1644345248431872

Names of 1644345248431872

• Cardinal: 1644345248431872 can be written as One quadrillion, six hundred forty-four trillion, three hundred forty-five billion, two hundred forty-eight million, four hundred thirty-one thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.644345248431872 × 10¹⁵

Factors of 1644345248431872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 38910662

Divisors of 1644345248431872

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 64 84 96 98 112 128 147 168 192 196 224 256 294 336 384 392 448 588 672 768 784 896 1123 1176 1344 1568 1792 2246 2352 2688 3136 3369 4492 4704 5376 6272 6738 7861 8984 9408 12544 13476 15722 17968 18816 23583 26952 31444 35936 37632 47166 53904 55027 62888 71872 94332 107808 110054 125776 143744 165081 188664 215616 220108 251552 287488 330162 377328 431232 440216 503104 660324 754656 862464 880432 1006208 1320648 1509312 1760864 2012416 2641296 3018624 3521728 5282592 6037248 7043456 10565184 14086912 21130368 38909527 42260736 77819054 116728581 155638108 233457162 272366689 311276216 466914324 544733378 622552432 817100067 933828648 1089466756 1245104864 1634200134 1867657296 1906566823 2178933512 2490209728 3268400268 3735314592 3813133646 4357867024 4980419456 5719700469 6536800536 7470629184 7626267292 8715734048 9960838912 11439400938 13073601072 14941258368 15252534584 17431468096 22878801876 26147202144 29882516736 30505069168 34862936192 43695398821 45757603752 52294404288 61010138336 69725872384 87390797642 91515207504 104588808576 122020276672 131086196463 174781595284 183030415008 209177617152 244040553344 262172392926 305867791747 349563190568 366060830016 488081106688 524344785852 611735583494 699126381136 732121660032 917603375241 1048689571704 1223471166988 1398252762272 1464243320064 1835206750482 2097379143408 2141074542229 2446942333976 2796505524544 3670413500964 4194758286816 4282149084458 4893884667952 5593011049088 6423223626687 7340827001928 8389516573632 8564298168916 9787769335904 11186022098176 12846447253374 14681654003856 16779033147264 17128596337832 19575538671808 25692894506748 29363308007712 33558066294528 34257192675664 39151077343616 51385789013496 58726616015424 68514385351328 78302154687232 102771578026992 117453232030848 137028770702656 205543156053984 234906464061696 274057541405312 411086312107968 548115082810624 822172624215936 1644345248431872
• Sum of all divisors σ(n): 5095396927963776
• Sum of proper divisors (its aliquot sum) s(n): 3451051679531904
• 1644345248431872 is an abundant number, because the sum of its proper divisors (3451051679531904) is greater than itself. Its abundance is 1806706431100032

Bases of 1644345248431872

• Binary: 101110101111000010111110110011010111011111100000000₂
• Hexadecimal: 0x5D785F66BBF00
• Base-36: G6VDS16HHC

Squares and roots of 1644345248431872

• 1644345248431872 squared (1644345248431872²) is 2703871296040474846075025424384
• 1644345248431872 cubed (1644345248431872³) is 4446097918015482333170591460789127107311566848
• The square root of 1644345248431872 is 40550527.1042420853
• The cube root of 1644345248431872 is 118031.4301135019

Scales and comparisons

• 1,644,345,248,431,872 seconds is equal to 52,285,092 years, 31 weeks, 3 days, 16 hours, 51 minutes, 12 seconds.
• To count from 1 to 1,644,345,248,431,872 would take you about one hundred fifty-six million, eight hundred fifty-five thousand, two 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 1644345248431872 cubic inches would be around 9836 feet tall.

Recreational maths with 1644345248431872

• 1644345248431872 backwards is 2781348425434461
• The number of decimal digits it has is: 16
• The sum of 1644345248431872's digits is 66
• More coming soon!