18699884142420

Names of 18699884142420

• Cardinal: 18699884142420 can be written as Eighteen trillion, six hundred ninety-nine billion, eight hundred eighty-four million, one hundred forty-two thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.869988414242 × 10¹³

Factors of 18699884142420

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2073

Divisors of 18699884142420

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 89 130 156 178 195 260 267 356 390 445 521 534 683 757 780 890 1042 1068 1157 1335 1366 1514 1563 1780 2049 2084 2271 2314 2605 2670 2732 3028 3126 3415 3471 3785 4098 4542 4628 5210 5340 5785 6252 6773 6830 6942 7570 7815 8196 8879 9084 9841 10245 10420 11355 11570 13546 13660 13884 15140 15630 17355 17758 19682 20319 20490 22710 23140 26637 27092 29523 31260 33865 34710 35516 39364 40638 40980 44395 45420 46369 49205 53274 59046 60787 67373 67730 69420 81276 88790 92738 98410 101595 106548 118092 121574 133185 134746 135460 139107 147615 177580 182361 185476 196820 202119 203190 231845 243148 266370 269492 278214 295230 303935 336865 355843 364722 394397 404238 406380 463690 517031 532740 556428 590460 602797 607870 673730 695535 711686 729444 788794 790231 808476 875849 911805 927380 1010595 1034062 1067529 1183191 1205594 1215740 1347460 1391070 1423372 1551093 1577588 1580462 1751698 1779215 1808391 1823610 1971985 2021190 2068124 2135058 2366382 2370693 2411188 2585155 2627547 2782140 3013985 3102186 3160924 3503396 3558430 3616782 3647220 3943970 3951155 4042380 4270116 4379245 4625959 4732764 4741386 5127161 5170310 5255094 5337645 5915955 6027970 6204372 6721403 7116860 7233564 7755465 7887940 7902310 8758490 9041955 9251918 9482772 10254322 10340620 10510188 10675290 11831910 11853465 12055940 13137735 13442806 13877877 15381483 15510930 15804620 17516980 18083910 18503836 20164209 20508644 21350580 23129795 23663820 23706930 25635805 26275470 26885612 27755754 30762966 31021860 31670027 33607015 35101333 36167820 40328418 46015759 46259590 47413860 51271610 52550940 55511508 61525932 63340054 67214030 69389385 70202666 76907415 80656836 92031518 92519180 95010081 100821045 102543220 105303999 126680108 134428060 138047277 138778770 140405332 153814830 158350135 175506665 184063036 190020162 201642090 210607998 230078795 269373151 276094554 277557540 307629660 316700270 351013330 380040324 403284180 411710351 421215996 456317329 460157590 475050405 526519995 538746302 552189108 598204867 633400540 690236385 702026660 808119453 823420702 912634658 920315180 950100810 1053039990 1077492604 1196409734 1235131053 1346865755 1368951987 1380472770 1616238906 1646841404 1794614601 1825269316 1900201620 2058551755 2106079980 2281586645 2392819468 2470262106 2693731510 2737903974 2760945540 2991024335 3232477812 3501850963 3589229202 4040597265 4117103510 4563173290 4940524212 5387463020 5475807948 5982048670 6175655265 6844759935 7003701926 7178458404 8081194530 8234207020 8973073005 9126346580 10505552889 11964097340 12351310530 13689519870 14007403852 16162389060 17509254815 17946146010 21011105778 23974210439 24702621060 27379039740 35018509630 35892292020 42022211556 47948420878 52527764445 70037019260 71922631317 95896841756 105055528890 119871052195 143845262634 210111057780 239742104390 287690525268 311664735707 359613156585 479484208780 623329471414 719226313170 934994207121 1246658942828 1438452626340 1558323678535 1869988414242 3116647357070 3739976828484 4674971035605 6233294714140 9349942071210 18699884142420
• Sum of all divisors σ(n): 57289579845120
• Sum of proper divisors (its aliquot sum) s(n): 38589695702700
• 18699884142420 is an abundant number, because the sum of its proper divisors (38589695702700) is greater than itself. Its abundance is 19889811560280

Bases of 18699884142420

• Binary: 100010000000111100111111100111001111101010100₂
• Hexadecimal: 0x1101E7F39F54
• Base-36: 6MMLW79EC

Squares and roots of 18699884142420

• 18699884142420 squared (18699884142420²) is 349685666939930978843456400
• 18699884142420 cubed (18699884142420³) is 6539081458041576957964058845942660488000
• The square root of 18699884142420 is 4324336.2661129859
• The cube root of 18699884142420 is 26542.7737564587

Scales and comparisons

• 18,699,884,142,420 seconds is equal to 594,598 years, 24 weeks, 4 days, 5 hours, 47 minutes.
• To count from 1 to 18,699,884,142,420 would take you about one million, four hundred eighty-six thousand, four hundred ninety-six 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 18699884142420 cubic inches would be around 2211.9 feet tall.

Recreational maths with 18699884142420

• 18699884142420 backwards is 02424148899681
• The number of decimal digits it has is: 14
• The sum of 18699884142420's digits is 66
• More coming soon!