21383792640

Names of 21383792640

• Cardinal: 21383792640 can be written as Twenty-one billion, three hundred eighty-three million, seven hundred ninety-two thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.138379264 × 10¹⁰

Factors of 21383792640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 173

Divisors of 21383792640

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 29 30 32 35 36 40 42 45 48 54 56 58 60 63 64 70 72 80 81 84 87 90 96 105 108 112 116 120 126 127 128 135 140 144 145 160 162 168 174 180 189 192 203 210 216 224 232 240 252 254 256 261 270 280 288 290 315 320 324 336 348 360 378 381 384 405 406 420 432 435 448 464 480 504 508 512 522 540 560 567 576 580 609 630 635 640 648 672 696 720 756 762 768 783 810 812 840 864 870 889 896 928 945 960 1008 1015 1016 1024 1044 1080 1120 1134 1143 1152 1160 1218 1260 1270 1280 1296 1305 1344 1392 1440 1512 1524 1536 1566 1620 1624 1680 1728 1740 1778 1792 1827 1856 1890 1905 1920 2016 2030 2032 2048 2088 2160 2240 2268 2286 2304 2320 2349 2436 2520 2540 2560 2592 2610 2667 2688 2784 2835 2880 3024 3045 3048 3072 3132 3240 3248 3360 3429 3456 3480 3556 3584 3654 3683 3712 3780 3810 3840 3915 4032 4060 4064 4176 4320 4445 4480 4536 4572 4608 4640 4698 4872 5040 5080 5120 5184 5220 5334 5376 5481 5568 5670 5715 5760 6048 6090 6096 6144 6264 6480 6496 6720 6858 6912 6960 7112 7168 7308 7366 7424 7560 7620 7680 7830 8001 8064 8120 8128 8352 8640 8890 8960 9072 9135 9144 9216 9280 9396 9744 10080 10160 10240 10287 10368 10440 10668 10752 10962 11049 11136 11340 11430 11520 11745 12096 12180 12192 12528 12960 12992 13335 13440 13716 13824 13920 14224 14336 14616 14732 14848 15120 15240 15360 15660 16002 16128 16240 16256 16443 16704 17145 17280 17780 17920 18144 18270 18288 18415 18432 18560 18792 19488 20160 20320 20574 20736 20880 21336 21504 21924 22098 22272 22680 22860 23040 23490 24003 24192 24360 24384 25056 25781 25920 25984 26670 26880 27405 27432 27648 27840 28448 29232 29464 29696 30240 30480 30720 31320 32004 32256 32480 32512 32886 33147 33408 34290 34560 35560 35840 36288 36540 36576 36830 37120 37584 38976 40005 40320 40640 41148 41472 41760 42672 43008 43848 44196 44544 45360 45720 46080 46980 48006 48384 48720 48768 50112 51435 51562 51840 51968 53340 53760 54810 54864 55245 55296 55680 56896 58464 58928 59392 60480 60960 62640 64008 64512 64960 65024 65772 66294 66816 68580 69120 71120 71680 72009 72576 73080 73152 73660 74240 75168 77343 77952 80010 80640 81280 82215 82296 82944 83520 85344 87696 88392 89088 90720 91440 92160 93960 96012 96768 97440 97536 99441 100224 102870 103124 103680 103936 106680 107520 109620 109728 110490 111360 113792 116928 117856 120015 120960 121920 125280 128016 128905 129024 129920 130048 131544 132588 133632 137160 138240 142240 144018 145152 146160 146304 147320 148480 150336 154686 155904 160020 161280 162560 164430 164592 165735 165888 167040 170688 175392 176784 178176 181440 182880 187920 192024 193536 194880 195072 198882 200448 205740 206248 207360 207872 213360 215040 219240 219456 220980 222720 227584 232029 233856 235712 240030 241920 243840 250560 256032 257810 259840 260096 263088 265176 267264 274320 276480 284480 288036 290304 292320 292608 294640 296960 298323 300672 309372 311808 320040 322560 325120 328860 329184 331470 334080 341376 350784 353568 360045 362880 365760 375840 384048 386715 387072 389760 390144 397764 400896 411480 412496 414720 415744 426720 438480 438912 441960 445440 455168 464058 467712 471424 480060 483840 487680 497205 501120 512064 515620 519680 526176 530352 534528 548640 568960 576072 580608 584640 585216 589280 596646 601344 618744 623616 640080 645120 650240 657720 658368 662940 668160 682752 696087 701568 707136 720090 725760 731520 751680 768096 773430 779520 780288 795528 801792 822960 824992 829440 853440 876960 877824 883920 890880 910336 928116 935424 942848 960120 967680 975360 994410 1002240 1024128 1031240 1039360 1052352 1060704 1097280 1137920 1152144 1160145 1161216 1169280 1170432 1178560 1193292 1202688 1237488 1247232 1280160 1300480 1315440 1316736 1325880 1336320 1365504 1392174 1403136 1414272 1440180 1451520 1463040 1491615 1503360 1536192 1546860 1559040 1591056 1603584 1645920 1649984 1706880 1753920 1755648 1767840 1820672 1856232 1870848 1885696 1920240 1935360 1950720 1988820 2004480 2048256 2062480 2078720 2088261 2104704 2121408 2194560 2275840 2304288 2320290 2338560 2340864 2357120 2386584 2405376 2474976 2560320 2630880 2633472 2651760 2672640 2731008 2784348 2806272 2828544 2880360 2903040 2926080 2983230 3006720 3072384 3093720 3118080 3182112 3291840 3299968 3413760 3480435 3507840 3511296 3535680 3712464 3741696 3771392 3840480 3901440 3977640 4008960 4096512 4124960 4176522 4209408 4242816 4389120 4551680 4608576 4640580 4677120 4714240 4773168 4810752 4949952 5120640 5261760 5266944 5303520 5462016 5568696 5612544 5657088 5760720 5806080 5852160 5966460 6013440 6144768 6187440 6236160 6364224 6583680 6599936 6827520 6960870 7015680 7022592 7071360 7424928 7542784 7680960 7955280 8017920 8193024 8249920 8353044 8418816 8485632 8778240 9103360 9217152 9281160 9354240 9428480 9546336 9899904 10241280 10441305 10523520 10533888 10607040 11137392 11225088 11314176 11521440 11704320 11932920 12026880 12289536 12374880 12728448 13167360 13199872 13655040 13921740 14031360 14142720 14849856 15361920 15910560 16386048 16499840 16706088 16837632 16971264 17556480 18434304 18562320 18708480 18856960 19092672 19799808 20482560 20882610 21047040 21067776 21214080 22274784 22628352 23042880 23865840 24053760 24579072 24749760 25456896 26334720 26399744 27310080 27843480 28062720 28285440 29699712 30723840 31821120 32999680 33412176 33675264 33942528 35112960 36868608 37124640 37713920 38185344 39599616 40965120 41765220 42094080 42428160 44549568 46085760 47731680 49158144 49499520 50913792 52669440 52799488 55686960 56125440 56570880 59399424 61447680 63642240 65999360 66824352 67885056 73737216 74249280 76370688 79199232 81930240 83530440 84188160 84856320 89099136 92171520 95463360 98999040 101827584 105338880 111373920 113141760 118798848 122895360 127284480 131998720 133648704 147474432 148498560 152741376 158398464 167060880 168376320 169712640 178198272 184343040 190926720 197998080 203655168 222747840 237597696 245790720 254568960 263997440 267297408 296997120 305482752 334121760 339425280 356396544 368686080 381853440 395996160 445495680 475195392 509137920 534594816 593994240 610965504 668243520 712793088 737372160 763706880 791992320 890991360 1018275840 1069189632 1187988480 1336487040 1425586176 1527413760 1781982720 2138379264 2375976960 2672974080 3054827520 3563965440 4276758528 5345948160 7127930880 10691896320 21383792640
• Sum of all divisors σ(n): 91329638400
• Sum of proper divisors (its aliquot sum) s(n): 69945845760
• 21383792640 is an abundant number, because the sum of its proper divisors (69945845760) is greater than itself. Its abundance is 48562053120

Bases of 21383792640

• Binary: 10011111010100100101100100000000000₂
• Hexadecimal: 0x4FA92C800
• Base-36: 9TNCW00

Squares and roots of 21383792640

• 21383792640 squared (21383792640²) is 457266587670518169600
• 21383792640 cubed (21383792640³) is 9778093891946741180078751744000
• The square root of 21383792640 is 146231.9822747405
• The cube root of 21383792640 is 2775.6300337181

Scales and comparisons

• 21,383,792,640 seconds is equal to 679 years, 48 weeks, 5 days, 14 hours, 24 minutes.
• To count from 1 to 21,383,792,640 would take you about one thousand, three hundred fifty-nine 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 21383792640 cubic inches would be around 231.3 feet tall.

Recreational maths with 21383792640

• 21383792640 backwards is 04629738312
• 21383792640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21383792640's digits is 45
• More coming soon!