18389220711840

Names of 18389220711840

• Cardinal: 18389220711840 can be written as Eighteen trillion, three hundred eighty-nine billion, two hundred twenty million, seven hundred eleven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.838922071184 × 10¹³

Factors of 18389220711840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1072

Divisors of 18389220711840

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 32 33 36 40 44 45 48 55 60 66 72 80 88 90 96 99 110 120 132 144 160 165 176 180 198 220 240 264 288 330 352 360 396 440 480 495 528 660 720 792 880 990 1051 1056 1320 1440 1584 1760 1980 2102 2640 3153 3168 3960 4204 5255 5280 6306 7920 8408 9459 10510 11561 12612 15765 15840 16816 18918 21020 23122 25224 31530 33632 34683 37836 42040 46244 47295 50448 57805 63060 69366 75672 84080 92488 94590 100896 104049 115610 126120 138732 151344 168160 173415 184976 189180 208098 231220 252240 277464 302688 346830 369952 378360 416196 462440 504480 520245 554928 693660 756720 832392 924880 1040490 1104601 1109856 1387320 1513440 1664784 1849760 2080980 2209202 2774640 3313803 3329568 4161960 4418404 5523005 5549280 6627606 8323920 8836808 9941409 11046010 12150611 13255212 16569015 16647840 17673616 19882818 22092020 24301222 26510424 33138030 35347232 36451833 39765636 44184040 48602444 49707045 53020848 60753055 66276060 72903666 79531272 88368080 97204888 99414090 106041696 109355499 121506110 132552120 145807332 159062544 176736160 182259165 194409776 198828180 218710998 243012220 265104240 291614664 318125088 364518330 388819552 397656360 437421996 486024440 530208480 546777495 583229328 729036660 795312720 874843992 972048880 1093554990 1160935651 1166458656 1458073320 1590625440 1749687984 1944097760 2187109980 2321871302 2916146640 3482806953 3499375968 4374219960 4643742604 5804678255 5832293280 6965613906 8748439920 9287485208 10448420859 11609356510 12770292161 13931227812 17414034765 17496879840 18574970416 20896841718 23218713020 25540584322 27862455624 34828069530 37149940832 38310876483 41793683436 46437426040 51081168644 52242104295 55724911248 63851460805 69656139060 76621752966 83587366872 92874852080 102162337288 104484208590 111449822496 114932629449 127702921610 139312278120 153243505932 167174733744 185749704160 191554382415 204324674576 208968417180 229865258898 255405843220 278624556240 306487011864 334349467488 383108764830 408649349152 417936834360 459730517796 510811686440 557249112480 574663147245 612974023728 766217529660 835873668720 919461035592 1021623372880 1149326294490 1225948047456 1532435059320 1671747337440 1838922071184 2043246745760 2298652588980 3064870118640 3677844142368 4597305177960 6129740237280 9194610355920 18389220711840
• Sum of all divisors σ(n): 68523251614272
• Sum of proper divisors (its aliquot sum) s(n): 50134030902432
• 18389220711840 is an abundant number, because the sum of its proper divisors (50134030902432) is greater than itself. Its abundance is 31744810190592

Bases of 18389220711840

• Binary: 100001011100110010010111101111101110110100000₂
• Hexadecimal: 0x10B992F7DDA0
• Base-36: 6INW37S80

Squares and roots of 18389220711840

• 18389220711840 squared (18389220711840²) is 338163438388765236316185600
• 18389220711840 cubed (18389220711840³) is 6218562105205711441628972378545557504000
• The square root of 18389220711840 is 4288265.4665773667
• The cube root of 18389220711840 is 26394.9660932343

Scales and comparisons

• 18,389,220,711,840 seconds is equal to 584,720 years, 17 weeks, 3 days, 16 hours, 24 minutes.
• To count from 1 to 18,389,220,711,840 would take you about one million, four hundred sixty-one thousand, eight hundred 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 18389220711840 cubic inches would be around 2199.6 feet tall.

Recreational maths with 18389220711840

• 18389220711840 backwards is 04811702298381
• The number of decimal digits it has is: 14
• The sum of 18389220711840's digits is 54
• More coming soon!