145728723240

Names of 145728723240

• Cardinal: 145728723240 can be written as One hundred forty-five billion, seven hundred twenty-eight million, seven hundred twenty-three thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.4572872324 × 10¹¹

Factors of 145728723240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 142

Divisors of 145728723240

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 59 60 72 73 81 90 108 118 120 135 146 162 177 180 216 219 236 243 270 292 295 324 354 360 365 405 438 472 486 531 540 584 590 648 657 708 730 810 876 885 972 1062 1080 1095 1180 1215 1314 1416 1460 1593 1620 1752 1770 1944 1971 2124 2190 2360 2430 2628 2655 2920 3186 3240 3285 3481 3540 3942 4248 4307 4380 4779 4860 5256 5310 5913 6372 6570 6962 7080 7884 7965 8614 8760 9558 9720 9855 10443 10620 11826 12744 12921 13140 13924 14337 15768 15930 17228 17405 17739 19116 19710 20886 21240 21535 23652 23895 25842 26280 27848 28674 29565 31329 31860 34456 34810 35478 38232 38763 39420 41772 43070 47304 47790 51684 52215 57348 59130 62658 63720 64605 69620 70956 71685 77526 78840 83544 86140 88695 93987 95580 103368 104430 114696 116289 118260 125316 129210 139240 141912 143370 155052 156645 172280 177390 187974 191160 193815 205379 208860 232578 236520 250632 254113 258420 281961 286740 310104 313290 348867 354780 375948 387630 410758 417720 465156 469935 508226 516840 563922 573480 581445 616137 626580 697734 709560 751896 762339 775260 821516 845883 930312 939870 1016452 1026895 1046601 1127844 1162890 1232274 1253160 1270565 1395468 1409805 1524678 1550520 1643032 1691766 1744335 1848411 1879740 2032904 2053790 2093202 2255688 2287017 2325780 2464548 2541130 2790936 2819610 3049356 3080685 3383532 3488670 3696822 3759480 3811695 4107580 4186404 4229415 4574034 4651560 4929096 5082260 5233005 5545233 5639220 6098712 6161370 6767064 6861051 6977340 7393644 7623390 8215160 8372808 8458830 9148068 9242055 10164520 10466010 11090466 11278440 11435085 12322740 13722102 13954680 14787288 14992667 15246780 16635699 16917660 18296136 18484110 20583153 20932020 22180932 22870170 24645480 27444204 27726165 29985334 30493560 33271398 33835320 34305255 36968220 41166306 41864040 44361864 44978001 45740340 49907097 54888408 55452330 59970668 61749459 66542796 68610510 73936440 74963335 82332612 83178495 89956002 91480680 99814194 102915765 110904660 119941336 123498918 133085592 134934003 137221020 149926670 164665224 166356990 179912004 199628388 205831530 221809320 224890005 246997836 249535485 269868006 274442040 299853340 308747295 332713980 359824008 399256776 404802009 411663060 449780010 493995672 499070970 539736012 599706680 617494590 665427960 674670015 809604018 823326120 899560020 998141940 1079472024 1214406027 1234989180 1349340030 1619208036 1799120040 1996283880 2024010045 2428812054 2469978360 2698680060 3238416072 3643218081 4048020090 4857624108 5397360120 6072030135 7286436162 8096040180 9715248216 12144060270 14572872324 16192080360 18216090405 24288120540 29145744648 36432180810 48576241080 72864361620 145728723240
• Sum of all divisors σ(n): 506472220800
• Sum of proper divisors (its aliquot sum) s(n): 360743497560
• 145728723240 is an abundant number, because the sum of its proper divisors (360743497560) is greater than itself. Its abundance is 215014774320

Bases of 145728723240

• Binary: 10000111101110000110111101100100101000₂
• Hexadecimal: 0x21EE1BD928
• Base-36: 1UY34AI0

Squares and roots of 145728723240

• 145728723240 squared (145728723240²) is 21236860777160516097600
• 145728723240 cubed (145728723240³) is 3094820606681236163442715228224000
• The square root of 145728723240 is 381744.3165785183
• The cube root of 145728723240 is 5262.3741160997

Scales and comparisons

• 145,728,723,240 seconds is equal to 4,633 years, 37 weeks, 4 days, 54 minutes.
• To count from 1 to 145,728,723,240 would take you about nine thousand, two hundred sixty-seven 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 145728723240 cubic inches would be around 438.5 feet tall.

Recreational maths with 145728723240

• 145728723240 backwards is 042327827541
• 145728723240 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 145728723240's digits is 45
• More coming soon!