640400547468

Names of 640400547468

• Cardinal: 640400547468 can be written as Six hundred forty billion, four hundred million, five hundred forty-seven thousand, four hundred sixty-eight.

Scientific notation

• Scientific notation: 6.40400547468 × 10¹¹

Factors of 640400547468

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2536

Divisors of 640400547468

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 11 12 19 22 33 38 41 44 57 66 76 82 114 121 123 132 164 209 228 242 246 257 363 418 451 484 492 514 627 726 771 779 836 902 1028 1254 1353 1452 1542 1558 1804 2203 2299 2337 2508 2706 2827 3084 3116 4406 4598 4674 4883 4961 5412 5654 6609 6897 8481 8569 8812 9196 9348 9766 9922 10537 11308 13218 13794 14649 14883 16962 17138 19532 19844 21074 24233 25707 26436 27588 29298 29766 31097 31611 33924 34276 41857 42148 48466 51414 53713 58596 59532 62194 63222 72699 83714 90323 93291 94259 96932 102828 107426 115907 124388 125571 126444 145398 161139 167428 180646 186582 188518 200203 214852 231814 251142 266563 270969 282777 290796 322278 347721 361292 373164 377036 400406 460427 463628 502284 533126 541938 565554 566171 590843 600609 644556 695442 799689 800812 920854 993553 1066252 1083876 1131108 1132342 1181686 1201218 1274977 1381281 1390884 1599378 1698513 1716137 1772529 1841708 1987106 2202233 2264684 2363372 2402436 2549954 2762562 2980659 3198756 3397026 3432274 3545058 3824931 3974212 4404466 5064697 5099908 5148411 5525124 5961318 6227881 6606699 6794052 6864548 7090116 7649862 8808932 10129394 10296822 10757249 10929083 11922636 12455762 13213398 15194091 15299724 18683643 18877507 20258788 20593644 21514498 21858166 23213011 24224563 24911524 26426796 30388182 32271747 32787249 37367286 37755014 43028996 43716332 46426022 48449126 56632521 60776364 64543494 65574498 68506691 69639033 72673689 74734572 75510028 92852044 96898252 113265042 118329739 129086988 131148996 137013382 139278066 145347378 205520073 207652577 226530084 236659478 255343121 274026764 278556132 290694756 354989217 411040146 415305154 441047209 473318956 510686242 622957731 709978434 766029363 822080292 830610308 882094418 1021372484 1245915462 1301627129 1323141627 1419956868 1532058726 1764188836 2491830924 2603254258 2646283254 2808774331 3064117452 3904881387 4851519299 5206508516 5292566508 5617548662 7809762774 8426322993 9703038598 11235097324 14554557897 15619525548 16852645986 19406077196 29109115794 33705291972 53366712289 58218231588 106733424578 160100136867 213466849156 320200273734 640400547468
• Sum of all divisors σ(n): 1778771877120
• Sum of proper divisors (its aliquot sum) s(n): 1138371329652
• 640400547468 is an abundant number, because the sum of its proper divisors (1138371329652) is greater than itself. Its abundance is 497970782184

Bases of 640400547468

• Binary: 1001010100011010110110001101111010001100₂
• Hexadecimal: 0x951AD8DE8C
• Base-36: 8671Y8WC

Squares and roots of 640400547468

• 640400547468 squared (640400547468²) is 410112861197314121211024
• 640400547468 cubed (640400547468³) is 262636500834427857194707080756887232
• The square root of 640400547468 is 800250.3030102519
• The cube root of 640400547468 is 8619.5362046997

Scales and comparisons

• 640,400,547,468 seconds is equal to 20,362 years, 39 weeks, 2 days, 8 hours, 57 minutes, 48 seconds.
• To count from 1 to 640,400,547,468 would take you about forty thousand, seven hundred twenty-five 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 640400547468 cubic inches would be around 718.3 feet tall.

Recreational maths with 640400547468

• 640400547468 backwards is 864745004046
• The number of decimal digits it has is: 12
• The sum of 640400547468's digits is 48
• More coming soon!