18909402733312

Names of 18909402733312

• Cardinal: 18909402733312 can be written as Eighteen trillion, nine hundred nine billion, four hundred two million, seven hundred thirty-three thousand, three hundred twelve.

Scientific notation

• Scientific notation: 1.8909402733312 × 10¹³

Factors of 18909402733312

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 324

Divisors of 18909402733312

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 52 56 64 91 103 104 112 128 182 199 206 208 224 256 364 398 412 416 448 721 728 796 824 832 896 1339 1393 1442 1456 1592 1648 1664 1792 2587 2678 2786 2884 2912 3184 3296 3328 5174 5356 5572 5768 5824 6368 6592 9373 10348 10712 11144 11536 11648 12736 13184 18109 18746 20497 20696 21424 22288 23072 23296 25472 26368 36218 37492 39601 40994 41392 42848 44576 46144 50944 72436 74984 79202 81988 82784 85696 89152 92288 143479 144872 149968 158404 163976 165568 171392 178304 184576 266461 277207 286958 289744 299936 316808 327952 331136 342784 356608 514813 532922 554414 573916 579488 599872 633616 655904 662272 1029626 1065844 1108828 1147832 1158976 1199744 1267232 1311808 1865227 2059252 2131688 2217656 2295664 2317952 2399488 2534464 2623616 3603691 3730454 4078903 4118504 4263376 4435312 4591328 4635904 5068928 5247232 7207382 7460908 7880599 8157806 8237008 8526752 8870624 9182656 10137856 14414764 14921816 15761198 16315612 16474016 17053504 17741248 18365312 28552321 28829528 29843632 31522396 32631224 32948032 34107008 35482496 36730624 53025739 55164193 57104642 57659056 59687264 63044792 65262448 65896064 68214016 70964992 102447787 106051478 110328386 114209284 115318112 119374528 126089584 130524896 131792128 204895574 212102956 220656772 228418568 230636224 238749056 252179168 261049792 371180173 409791148 424205912 441313544 456837136 461272448 477498112 504358336 522099584 717134509 742360346 811701697 819582296 848411824 882627088 913674272 922544896 1008716672 1044199168 1434269018 1484720692 1623403394 1639164592 1696823648 1765254176 1827348544 2017433344 2868538036 2969441384 3246806788 3278329184 3393647296 3530508352 3654697088 5681911879 5737076072 5938882768 6493613576 6556658368 6787294592 7061016704 7309394176 10552122061 11363823758 11474152144 11877765536 12987227152 13113316736 13574589184 14122033408 21104244122 22727647516 22948304288 23755531072 25974454304 26226633472 42208488244 45455295032 45896608576 47511062144 51948908608 73864854427 84416976488 90910590064 91793217152 95022124288 103897817216 147729708854 168833952976 181821180128 183586434304 207795634432 295459417708 337667905952 363642360256 590918835416 675335811904 727284720512 1181837670832 1350671623808 1454569441024 2363675341664 2701343247616 4727350683328 9454701366656 18909402733312
• Sum of all divisors σ(n): 47143234611200
• Sum of proper divisors (its aliquot sum) s(n): 28233831877888
• 18909402733312 is an abundant number, because the sum of its proper divisors (28233831877888) is greater than itself. Its abundance is 9324429144576

Bases of 18909402733312

• Binary: 100010011001010110000001110111001101100000000₂
• Hexadecimal: 0x1132B03B9B00
• Base-36: 6PAUY5SSG

Squares and roots of 18909402733312

• 18909402733312 squared (18909402733312²) is 357565511730587336594489344
• 18909402733312 cubed (18909402733312³) is 6761350264856472181954970963190457827328
• The square root of 18909402733312 is 4348494.3064596509
• The cube root of 18909402733312 is 26641.5366345127

Scales and comparisons

• 18,909,402,733,312 seconds is equal to 601,260 years, 26 weeks, 5 days, 22 hours, 21 minutes, 52 seconds.
• To count from 1 to 18,909,402,733,312 would take you about one million, five hundred three thousand, one hundred fifty-one 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 18909402733312 cubic inches would be around 2220.1 feet tall.

Recreational maths with 18909402733312

• 18909402733312 backwards is 21333720490981
• 18909402733312 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18909402733312's digits is 52
• More coming soon!