20843917920

Names of 20843917920

• Cardinal: 20843917920 can be written as Twenty billion, eight hundred forty-three million, nine hundred seventeen thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.084391792 × 10¹⁰

Factors of 20843917920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 538

Divisors of 20843917920

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 49 54 56 60 63 70 72 80 81 84 90 96 98 105 108 112 120 126 135 140 144 147 160 162 168 180 189 196 210 216 224 240 243 245 252 270 280 288 294 315 324 336 343 360 378 392 405 420 432 441 480 486 490 504 521 540 560 567 588 630 648 672 686 720 729 735 756 784 810 840 864 882 945 972 980 1008 1029 1042 1080 1120 1134 1176 1215 1260 1296 1323 1372 1440 1458 1470 1512 1563 1568 1620 1680 1701 1715 1764 1890 1944 1960 2016 2058 2084 2160 2205 2268 2352 2430 2520 2592 2605 2646 2744 2835 2916 2940 3024 3087 3126 3240 3360 3402 3430 3528 3645 3647 3780 3888 3920 3969 4116 4168 4320 4410 4536 4689 4704 4860 5040 5103 5145 5210 5292 5488 5670 5832 5880 6048 6174 6252 6480 6615 6804 6860 7056 7290 7294 7560 7776 7815 7840 7938 8232 8336 8505 8820 9072 9261 9378 9720 10080 10206 10290 10420 10584 10941 10976 11340 11664 11760 11907 12348 12504 12960 13230 13608 13720 14067 14112 14580 14588 15120 15435 15630 15876 16464 16672 17010 17640 18144 18235 18522 18756 19440 19845 20412 20580 20840 21168 21882 22680 23328 23445 23520 23814 24696 25008 25515 25529 26460 27216 27440 27783 28134 29160 29176 30240 30870 31260 31752 32823 32928 34020 35280 35721 36470 37044 37512 38880 39690 40824 41160 41680 42201 42336 43764 45360 46305 46890 47628 49392 50016 51030 51058 52920 54432 54705 54880 55566 56268 58320 58352 59535 61740 62520 63504 65646 68040 70335 70560 71442 72940 74088 75024 76587 79380 81648 82320 83349 83360 84402 87528 90720 92610 93780 95256 98469 98784 102060 102116 105840 109410 111132 112536 116640 116704 119070 123480 125040 126603 127008 127645 131292 136080 138915 140670 142884 145880 148176 150048 153174 158760 163296 164115 164640 166698 168804 175056 178605 178703 185220 187560 190512 196938 204120 204232 211005 211680 218820 222264 225072 229761 238140 246960 250047 250080 253206 255290 262584 272160 277830 281340 285768 291760 295407 296352 306348 317520 328230 333396 337608 350112 357210 357406 370440 375120 379809 381024 382935 393876 408240 408464 416745 422010 437640 444528 450144 459522 476280 492345 493920 500094 506412 510580 525168 536109 555660 562680 571536 583520 590814 612696 633015 635040 656460 666792 675216 689283 714420 714812 740880 750240 759618 765870 787752 816480 816928 833490 844020 875280 886221 889056 893515 919044 952560 984690 1000188 1012824 1021160 1050336 1072218 1111320 1125360 1143072 1148805 1181628 1225392 1250235 1266030 1312920 1333584 1350432 1378566 1428840 1429624 1477035 1481760 1519236 1531740 1575504 1608327 1666980 1688040 1750560 1772442 1787030 1838088 1899045 1905120 1969380 2000376 2025648 2042320 2067849 2144436 2222640 2250720 2297610 2363256 2450784 2500470 2532060 2625840 2658663 2667168 2680545 2757132 2857680 2859248 2954070 3038472 3063480 3151008 3216654 3333960 3376080 3446415 3544884 3574060 3676176 3798090 3938760 4000752 4051296 4084640 4135698 4288872 4431105 4445280 4595220 4726512 4824981 5000940 5064120 5251680 5317326 5361090 5514264 5715360 5718496 5908140 6076944 6126960 6203547 6433308 6667920 6752160 6892830 7089768 7148120 7352352 7596180 7877520 8001504 8041635 8271396 8577744 8862210 9190440 9453024 9649962 10001880 10128240 10339245 10634652 10722180 11028528 11816280 12153888 12253920 12407094 12866616 13293315 13335840 13785660 14179536 14296240 14474943 15192360 15755040 16083270 16542792 17155488 17724420 18380880 18610641 19299924 20003760 20256480 20678490 21269304 21444360 22057056 23632560 24124905 24814188 25733232 26586630 27571320 28359072 28592480 28949886 30384720 31017735 32166540 33085584 35448840 36761760 37221282 38599848 40007520 41356980 42538608 42888720 43424829 47265120 48249810 49628376 51466464 53173260 55142640 57899772 60769440 62035470 64333080 66171168 70897680 72374715 74442564 77199696 82713960 85077216 85777440 86849658 93053205 96499620 99256752 106346520 110285280 115799544 124070940 128666160 130274487 141795360 144749430 148885128 154399392 165427920 173699316 186106410 192999240 198513504 212693040 217124145 231599088 248141880 257332320 260548974 289498860 297770256 330855840 347398632 372212820 385998480 425386080 434248290 463198176 496283760 521097948 578997720 595540512 651372435 694797264 744425640 771996960 868496580 992567520 1042195896 1157995440 1302744870 1389594528 1488851280 1736993160 2084391792 2315990880 2605489740 2977702560 3473986320 4168783584 5210979480 6947972640 10421958960 20843917920
• Sum of all divisors σ(n): 86266555200
• Sum of proper divisors (its aliquot sum) s(n): 65422637280
• 20843917920 is an abundant number, because the sum of its proper divisors (65422637280) is greater than itself. Its abundance is 44578719360

Bases of 20843917920

• Binary: 10011011010011001001111001001100000₂
• Hexadecimal: 0x4DA64F260
• Base-36: 9KPXI00

Squares and roots of 20843917920

• 20843917920 squared (20843917920²) is 434468914255697126400
• 20843917920 cubed (20843917920³) is 9056034387537268795061465088000
• The square root of 20843917920 is 144374.2287252125
• The cube root of 20843917920 is 2752.0719556519

Scales and comparisons

• 20,843,917,920 seconds is equal to 662 years, 40 weeks, 1 day, 1 hour, 12 minutes.
• To count from 1 to 20,843,917,920 would take you about one thousand, three hundred twenty-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 20843917920 cubic inches would be around 229.3 feet tall.

Recreational maths with 20843917920

• 20843917920 backwards is 02971934802
• 20843917920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20843917920's digits is 45
• More coming soon!