145338864440

Names of 145338864440

• Cardinal: 145338864440 can be written as One hundred forty-five billion, three hundred thirty-eight million, eight hundred sixty-four thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.4533886444 × 10¹¹

Factors of 145338864440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 318

Divisors of 145338864440

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 20 22 28 35 40 44 55 56 70 77 88 110 121 140 154 220 242 280 293 308 385 440 484 586 605 616 770 847 968 1172 1210 1331 1465 1540 1694 2051 2344 2420 2662 2930 3080 3223 3388 4102 4235 4840 5324 5860 6446 6655 6776 8204 8470 9317 10255 10648 11720 12892 13310 14641 16115 16408 16940 18634 20510 22561 25784 26620 29282 32230 33880 35453 37268 41020 45122 46585 53240 58564 64460 70906 73205 74536 82040 90244 93170 102487 112805 117128 128920 141812 146410 161051 177265 180488 186340 204974 225610 248171 283624 292820 322102 354530 372680 389983 409948 451220 496342 512435 585640 644204 709060 779966 805255 819896 902440 992684 1024870 1127357 1240855 1288408 1418120 1559932 1610510 1771561 1949915 1985368 2049740 2254714 2481710 2729881 3119864 3221020 3543122 3899830 4099480 4289813 4509428 4963420 5459762 5636785 6442040 7086244 7799660 8579626 8857805 9018856 9926840 10919524 11273570 12400927 13649405 14172488 15599320 17159252 17715610 21449065 21839048 22547140 24801854 27298810 30028691 34318504 35431220 42898130 45094280 47187943 49603708 54597620 60057382 62004635 70862440 85796260 94375886 99207416 109195240 120114764 124009270 150143455 171592520 188751772 235939715 240229528 248018540 300286910 330315601 377503544 471879430 496037080 519067373 600573820 660631202 943758860 1038134746 1201147640 1321262404 1651578005 1887517720 2076269492 2595336865 2642524808 3303156010 3633471611 4152538984 5190673730 6606312020 7266943222 10381347460 13212624040 14533886444 18167358055 20762694920 29067772888 36334716110 72669432220 145338864440
• Sum of all divisors σ(n): 412504414560
• Sum of proper divisors (its aliquot sum) s(n): 267165550120
• 145338864440 is an abundant number, because the sum of its proper divisors (267165550120) is greater than itself. Its abundance is 121826685680

Bases of 145338864440

• Binary: 10000111010110110111110001001100111000₂
• Hexadecimal: 0x21D6DF1338
• Base-36: 1URN09IW

Squares and roots of 145338864440

• 145338864440 squared (145338864440²) is 21123385516708696513600
• 145338864440 cubed (145338864440³) is 3070048864126784597559211016384000
• The square root of 145338864440 is 381233.3464428315
• The cube root of 145338864440 is 5257.6772267333

Scales and comparisons

• 145,338,864,440 seconds is equal to 4,621 years, 16 weeks, 6 days, 18 hours, 47 minutes, 20 seconds.
• To count from 1 to 145,338,864,440 would take you about nine thousand, two hundred forty-two 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 145338864440 cubic inches would be around 438.1 feet tall.

Recreational maths with 145338864440

• 145338864440 backwards is 044468833541
• The number of decimal digits it has is: 12
• The sum of 145338864440's digits is 50
• More coming soon!