145438638800

Names of 145438638800

• Cardinal: 145438638800 can be written as One hundred forty-five billion, four hundred thirty-eight million, six hundred thirty-eight thousand, eight hundred.

Scientific notation

• Scientific notation: 1.454386388 × 10¹¹

Factors of 145438638800

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2020

Divisors of 145438638800

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 19 20 25 26 28 35 38 40 50 52 56 65 70 76 80 91 95 100 104 112 113 130 133 140 152 175 182 190 200 208 226 247 260 266 280 304 325 350 364 380 400 452 455 475 494 520 532 560 565 650 665 700 728 760 791 904 910 950 988 1040 1064 1130 1235 1300 1330 1400 1456 1469 1520 1582 1729 1808 1820 1861 1900 1976 2128 2147 2260 2275 2470 2600 2660 2800 2825 2938 3164 3325 3458 3640 3722 3800 3952 3955 4294 4520 4550 4940 5200 5320 5650 5876 6175 6328 6650 6916 7280 7345 7444 7600 7910 8588 8645 9040 9100 9305 9880 10283 10640 10735 11300 11752 12350 12656 13027 13300 13832 14690 14888 15029 15820 17176 17290 18200 18610 19760 19775 20566 21470 22600 23504 24193 24700 26054 26600 27664 27911 29380 29776 30058 31640 34352 34580 35359 36400 36725 37220 39550 41132 42940 43225 45200 46525 48386 49400 51415 52108 53200 53675 55822 58760 60116 63280 65135 69160 70718 73450 74440 75145 79100 82264 85880 86450 93050 96772 98800 102830 104216 107350 111644 117520 120232 120965 130270 138320 139555 141436 146900 148880 150290 158200 164528 169351 171760 172900 176795 186100 193544 195377 205660 208432 210293 214700 223288 240464 241930 247513 257075 260540 279110 282872 293800 300580 316400 325675 338702 345800 353590 372200 375725 387088 390754 411320 420586 429400 446576 459667 483860 495026 514150 521080 558220 565744 587600 601160 604825 651350 677404 691600 697775 707180 744400 751450 781508 822640 841172 846755 858800 883975 919334 967720 976885 990052 1028300 1042160 1051465 1116440 1202320 1209650 1237565 1302700 1354808 1395550 1414360 1472051 1502900 1563016 1682344 1693510 1767950 1838668 1935440 1953770 1980104 2056600 2102930 2232880 2298335 2419300 2475130 2605400 2709616 2733809 2791100 2828720 2944102 3005800 3126032 3217669 3364688 3387020 3535900 3677336 3907540 3960208 3995567 4113200 4205860 4233775 4596670 4838600 4884425 4950260 5210800 5257325 5467618 5582200 5888204 6011600 6187825 6435338 6774040 7071800 7354672 7360255 7815080 7991134 8411720 8467550 9193340 9677200 9768850 9900520 10514650 10935236 11164400 11491675 11776408 12375650 12870676 13548080 13669045 14143600 14720510 15630160 15982268 16088345 16823440 16935100 18386680 19136663 19537700 19801040 19977835 21029300 21870472 22983350 23552816 24751300 25741352 27338090 27968969 29441020 31964536 32176690 33870200 36773360 36801275 38273326 39075400 39955670 42058600 43740944 45966700 49502600 51482704 51942371 54676180 55937938 58882040 63929072 64353380 67740400 68345225 73602550 76546652 78150800 79911340 80441725 84117200 91933400 95683315 99005200 99889175 103884742 109352360 111875876 117764080 128706760 136690450 139844845 147205100 153093304 159822680 160883450 183866800 191366630 199778350 207769484 218704720 223751752 257413520 259711855 273380900 279689690 294410200 306186608 319645360 321766900 363596597 382733260 399556700 415538968 447503504 478416575 519423710 546761800 559379380 588820400 643533800 699224225 727193194 765466520 799113400 831077936 956833150 1038847420 1093523600 1118758760 1287067600 1298559275 1398448450 1454386388 1530933040 1598226800 1817982985 1913666300 2077694840 2237517520 2597118550 2796896900 2908772776 3635965970 3827332600 4155389680 5194237100 5593793800 5817545552 7271931940 7654665200 9089914925 10388474200 11187587600 14543863880 18179829850 20776948400 29087727760 36359659700 72719319400 145438638800
• Sum of all divisors σ(n): 456936587520
• Sum of proper divisors (its aliquot sum) s(n): 311497948720
• 145438638800 is an abundant number, because the sum of its proper divisors (311497948720) is greater than itself. Its abundance is 166059309920

Bases of 145438638800

• Binary: 10000111011100110100011000001011010000₂
• Hexadecimal: 0x21DCD182D0
• Base-36: 1UTAERWW

Squares and roots of 145438638800

• 145438638800 squared (145438638800²) is 21152397655996865440000
• 145438638800 cubed (145438638800³) is 3076375922444494766660363072000000
• The square root of 145438638800 is 381364.1813280319
• The cube root of 145438638800 is 5258.8800740407

Scales and comparisons

• 145,438,638,800 seconds is equal to 4,624 years, 25 weeks, 6 days, 13 hours, 53 minutes, 20 seconds.
• To count from 1 to 145,438,638,800 would take you about nine thousand, two hundred forty-eight 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 145438638800 cubic inches would be around 438.2 feet tall.

Recreational maths with 145438638800

• 145438638800 backwards is 008836834541
• 145438638800 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 145438638800's digits is 50
• More coming soon!