421543980

Names of 421543980

• Cardinal: 421543980 can be written as Four hundred twenty-one million, five hundred forty-three thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 4.2154398 × 10⁸

Factors of 421543980

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 190

Divisors of 421543980

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 13 15 18 20 22 26 27 30 33 36 39 44 45 52 53 54 55 60 65 66 78 90 99 103 106 108 110 117 130 132 135 143 156 159 165 180 195 198 206 212 220 234 260 265 270 286 297 309 318 330 351 390 396 412 429 468 477 495 515 530 540 572 583 585 594 618 636 660 689 702 715 780 795 858 927 954 990 1030 1060 1133 1166 1170 1188 1236 1287 1339 1378 1404 1430 1431 1485 1545 1590 1716 1749 1755 1854 1908 1980 2060 2067 2145 2266 2332 2340 2385 2574 2678 2756 2781 2860 2862 2915 2970 3090 3180 3399 3445 3498 3510 3708 3861 4017 4134 4290 4532 4635 4770 5148 5247 5356 5459 5562 5665 5724 5830 5940 6180 6201 6435 6695 6798 6890 6996 7020 7155 7579 7722 8034 8268 8580 8745 9270 9540 10197 10335 10494 10918 11124 11330 11660 12051 12402 12870 13390 13596 13780 13905 14310 14729 15158 15444 15741 16068 16377 16995 17490 18540 18603 19305 20085 20394 20670 20988 21836 22660 22737 24102 24804 25740 26235 26780 27295 27810 28620 29458 30316 30591 31005 31482 32754 33990 34980 36153 37206 37895 38610 40170 40788 41340 44187 45474 48204 49131 50985 52470 54590 55620 58916 60049 60255 61182 62010 62964 65508 67980 68211 70967 72306 73645 74412 75790 77220 78705 80340 81885 88374 90948 93015 98262 101970 104940 109180 113685 120098 120510 122364 124020 132561 136422 141934 144612 147290 147393 151580 152955 157410 163770 176748 180147 180765 186030 196524 203940 204633 212901 220935 227370 240196 241020 245655 265122 272844 283868 294580 294786 300245 305910 314820 327540 341055 354835 360294 361530 372060 397683 409266 425802 441870 454740 491310 530244 540441 589572 600490 611820 638703 662805 682110 709670 720588 723060 736965 780637 795366 818532 851604 883740 900735 982620 1023165 1064505 1080882 1200980 1277406 1325610 1364220 1419340 1473930 1561274 1590732 1621323 1801470 1916109 1988415 2046330 2129010 2161764 2341911 2554812 2651220 2702205 2947860 3122548 3193515 3242646 3602940 3832218 3903185 3976830 4092660 4258020 4683822 5404410 6387030 6485292 7025733 7664436 7806370 7953660 8106615 9367644 9580545 10808820 11709555 12774060 14051466 15612740 16213230 19161090 21077199 23419110 28102932 32426460 35128665 38322180 42154398 46838220 70257330 84308796 105385995 140514660 210771990 421543980
• Sum of all divisors σ(n): 1585059840
• Sum of proper divisors (its aliquot sum) s(n): 1163515860
• 421543980 is an abundant number, because the sum of its proper divisors (1163515860) is greater than itself. Its abundance is 741971880

Bases of 421543980

• Binary: 11001001000000100000000101100₂
• Hexadecimal: 0x1920402C
• Base-36: 6YZ5F0

Squares and roots of 421543980

• 421543980 squared (421543980²) is 177699327074240400
• 421543980 cubed (421543980³) is 74908081578197053692792000
• The square root of 421543980 is 20531.5362308815
• The cube root of 421543980 is 749.8037886727

Scales and comparisons

• 421,543,980 seconds is equal to 13 years, 20 weeks, 6 days, 23 hours, 33 minutes.
• To count from 1 to 421,543,980 would take you about twenty 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 421543980 cubic inches would be around 62.5 feet tall.

Recreational maths with 421543980

• 421543980 backwards is 089345124
• 421543980 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 421543980's digits is 36
• More coming soon!