20688631040

Names of 20688631040

• Cardinal: 20688631040 can be written as Twenty billion, six hundred eighty-eight million, six hundred thirty-one thousand and forty.

Scientific notation

• Scientific notation: 2.068863104 × 10¹⁰

Factors of 20688631040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 373

Divisors of 20688631040

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 49 55 56 64 70 77 80 88 98 110 112 128 140 154 157 160 176 191 196 220 224 245 256 280 308 314 320 352 382 385 392 440 448 490 539 560 616 628 640 704 764 770 784 785 880 896 955 980 1078 1099 1120 1232 1256 1280 1337 1408 1528 1540 1568 1570 1727 1760 1792 1910 1960 2101 2156 2198 2240 2464 2512 2674 2695 2816 3056 3080 3136 3140 3454 3520 3820 3920 4202 4312 4396 4480 4928 5024 5348 5390 5495 6112 6160 6272 6280 6685 6908 7040 7640 7693 7840 8404 8624 8635 8792 8960 9359 9856 10048 10505 10696 10780 10990 12089 12224 12320 12544 12560 13370 13816 14080 14707 15280 15386 15680 16808 17248 17270 17584 18718 19712 20096 21010 21392 21560 21980 24178 24448 24640 25120 26740 27632 29414 29987 30560 30772 31360 33616 34496 34540 35168 37436 38465 40192 42020 42784 43120 43960 46795 48356 48896 49280 50240 53480 55264 58828 59974 60445 61120 61544 62720 67232 68992 69080 70336 73535 74872 76930 84040 84623 85568 86240 87920 93590 96712 98560 100480 102949 106960 110528 117656 119948 120890 122240 123088 134464 137984 138160 140672 147070 149744 149935 153860 168080 169246 171136 172480 175840 187180 193424 200960 205898 209909 213920 221056 235312 239896 241780 244480 246176 268928 276320 281344 294140 299488 299870 307720 329857 336160 338492 342272 344960 351680 374360 386848 411796 419818 423115 427840 442112 470624 479792 483560 492352 514745 537856 552640 588280 598976 599740 615440 659714 672320 676984 689920 703360 748720 773696 823592 839636 846230 855680 941248 959584 967120 984704 1029490 1049545 1105280 1176560 1197952 1199480 1230880 1319428 1344640 1353968 1406720 1469363 1497440 1547392 1647184 1649285 1679272 1692460 1711360 1882496 1919168 1934240 1969408 2058980 2099090 2210560 2308999 2353120 2395904 2398960 2461760 2638856 2689280 2707936 2938726 2994880 3094784 3294368 3298570 3358544 3384920 3764992 3838336 3868480 4117960 4198180 4617998 4706240 4797920 4923520 5277712 5415872 5877452 5989760 6588736 6597140 6717088 6769840 7346815 7676672 7736960 8235920 8396360 9235996 9412480 9595840 9847040 10555424 10831744 11544995 11754904 11979520 13177472 13194280 13434176 13539680 14693630 15473920 16162993 16471840 16792720 18471992 18824960 19191680 21110848 21663488 23089990 23509808 26354944 26388560 26868352 27079360 29387260 32325986 32943680 33585440 36943984 38383360 42221696 46179980 47019616 52777120 53736704 54158720 58774520 64651972 65887360 67170880 73887968 80814965 84443392 92359960 94039232 105554240 108317440 117549040 129303944 131774720 134341760 147775936 161629930 184719920 188078464 211108480 235098080 258607888 268683520 295551872 323259860 369439840 376156928 422216960 470196160 517215776 591103744 646519720 738879680 940392320 1034431552 1293039440 1477759360 1880784640 2068863104 2586078880 2955518720 4137726208 5172157760 10344315520 20688631040
• Sum of all divisors σ(n): 63618960384
• Sum of proper divisors (its aliquot sum) s(n): 42930329344
• 20688631040 is an abundant number, because the sum of its proper divisors (42930329344) is greater than itself. Its abundance is 22241698304

Bases of 20688631040

• Binary: 10011010001001000110111010100000000₂
• Hexadecimal: 0x4D1237500
• Base-36: 9I5H5VK

Squares and roots of 20688631040

• 20688631040 squared (20688631040²) is 428019454309251481600
• 20688631040 cubed (20688631040³) is 8855136568146241961395748864000
• The square root of 20688631040 is 143835.4304057245
• The cube root of 20688631040 is 2745.2206148037

Scales and comparisons

• 20,688,631,040 seconds is equal to 657 years, 43 weeks, 2 days, 17 hours, 57 minutes, 20 seconds.
• To count from 1 to 20,688,631,040 would take you about one thousand, three hundred fifteen 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 20688631040 cubic inches would be around 228.8 feet tall.

Recreational maths with 20688631040

• 20688631040 backwards is 04013688602
• The number of decimal digits it has is: 11
• The sum of 20688631040's digits is 38
• More coming soon!