1638106399440

Names of 1638106399440

• Cardinal: 1638106399440 can be written as One trillion, six hundred thirty-eight billion, one hundred six million, three hundred ninety-nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.63810639944 × 10¹²

Factors of 1638106399440

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4882

Divisors of 1638106399440

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 35 36 40 42 45 48 56 60 63 70 72 80 83 84 90 105 112 120 126 140 144 166 168 180 210 240 249 252 280 315 332 336 360 415 420 498 504 560 581 630 664 720 747 830 840 996 1008 1049 1162 1245 1260 1328 1494 1660 1680 1743 1992 2098 2324 2490 2520 2905 2988 3147 3320 3486 3733 3735 3984 4196 4648 4980 5040 5229 5245 5810 5976 6294 6640 6972 7343 7466 7470 8392 8715 9296 9441 9960 10458 10490 11199 11620 11952 12588 13944 14686 14932 14940 15735 16784 17430 18665 18882 19920 20916 20980 22029 22398 23240 25176 26131 26145 27888 29372 29864 29880 31470 33597 34860 36715 37330 37764 41832 41960 44058 44796 46480 47205 50352 52262 52290 55995 58744 59728 59760 62940 66087 67194 69720 73430 74660 75528 78393 83664 83920 87067 88116 89592 94410 104524 104580 110145 111990 117488 125880 130655 132174 134388 139440 146860 149320 151056 156786 167985 174134 176232 179184 188820 209048 209160 220290 223980 235179 251760 261201 261310 264348 268776 293720 298640 309839 313572 330435 335970 348268 352464 377640 391965 418096 418320 435335 440580 447960 470358 522402 522620 528696 537552 587440 609469 619678 627144 660870 671940 696536 755280 783603 783930 870670 881160 895920 929517 940716 1044804 1045240 1057392 1175895 1218938 1239356 1254288 1306005 1321740 1343880 1393072 1549195 1567206 1567860 1741340 1762320 1828407 1859034 1881432 2089608 2090480 2168873 2351790 2437876 2478712 2612010 2643480 2687760 2788551 3047345 3098390 3134412 3135720 3482680 3656814 3718068 3762864 3915917 3918015 4179216 4337746 4647585 4703580 4875752 4957424 5224020 5286960 5485221 5577102 6094690 6196780 6268824 6271440 6506619 6965360 7313628 7436136 7831834 7836030 8675492 9142035 9295170 9407160 9751504 10448040 10844365 10970442 11154204 11747751 12189380 12393560 12537648 13013238 13942755 14627256 14872272 15663668 15672060 17350984 18284070 18590340 18814320 19519857 19579585 20896080 21688730 21940884 22308408 23495502 24378760 24787120 26026476 27411419 27426105 27885510 29254512 31327336 31344120 32533095 34701968 35243253 36568140 37180680 39039714 39159170 43377460 43881768 44616816 46991004 48757520 52052952 54822838 54852210 55771020 58738755 62654672 62688240 65066190 70486506 73136280 74361360 78079428 78318340 82234257 86754920 87763536 93982008 97599285 104105904 109645676 109704420 111542040 117477510 130132380 137057095 140973012 146272560 156158856 156636680 164468514 173509840 176216265 187964016 195198570 219291352 219408840 223084080 234955020 246702771 260264760 274114190 281946024 312317712 313273360 325021111 328937028 352432530 390397140 411171285 438582704 438817680 469910040 493405542 520529520 548228380 563892048 650042222 657874056 704865060 780794280 822342570 939820080 975063333 986811084 1096456760 1233513855 1300084444 1315748112 1409730120 1561588560 1625105555 1644685140 1950126666 1973622168 2192913520 2275147777 2467027710 2600168888 2819460240 2925189999 3250211110 3289370280 3900253332 3947244336 4550295554 4875316665 4934055420 5200337776 5850379998 6500422220 6578740560 6825443331 7800506664 9100591108 9750633330 9868110840 11375738885 11700759996 13000844440 13650886662 14625949995 15601013328 18201182216 19501266660 19736221680 20476329993 22751477770 23401519992 26001688880 27301773324 29251899990 34127216655 36402364432 39002533320 40952659986 45502955540 46803039984 54603546648 58503799980 68254433310 78005066640 81905319972 91005911080 102381649965 109207093296 117007599960 136508866620 163810639944 182011822160 204763299930 234015199920 273017733240 327621279888 409526599860 546035466480 819053199720 1638106399440
• Sum of all divisors σ(n): 6370729747200
• Sum of proper divisors (its aliquot sum) s(n): 4732623347760
• 1638106399440 is an abundant number, because the sum of its proper divisors (4732623347760) is greater than itself. Its abundance is 3094516948320

Bases of 1638106399440

• Binary: 10111110101100110110000000000001011010000₂
• Hexadecimal: 0x17D66C002D0
• Base-36: KWJA9780

Squares and roots of 1638106399440

• 1638106399440 squared (1638106399440²) is 2683392575886280832313600
• 1638106399440 cubed (1638106399440³) is 4395682550769102461113917700944384000
• The square root of 1638106399440 is 1279885.3071427925
• The cube root of 1638106399440 is 11788.1965649677

Scales and comparisons

• 1,638,106,399,440 seconds is equal to 52,086 years, 37 weeks, 1 day, 19 hours, 24 minutes.
• To count from 1 to 1,638,106,399,440 would take you about one hundred thirty thousand, two hundred sixteen 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 1638106399440 cubic inches would be around 982.3 feet tall.

Recreational maths with 1638106399440

• 1638106399440 backwards is 0449936018361
• The number of decimal digits it has is: 13
• The sum of 1638106399440's digits is 54
• More coming soon!