420911900820

Names of 420911900820

• Cardinal: 420911900820 can be written as Four hundred twenty billion, nine hundred eleven million, nine hundred thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 4.2091190082 × 10¹¹

Factors of 420911900820

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 209

Divisors of 420911900820

• Number of divisors d(n): 234
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 199 243 270 324 398 405 486 540 597 729 796 810 972 995 1194 1215 1458 1620 1791 1990 2187 2388 2430 2916 2985 3582 3645 3980 4374 4860 5373 5970 6561 7164 7290 8748 8955 10746 10935 11940 13122 14580 16119 17910 19683 21492 21870 26244 26865 32238 32805 35820 39366 39601 43740 48357 53730 59049 64476 65610 78732 79202 80595 96714 98415 107460 118098 118803 131220 145071 158404 161190 177147 193428 196830 198005 236196 237606 241785 290142 295245 322380 354294 356409 393660 396010 435213 475212 483570 531441 580284 590490 594015 708588 712818 725355 792020 870426 885735 967140 1062882 1069227 1180980 1188030 1305639 1425636 1450710 1740852 1771470 1782045 2125764 2138454 2176065 2376060 2611278 2657205 2901420 3207681 3542940 3564090 3916917 4276908 4352130 5222556 5314410 5346135 6415362 6528195 7128180 7833834 8704260 9623043 10628820 10692270 11750751 12830724 13056390 15667668 16038405 19246086 19584585 21384540 23501502 26112780 28869129 32076810 35252253 38492172 39169170 47003004 48115215 57738258 58753755 64153620 70504506 78338340 86607387 96230430 105756759 115476516 117507510 141009012 144345645 173214774 176261265 192460860 211513518 235015020 259822161 288691290 346429548 352522530 423027036 433036935 519644322 528783795 577382580 705045060 779466483 866073870 1039288644 1057567590 1299110805 1558932966 1732147740 2115135180 2338399449 2598221610 3117865932 3897332415 4676798898 5196443220 7015198347 7794664830 9353597796 11691997245 14030396694 15589329660 21045595041 23383994490 28060793388 35075991735 42091190082 46767988980 70151983470 84182380164 105227975205 140303966940 210455950410 420911900820
• Sum of all divisors σ(n): 1332567808362
• Sum of proper divisors (its aliquot sum) s(n): 911655907542
• 420911900820 is an abundant number, because the sum of its proper divisors (911655907542) is greater than itself. Its abundance is 490744006722

Bases of 420911900820

• Binary: 110001000000000010011011110100010010100₂
• Hexadecimal: 0x62004DE894
• Base-36: 5DD42T90

Squares and roots of 420911900820

• 420911900820 squared (420911900820²) is 177166828251905516672400
• 420911900820 cubed (420911900820³) is 74571626441760028809624085231368000
• The square root of 420911900820 is 648777.2351277439
• The cube root of 420911900820 is 7494.2883970499

Scales and comparisons

• 420,911,900,820 seconds is equal to 13,383 years, 36 weeks, 1 day, 12 hours, 27 minutes.
• To count from 1 to 420,911,900,820 would take you about twenty-six thousand, seven hundred sixty-seven 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 420911900820 cubic inches would be around 624.5 feet tall.

Recreational maths with 420911900820

• 420911900820 backwards is 028009119024
• 420911900820 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 420911900820's digits is 36
• More coming soon!