1918989356914240

Names of 1918989356914240

• Cardinal: 1918989356914240 can be written as One quadrillion, nine hundred eighteen trillion, nine hundred eighty-nine billion, three hundred fifty-six million, nine hundred fourteen thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.91898935691424 × 10¹⁵

Factors of 1918989356914240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 3030

Divisors of 1918989356914240

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 130 160 169 208 260 320 338 401 416 520 676 802 832 845 1040 1352 1604 1690 2005 2080 2197 2609 2704 3208 3380 4010 4160 4394 5213 5218 5408 6416 6760 8020 8788 10426 10436 10816 10985 12832 13045 13520 16040 17576 20852 20872 21970 25664 26065 26090 27040 32080 33917 35152 41704 41744 43940 52130 52180 54080 64160 67769 67834 70304 83408 83488 87880 104260 104360 128320 135538 135668 140608 166816 166976 169585 175760 208520 208720 271076 271336 333632 338845 339170 351520 417040 417440 440921 542152 542672 677690 678340 703040 834080 834880 880997 881842 1046209 1084304 1085344 1355380 1356680 1668160 1761994 1763684 2092418 2168608 2170688 2204605 2710760 2713360 3523988 3527368 4184836 4337216 4404985 4409210 5231045 5421520 5426720 5731973 6806881 7047976 7054736 8369672 8809970 8818420 10462090 10843040 10853440 11463946 13600717 13613762 14095952 14109472 16739344 17619940 17636840 20924180 21686080 22927892 27201434 27227524 28191904 28218944 28659865 33478688 34034405 35239880 35273680 41848360 45855784 54402868 54455048 56383808 57319730 66957376 68003585 68068810 70479760 70547360 83696720 88489453 91711568 108805736 108910096 114639460 136007170 136137620 140959520 141094720 167393440 176809321 176978906 183423136 217611472 217820192 229278920 272014340 272275240 281919040 334786880 353618642 353957812 366846272 435222944 435640384 442447265 458557840 544028680 544550480 707237284 707915624 870445888 884046605 884894530 917115680 1088057360 1089100960 1150362889 1414474568 1415831248 1768093210 1769789060 1834231360 2176114720 2178201920 2298521173 2300725778 2729559281 2828949136 2831662496 3536186420 3539578120 4352229440 4597042346 4601451556 5459118562 5657898272 5663324992 5751814445 7072372840 7079156240 9194084692 9202903112 10918237124 11315796544 11492605865 11503628890 13647796405 14144745680 14158312480 14954717557 18388169384 18405806224 21836474248 22985211730 23007257780 27295592810 28289491360 28316624960 29909435114 35484270653 36776338768 36811612448 43672948496 45970423460 46014515560 54591185620 56578982720 59818870228 70968541306 73552677536 73623224896 74773587785 87345896992 91940846920 92029031120 109182371240 119637740456 141937082612 147105355072 149547175570 174691793984 177421353265 183881693840 184058062240 218364742480 239275480912 283874165224 299094351140 354842706530 367763387680 368116124480 436729484960 461295518489 478550961824 567748330448 598188702280 709685413060 735526775360 873458969920 922591036978 957101923648 1135496660896 1196377404560 1419370826120 1845182073956 2270993321792 2306477592445 2392754809120 2838741652240 3690364147912 4612955184890 4785509618240 5677483304480 5996841740357 7380728295824 9225910369780 11354966608960 11993683480714 14761456591648 18451820739560 23987366961428 29522913183296 29984208701785 36903641479120 47974733922856 59968417403570 73807282958240 95949467845712 119936834807140 147614565916480 191898935691424 239873669614280 383797871382848 479747339228560 959494678457120 1918989356914240
• Sum of all divisors σ(n): 4964467040179920
• Sum of proper divisors (its aliquot sum) s(n): 3045477683265680
• 1918989356914240 is an abundant number, because the sum of its proper divisors (3045477683265680) is greater than itself. Its abundance is 1126488326351440

Bases of 1918989356914240

• Binary: 110110100010100111110000110111100100101011001000000₂
• Hexadecimal: 0x6D14F86F25640
• Base-36: IW83JG9POG

Squares and roots of 1918989356914240

• 1918989356914240 squared (1918989356914240²) is 3682520151950128394494714777600
• 1918989356914240 cubed (1918989356914240³) is 7066716978214506255587612039853155263873024000
• The square root of 1918989356914240 is 43806270.7487665515
• The cube root of 1918989356914240 is 124267.4887506321

Scales and comparisons

• 1,918,989,356,914,240 seconds is equal to 61,017,925 years, 37 weeks, 5 days, 6 hours, 50 minutes, 40 seconds.
• To count from 1 to 1,918,989,356,914,240 would take you about one hundred eighty-three million, fifty-three thousand, seven hundred seventy-seven 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 1918989356914240 cubic inches would be around 10355.6 feet tall.

Recreational maths with 1918989356914240

• 1918989356914240 backwards is 0424196539898191
• The number of decimal digits it has is: 16
• The sum of 1918989356914240's digits is 79
• More coming soon!