20987907200

Names of 20987907200

• Cardinal: 20987907200 can be written as Twenty billion, nine hundred eighty-seven million, nine hundred seven thousand, two hundred.

Scientific notation

• Scientific notation: 2.09879072 × 10¹⁰

Factors of 20987907200

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 217

Divisors of 20987907200

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 64 65 80 100 104 128 130 160 169 197 200 208 260 320 325 338 394 400 416 520 640 650 676 788 800 832 845 985 1040 1300 1352 1576 1600 1664 1690 1970 2080 2561 2600 2704 3152 3200 3380 3940 4160 4225 4925 5122 5200 5408 6304 6760 7880 8320 8450 9850 10244 10400 10816 12608 12805 13520 15760 16900 19700 20488 20800 21632 25216 25610 27040 31520 33293 33800 38809 39400 40976 41600 51220 54080 63040 64025 66586 67600 77618 78800 81952 102440 108160 126080 128050 133172 135200 155236 157600 163904 166465 194045 204880 256100 266344 270400 310472 315200 327808 332930 388090 409760 504517 512200 532688 540800 620944 630400 665860 776180 819520 832325 970225 1009034 1024400 1065376 1241888 1331720 1552360 1639040 1664650 1940450 2018068 2048800 2130752 2483776 2522585 2663440 3104720 3329300 3880900 4036136 4097600 4261504 4967552 5045170 5326880 6209440 6558721 6658600 7761800 8072272 8195200 10090340 10653760 12418880 12612925 13117442 13317200 15523600 16144544 20180680 21307520 24837760 25225850 26234884 26634400 31047200 32289088 32793605 40361360 50451700 52469768 53268800 62094400 64578176 65587210 80722720 100903400 104939536 106537600 124188800 131174420 161445440 163968025 201806800 209879072 262348840 322890880 327936050 403613600 419758144 524697680 655872100 807227200 839516288 1049395360 1311744200 1614454400 2098790720 2623488400 4197581440 5246976800 10493953600 20987907200
• Sum of all divisors σ(n): 56428111305
• Sum of proper divisors (its aliquot sum) s(n): 35440204105
• 20987907200 is an abundant number, because the sum of its proper divisors (35440204105) is greater than itself. Its abundance is 14452296905

Bases of 20987907200

• Binary: 10011100010111110100000110010000000₂
• Hexadecimal: 0x4E2FA0C80
• Base-36: 9N3NOU8

Squares and roots of 20987907200

• 20987907200 squared (20987907200²) is 440492248635811840000
• 20987907200 cubed (20987907200³) is 9245010436687745494581248000000
• The square root of 20987907200 is 144872.0373294999
• The cube root of 20987907200 is 2758.3945013913

Scales and comparisons

• 20,987,907,200 seconds is equal to 667 years, 18 weeks, 1 day, 14 hours, 13 minutes, 20 seconds.
• To count from 1 to 20,987,907,200 would take you about one thousand, three hundred thirty-four 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 20987907200 cubic inches would be around 229.9 feet tall.

Recreational maths with 20987907200

• 20987907200 backwards is 00270978902
• The number of decimal digits it has is: 11
• The sum of 20987907200's digits is 44
• More coming soon!