8428720140

Names of 8428720140

• Cardinal: 8428720140 can be written as Eight billion, four hundred twenty-eight million, seven hundred twenty thousand, one hundred forty.

Scientific notation

• Scientific notation: 8.42872014 × 10⁹

Factors of 8428720140

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 191

Divisors of 8428720140

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 41 45 54 60 61 79 82 90 108 122 123 135 158 164 180 183 205 237 244 246 270 305 316 366 369 395 410 474 492 540 549 610 615 711 732 738 790 820 915 948 1098 1107 1185 1220 1230 1422 1476 1580 1647 1830 1845 2133 2196 2214 2370 2460 2501 2745 2844 3239 3294 3555 3660 3690 4266 4428 4740 4819 5002 5490 5535 6241 6478 6588 7110 7380 7503 8235 8532 9638 9717 10004 10665 10980 11070 12482 12505 12956 14220 14457 15006 16195 16470 18723 19276 19434 21330 22140 22509 24095 24964 25010 28914 29151 30012 31205 32390 32940 37446 37515 38868 42660 43371 45018 48190 48585 50020 56169 57828 58302 62410 64780 67527 72285 74892 75030 86742 87453 90036 93615 96380 97170 112338 112545 116604 124820 130113 135054 144570 145755 150060 168507 173484 174906 187230 194340 197579 216855 224676 225090 255881 260226 270108 280845 289140 291510 337014 337635 349812 374460 380701 395158 433710 437265 450180 511762 520452 561690 583020 592737 650565 674028 675270 761402 767643 790316 842535 867420 874530 987895 1023524 1123380 1142103 1185474 1279405 1301130 1350540 1522804 1535286 1685070 1749060 1778211 1903505 1975790 2284206 2302929 2370948 2558810 2602260 2963685 3070572 3370140 3426309 3556422 3807010 3838215 3951580 4568412 4605858 5117620 5334633 5710515 5927370 6852618 6908787 7112844 7614020 7676430 8891055 9211716 10278927 10669266 11421030 11514645 11854740 13705236 13817574 15352860 15608741 17131545 17782110 20557854 21338532 22842060 23029290 26673165 27635148 31217482 34263090 34543935 35564220 41115708 46058580 46826223 51394635 53346330 62434964 68526180 69087870 78043705 93652446 102789270 106692660 138175740 140478669 156087410 187304892 205578540 234131115 280957338 312174820 421436007 468262230 561914676 702393345 842872014 936524460 1404786690 1685744028 2107180035 2809573380 4214360070 8428720140
• Sum of all divisors σ(n): 27652605120
• Sum of proper divisors (its aliquot sum) s(n): 19223884980
• 8428720140 is an abundant number, because the sum of its proper divisors (19223884980) is greater than itself. Its abundance is 10795164840

Bases of 8428720140

• Binary: 111110110011001000001000000001100₂
• Hexadecimal: 0x1F664100C
• Base-36: 3VE8Q30

Squares and roots of 8428720140

• 8428720140 squared (8428720140²) is 71043323198441619600
• 8428720140 cubed (8428720140³) is 598804289055234095736738744000
• The square root of 8428720140 is 91808.0614107497
• The cube root of 8428720140 is 2035.1068279175

Scales and comparisons

• 8,428,720,140 seconds is equal to 268 years, 2 days, 15 hours, 9 minutes.
• To count from 1 to 8,428,720,140 would take you about five hundred thirty-six 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 8428720140 cubic inches would be around 169.6 feet tall.

Recreational maths with 8428720140

• 8428720140 backwards is 0410278248
• 8428720140 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 8428720140's digits is 36
• More coming soon!