20938337440

Names of 20938337440

• Cardinal: 20938337440 can be written as Twenty billion, nine hundred thirty-eight million, three hundred thirty-seven thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.093833744 × 10¹⁰

Factors of 20938337440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 5267

Divisors of 20938337440

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 31 32 38 40 43 62 76 80 86 95 124 152 155 160 172 190 215 248 304 310 344 380 430 496 589 608 620 688 760 817 860 992 1178 1240 1333 1376 1520 1634 1720 2356 2480 2666 2945 3040 3268 3440 4085 4712 4960 5167 5332 5890 6536 6665 6880 8170 9424 10334 10664 11780 13072 13330 16340 18848 20668 21328 23560 25327 25835 26144 26660 32680 41336 42656 47120 50654 51670 53320 65360 82672 94240 98173 101308 103340 106640 126635 130720 160177 165344 196346 202616 206680 213280 222181 253270 320354 392692 405232 413360 444362 490865 506540 640708 785384 800885 810464 826720 888724 981730 1013080 1110905 1281416 1570768 1601770 1777448 1963460 2026160 2221810 2562832 3043363 3141536 3203540 3554896 3926920 4052320 4221439 4443620 5125664 6086726 6407080 6887611 7109792 7853840 8442878 8887240 12173452 12814160 13775222 15216815 15707680 16885756 17774480 21107195 24346904 25628320 27550444 30433630 33771512 34438055 35548960 42214390 48693808 55100888 60867260 67543024 68876110 84428780 97387616 110201776 121734520 130864609 135086048 137752220 168857560 220403552 243469040 261729218 275504440 337715120 486938080 523458436 551008880 654323045 675430240 1046916872 1102017760 1308646090 2093833744 2617292180 4187667488 5234584360 10469168720 20938337440
• Sum of all divisors σ(n): 55010672640
• Sum of proper divisors (its aliquot sum) s(n): 34072335200
• 20938337440 is an abundant number, because the sum of its proper divisors (34072335200) is greater than itself. Its abundance is 13133997760

Bases of 20938337440

• Binary: 10011100000000001011010110010100000₂
• Hexadecimal: 0x4E005ACA0
• Base-36: 9MA58KG

Squares and roots of 20938337440

• 20938337440 squared (20938337440²) is 438413974751305753600
• 20938337440 cubed (20938337440³) is 9179659741754479949490294784000
• The square root of 20938337440 is 144700.8550078401
• The cube root of 20938337440 is 2756.2211746277

Scales and comparisons

• 20,938,337,440 seconds is equal to 665 years, 40 weeks, 1 day, 20 hours, 50 minutes, 40 seconds.
• To count from 1 to 20,938,337,440 would take you about one thousand, three hundred thirty-one 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 20938337440 cubic inches would be around 229.7 feet tall.

Recreational maths with 20938337440

• 20938337440 backwards is 04473383902
• 20938337440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20938337440's digits is 43
• More coming soon!