145215345840

Names of 145215345840

• Cardinal: 145215345840 can be written as One hundred forty-five billion, two hundred fifteen million, three hundred forty-five thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.4521534584 × 10¹¹

Factors of 145215345840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1222

Divisors of 145215345840

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 61 80 83 120 122 127 166 183 240 244 249 254 305 332 366 381 415 488 498 508 610 635 664 732 762 830 915 941 976 996 1016 1220 1245 1270 1328 1464 1524 1660 1830 1882 1905 1992 2032 2440 2490 2540 2823 2928 3048 3320 3660 3764 3810 3984 4705 4880 4980 5063 5080 5646 6096 6640 7320 7528 7620 7747 9410 9960 10126 10160 10541 11292 14115 14640 15056 15189 15240 15494 18820 19920 20252 21082 22584 23241 25315 28230 30378 30480 30988 31623 37640 38735 40504 42164 45168 46482 50630 52705 56460 57401 60756 61976 63246 75280 75945 77470 78103 81008 84328 92964 101260 105410 112920 114802 116205 119507 121512 123952 126492 151890 154940 156206 158115 168656 172203 185928 202520 210820 225840 229604 232410 234309 239014 243024 252984 287005 303780 309880 312412 316230 344406 358521 371856 390515 405040 421640 459208 464820 468618 478028 505968 574010 597535 607560 619760 624824 632460 643001 688812 717042 781030 843280 861015 918416 929640 937236 956056 1148020 1171545 1195070 1215120 1249648 1264920 1286002 1377624 1434084 1562060 1722030 1792605 1859280 1874472 1912112 1929003 2296040 2343090 2390140 2529840 2572004 2755248 2868168 3124120 3215005 3444060 3585210 3748944 3858006 4592080 4686180 4764283 4780280 5144008 5736336 6248240 6430010 6888120 7170420 7289927 7716012 9372360 9528566 9560560 9645015 9919081 10288016 12860020 13776240 14292849 14340840 14579854 15432024 18744720 19057132 19290030 19838162 21869781 23821415 25720040 28585698 28681680 29159708 29757243 30864048 36449635 38114264 38580060 39676324 43739562 47642830 49595405 51440080 57171396 58319416 59514486 71464245 72899270 76228528 77160120 79352648 87479124 95285660 99190810 109348905 114342792 116638832 119028972 142928490 145798540 148786215 154320240 158705296 174958248 190571320 198381620 218697810 228685584 238057944 285856980 291597080 297572430 349916496 381142640 396763240 437395620 476115888 571713960 583194160 595144860 605063941 793526480 874791240 1143427920 1190289720 1210127882 1749582480 1815191823 2380579440 2420255764 3025319705 3630383646 4840511528 6050639410 7260767292 9075959115 9681023056 12101278820 14521534584 18151918230 24202557640 29043069168 36303836460 48405115280 72607672920 145215345840
• Sum of all divisors σ(n): 467202097152
• Sum of proper divisors (its aliquot sum) s(n): 321986751312
• 145215345840 is an abundant number, because the sum of its proper divisors (321986751312) is greater than itself. Its abundance is 176771405472

Bases of 145215345840

• Binary: 10000111001111100000100101010010110000₂
• Hexadecimal: 0x21CF8254B0
• Base-36: 1UPLGTYO

Squares and roots of 145215345840

• 145215345840 squared (145215345840²) is 21087496667430805305600
• 145215345840 cubed (145215345840³) is 3062228121460811856722410888704000
• The square root of 145215345840 is 381071.3133259967
• The cube root of 145215345840 is 5256.1873637305

Scales and comparisons

• 145,215,345,840 seconds is equal to 4,617 years, 20 weeks, 5 days, 4 hours, 4 minutes.
• To count from 1 to 145,215,345,840 would take you about nine thousand, two hundred thirty-four 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 145215345840 cubic inches would be around 438 feet tall.

Recreational maths with 145215345840

• 145215345840 backwards is 048543512541
• The number of decimal digits it has is: 12
• The sum of 145215345840's digits is 42
• More coming soon!