3400277695

Scales and comparisons

• 18,955,995,520 seconds is equal to 602 years, 38 weeks, 4 days, 2 hours, 18 minutes, 40 seconds.
• To count from 1 to 18,955,995,520 would take you about one thousand, two hundred 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 18955995520 cubic inches would be around 222.2 feet tall.

Recreational maths with 18955995520

• 18955995520 backwards is 02559955981
• The number of decimal digits it has is: 11
• The sum of 18955995520's digits is 58
• More coming soon!