128521048320

Names of 128521048320

• Cardinal: 128521048320 can be written as One hundred twenty-eight billion, five hundred twenty-one million, forty-eight thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.2852104832 × 10¹¹

Factors of 128521048320

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 30141

Divisors of 128521048320

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 53 56 60 63 64 70 72 80 84 90 96 105 106 112 120 126 128 140 144 159 160 168 180 192 210 212 224 240 252 256 265 280 288 315 318 320 336 360 371 384 420 424 448 477 480 504 530 560 576 630 636 640 672 720 742 768 795 840 848 896 954 960 1008 1060 1113 1120 1152 1260 1272 1280 1344 1440 1484 1590 1680 1696 1792 1855 1908 1920 2016 2120 2226 2240 2304 2385 2520 2544 2688 2880 2968 3180 3339 3360 3392 3710 3816 3840 4032 4240 4452 4480 4770 5040 5088 5376 5565 5760 5936 6360 6678 6720 6784 7420 7632 8064 8480 8904 8960 9540 10080 10176 11130 11520 11872 12720 13356 13440 13568 14840 15264 16128 16695 16960 17808 19080 20160 20352 22260 23744 25440 26712 26880 29680 30071 30528 33390 33920 35616 38160 40320 40704 44520 47488 50880 53424 59360 60142 61056 66780 67840 71232 76320 80640 89040 90213 94976 101760 106848 118720 120284 122112 133560 142464 150355 152640 178080 180426 203520 210497 213696 237440 240568 267120 270639 284928 300710 305280 356160 360852 420994 427392 451065 474880 481136 534240 541278 601420 610560 631491 712320 721704 841988 854784 902130 962272 1052485 1068480 1082556 1202840 1262982 1353195 1424640 1443408 1593763 1683976 1804260 1894473 1924544 2104970 2136960 2165112 2405680 2525964 2706390 2886816 3157455 3187526 3367952 3608520 3788946 3849088 4209940 4273920 4330224 4781289 4811360 5051928 5412780 5773632 6314910 6375052 6735904 7217040 7577892 7698176 7968815 8419880 8660448 9472365 9562578 9622720 10103856 10825560 11156341 11547264 12629820 12750104 13471808 14343867 14434080 15155784 15937630 16839760 17320896 18944730 19125156 19245440 20207712 21651120 22312682 23094528 23906445 25259640 25500208 26943616 28687734 28868160 30311568 31875260 33469023 33679520 34641792 37889460 38250312 38490880 40415424 43302240 44625364 47812890 50519280 51000416 53887232 55781705 57375468 57736320 60623136 63750520 66938046 67359040 69283584 71719335 75778920 76500624 80830848 86604480 89250728 95625780 100407069 101038560 102000832 111563410 114750936 115472640 121246272 127501040 133876092 134718080 143438670 151557840 153001248 161661696 167345115 173208960 178501456 191251560 200814138 202077120 204001664 223126820 229501872 242492544 255002080 267752184 269436160 286877340 303115680 306002496 334690230 346417920 357002912 382503120 401628276 404154240 408003328 446253640 459003744 484985088 502035345 510004160 535504368 573754680 606231360 612004992 669380460 714005824 765006240 803256552 808308480 892507280 918007488 1004070690 1020008320 1071008736 1147509360 1212462720 1224009984 1338760920 1428011648 1530012480 1606513104 1785014560 1836014976 2008141380 2040016640 2142017472 2295018720 2424925440 2677521840 2856023296 3060024960 3213026208 3570029120 3672029952 4016282760 4284034944 4590037440 5355043680 6120049920 6426052416 7140058240 8032565520 8568069888 9180074880 10710087360 12852104832 14280116480 16065131040 18360149760 21420174720 25704209664 32130262080 42840349440 64260524160 128521048320
• Sum of all divisors σ(n): 517799423232
• Sum of proper divisors (its aliquot sum) s(n): 389278374912
• 128521048320 is an abundant number, because the sum of its proper divisors (389278374912) is greater than itself. Its abundance is 260757326592

Bases of 128521048320

• Binary: 1110111101100011100111001000100000000₂
• Hexadecimal: 0x1DEC739100
• Base-36: 1N1I43K0

Squares and roots of 128521048320

• 128521048320 squared (128521048320²) is 16517659861271774822400
• 128521048320 cubed (128521048320³) is 2122866961163834268601829818368000
• The square root of 128521048320 is 358498.3240128187
• The cube root of 128521048320 is 5046.5132722903

Scales and comparisons

• 128,521,048,320 seconds is equal to 4,086 years, 29 weeks, 5 days, 3 hours, 12 minutes.
• To count from 1 to 128,521,048,320 would take you about eight thousand, one hundred seventy-three 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 128521048320 cubic inches would be around 420.5 feet tall.

Recreational maths with 128521048320

• 128521048320 backwards is 023840125821
• 128521048320 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128521048320's digits is 36
• More coming soon!