20994989760

Names of 20994989760

• Cardinal: 20994989760 can be written as Twenty billion, nine hundred ninety-four million, nine hundred eighty-nine thousand, seven hundred sixty.

Scientific notation

• Scientific notation: 2.099498976 × 10¹⁰

Factors of 20994989760

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1139

Divisors of 20994989760

• Number of divisors d(n): 336
• 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 61 64 72 80 90 96 120 122 127 144 160 180 183 192 240 244 254 288 305 320 360 366 381 480 488 508 549 576 610 635 720 732 762 915 941 960 976 1016 1098 1143 1220 1270 1440 1464 1524 1830 1882 1905 1952 2032 2196 2286 2440 2540 2745 2823 2880 2928 3048 3660 3764 3810 3904 4064 4392 4572 4705 4880 5080 5490 5646 5715 5856 6096 7320 7528 7620 7747 8128 8469 8784 9144 9410 9760 10160 10980 11292 11430 11712 12192 14115 14640 15056 15240 15494 16938 17568 18288 18820 19520 20320 21960 22584 22860 23241 24384 28230 29280 30112 30480 30988 33876 35136 36576 37640 38735 40640 42345 43920 45168 45720 46482 56460 57401 58560 60224 60960 61976 67752 69723 73152 75280 77470 84690 87840 90336 91440 92964 112920 114802 116205 119507 121920 123952 135504 139446 150560 154940 169380 172203 175680 180672 182880 185928 225840 229604 232410 239014 247904 271008 278892 287005 301120 309880 338760 344406 348615 358521 365760 371856 451680 459208 464820 478028 495808 516609 542016 557784 574010 597535 619760 677520 688812 697230 717042 743712 861015 903360 918416 929640 956056 1033218 1075563 1115568 1148020 1195070 1239520 1355040 1377624 1394460 1434084 1487424 1722030 1792605 1836832 1859280 1912112 2066436 2151126 2231136 2296040 2390140 2479040 2583045 2710080 2755248 2788920 2868168 3444060 3585210 3673664 3718560 3824224 4132872 4302252 4462272 4592080 4780280 5166090 5377815 5510496 5577840 5736336 6888120 7170420 7289927 7437120 7648448 8265744 8604504 9184160 9560560 10332180 10755630 11020992 11155680 11472672 13776240 14340840 14579854 16531488 17209008 18368320 19121120 20664360 21511260 21869781 22311360 22945344 27552480 28681680 29159708 33062976 34418016 36449635 38242240 41328720 43022520 43739562 55104960 57363360 58319416 65609343 68836032 72899270 82657440 86045040 87479124 109348905 114726720 116638832 131218686 145798540 165314880 172090080 174958248 218697810 233277664 262437372 291597080 328046715 344180160 349916496 437395620 466555328 524874744 583194160 656093430 699832992 874791240 1049749488 1166388320 1312186860 1399665984 1749582480 2099498976 2332776640 2624373720 3499164960 4198997952 5248747440 6998329920 10497494880 20994989760
• Sum of all divisors σ(n): 74054403072
• Sum of proper divisors (its aliquot sum) s(n): 53059413312
• 20994989760 is an abundant number, because the sum of its proper divisors (53059413312) is greater than itself. Its abundance is 32064423552

Bases of 20994989760

• Binary: 10011100011011001100001111011000000₂
• Hexadecimal: 0x4E3661EC0
• Base-36: 9N7VHS0

Squares and roots of 20994989760

• 20994989760 squared (20994989760²) is 440789595022504857600
• 20994989760 cubed (20994989760³) is 9254373033812036454862258176000
• The square root of 20994989760 is 144896.4794603375
• The cube root of 20994989760 is 2758.7047482587

Scales and comparisons

• 20,994,989,760 seconds is equal to 667 years, 29 weeks, 6 days, 13 hours, 36 minutes.
• To count from 1 to 20,994,989,760 would take you about one thousand, three hundred thirty-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 20994989760 cubic inches would be around 229.9 feet tall.

Recreational maths with 20994989760

• 20994989760 backwards is 06798949902
• The number of decimal digits it has is: 11
• The sum of 20994989760's digits is 63
• More coming soon!