80806768640

Names of 80806768640

• Cardinal: 80806768640 can be written as Eighty billion, eight hundred six million, seven hundred sixty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 8.080676864 × 10¹⁰

Factors of 80806768640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 688

Divisors of 80806768640

• Number of divisors d(n): 312
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 37 40 52 64 65 74 80 104 128 130 148 160 169 185 208 256 260 296 320 338 370 416 481 512 520 592 631 640 676 740 832 845 962 1024 1040 1184 1262 1280 1352 1480 1664 1690 1924 2048 2080 2368 2405 2524 2560 2704 2960 3155 3328 3380 3848 4096 4160 4736 4810 5048 5120 5408 5920 6253 6310 6656 6760 7696 8203 8320 9472 9620 10096 10240 10816 11840 12506 12620 13312 13520 15392 16406 16640 18944 19240 20192 20480 21632 23347 23680 25012 25240 26624 27040 30784 31265 32812 33280 37888 38480 40384 41015 43264 46694 47360 50024 50480 53248 54080 61568 62530 65624 66560 75776 76960 80768 82030 86528 93388 94720 100048 100960 106639 108160 116735 123136 125060 131248 133120 151552 153920 161536 164060 173056 186776 189440 200096 201920 213278 216320 233470 246272 250120 262496 266240 303511 307840 323072 328120 346112 373552 378880 400192 403840 426556 432640 466940 492544 500240 524992 533195 607022 615680 646144 656240 692224 747104 757760 800384 807680 853112 865280 933880 985088 1000480 1049984 1066390 1214044 1231360 1292288 1312480 1494208 1517555 1600768 1615360 1706224 1730560 1867760 1970176 2000960 2099968 2132780 2428088 2462720 2584576 2624960 2988416 3035110 3201536 3230720 3412448 3461120 3735520 3945643 4001920 4199936 4265560 4856176 4925440 5249920 5976832 6070220 6403072 6461440 6824896 7471040 7891286 8003840 8399872 8531120 9712352 9850880 10499840 11953664 12140440 12806144 12922880 13649792 14942080 15782572 16007680 16799744 17062240 19424704 19728215 20999680 23907328 24280880 25612288 27299584 29884160 31565144 32015360 33599488 34124480 38849408 39456430 41999360 47814656 48561760 54599168 59768320 63130288 64030720 68248960 77698816 78912860 83998720 95629312 97123520 109198336 119536640 126260576 128061440 136497920 155397632 157825720 167997440 194247040 218396672 239073280 252521152 272995840 310795264 315651440 388494080 436793344 478146560 505042304 545991680 621590528 631302880 776988160 1010084608 1091983360 1243181056 1262605760 1553976320 2020169216 2183966720 2525211520 3107952640 4040338432 5050423040 6215905280 8080676864 10100846080 16161353728 20201692160 40403384320 80806768640
• Sum of all divisors σ(n): 215993131488
• Sum of proper divisors (its aliquot sum) s(n): 135186362848
• 80806768640 is an abundant number, because the sum of its proper divisors (135186362848) is greater than itself. Its abundance is 54379594208

Bases of 80806768640

• Binary: 1001011010000011101010111000000000000₂
• Hexadecimal: 0x12D0757000
• Base-36: 114E9HQ8

Squares and roots of 80806768640

• 80806768640 squared (80806768640²) is 6529733858038487449600
• 80806768640 cubed (80806768640³) is 527646693147290659555370860544000
• The square root of 80806768640 is 284265.3138179191
• The cube root of 80806768640 is 4323.3053806739

Scales and comparisons

• 80,806,768,640 seconds is equal to 2,569 years, 21 weeks, 12 hours, 37 minutes, 20 seconds.
• To count from 1 to 80,806,768,640 would take you about five thousand, one hundred thirty-eight 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 80806768640 cubic inches would be around 360.3 feet tall.

Recreational maths with 80806768640

• 80806768640 backwards is 04686760808
• The number of decimal digits it has is: 11
• The sum of 80806768640's digits is 53
• More coming soon!