400124401920

Names of 400124401920

• Cardinal: 400124401920 can be written as Four hundred billion, one hundred twenty-four million, four hundred one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 4.0012440192 × 10¹¹

Factors of 400124401920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 47500

Divisors of 400124401920

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 240 256 288 320 360 384 480 576 640 720 743 768 960 1152 1280 1440 1486 1920 2229 2304 2880 2972 3715 3840 4458 5760 5944 6687 7430 8916 11145 11520 11888 13374 14860 17832 22290 23776 26748 29720 33435 35664 44580 46747 47552 53496 59440 66870 71328 89160 93494 95104 106992 118880 133740 140241 142656 178320 186988 190208 213984 233735 237760 267480 280482 285312 356640 373976 420723 427968 467470 475520 534960 560964 570624 701205 713280 747952 841446 855936 934940 951040 1069920 1121928 1402410 1426560 1495904 1682892 1711872 1869880 2103615 2139840 2243856 2804820 2853120 2991808 3365784 3739760 4207230 4279680 4487712 5609640 5983616 6731568 7479520 8414460 8559360 8975424 11219280 11967232 13463136 14959040 16828920 17950848 22438560 26926272 29918080 33657840 34733021 35901696 44877120 53852544 59836160 67315680 69466042 89754240 104199063 107705088 134631360 138932084 173665105 179508480 208398126 269262720 277864168 312597189 347330210 416796252 520995315 538525440 555728336 625194378 694660420 833592504 1041990630 1111456672 1250388756 1389320840 1562985945 1667185008 2083981260 2222913344 2500777512 2778641680 3125971890 3334370016 4167962520 4445826688 5001555024 5557283360 6251943780 6668740032 8335925040 8891653376 10003110048 11114566720 12503887560 13337480064 16671850080 20006220096 22229133440 25007775120 26674960128 33343700160 40012440192 44458266880 50015550240 66687400320 80024880384 100031100480 133374800640 200062200960 400124401920
• Sum of all divisors σ(n): 1386281647296
• Sum of proper divisors (its aliquot sum) s(n): 986157245376
• 400124401920 is an abundant number, because the sum of its proper divisors (986157245376) is greater than itself. Its abundance is 586032843456

Bases of 400124401920

• Binary: 101110100101001010001011101100100000000₂
• Hexadecimal: 0x5D2945D900
• Base-36: 53TBQKG0

Squares and roots of 400124401920

• 400124401920 squared (400124401920²) is 160099537011837699686400
• 400124401920 cubed (400124401920³) is 64059731494530463547129371557888000
• The square root of 400124401920 is 632553.8727412867
• The cube root of 400124401920 is 7368.8267524287

Scales and comparisons

• 400,124,401,920 seconds is equal to 12,722 years, 37 weeks, 2 days, 11 hours, 12 minutes.
• To count from 1 to 400,124,401,920 would take you about twenty-five thousand, four hundred forty-five 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 400124401920 cubic inches would be around 614.1 feet tall.

Recreational maths with 400124401920

• 400124401920 backwards is 029104421004
• The number of decimal digits it has is: 12
• The sum of 400124401920's digits is 27
• More coming soon!