3998435805

Names of 3998435805

• Cardinal: 3998435805 can be written as Three billion, nine hundred ninety-eight million, four hundred thirty-five thousand, eight hundred five.

Scientific notation

• Scientific notation: 3.998435805 × 10⁹

Factors of 3998435805

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 193

Divisors of 3998435805

• Number of divisors d(n): 320
• Complete list of divisors:
  1 3 5 7 9 13 15 21 23 27 35 39 45 53 63 65 69 81 89 91 105 115 117 135 159 161 189 195 207 265 267 273 299 315 345 351 371 405 445 455 477 483 567 585 621 623 689 795 801 805 819 897 945 1035 1053 1113 1157 1219 1335 1365 1431 1449 1495 1755 1855 1863 1869 2047 2067 2093 2385 2403 2415 2457 2691 2835 3105 3115 3339 3445 3471 3657 4005 4095 4293 4347 4485 4717 4823 5265 5565 5607 5785 6095 6141 6201 6279 7155 7209 7245 7371 8073 8099 8533 9315 9345 10017 10235 10335 10413 10465 10971 12015 12285 13041 13455 14151 14329 14469 15847 16695 16821 17355 18285 18423 18603 18837 21465 21735 23585 24115 24219 24297 25599 26611 28035 30051 30705 31005 31239 31395 32913 33019 36045 36855 40365 40495 42453 42665 42987 43407 47541 50085 50463 52065 54855 55269 55809 56511 61321 65205 70755 71645 72345 72891 76797 79235 79833 84105 92115 93015 93717 94185 98739 99057 108491 110929 121095 121485 127359 127995 128961 130221 133055 142623 150255 156195 164565 165095 165807 169533 183963 186277 212265 214935 217035 218673 230391 237705 239499 252315 276345 279045 282555 297171 306605 325473 332787 364455 382077 383985 386883 390663 399165 427869 429247 468585 493695 495285 542455 551889 554645 558831 636795 644805 651105 656019 691173 713115 718497 759437 829035 847665 891513 919815 931385 976419 998361 1093365 1151955 1160649 1197495 1283607 1287741 1410383 1485855 1627365 1655667 1663935 1676493 1910385 1934415 1953315 2139345 2146235 2155491 2278311 2674539 2759445 2794155 2929257 2995083 3280095 3455865 3592485 3797185 3863223 4231149 4457565 4882095 4967001 4991805 5029479 5803245 6418035 6438705 6834933 7051915 8278335 8382465 8787771 8985249 9872681 10777455 11391555 11589669 12693447 13372695 14646285 14975415 15088437 19316115 20504799 21155745 24835005 25147395 29618043 34174665 34769007 38080341 43938855 44926245 49363405 57948345 61514397 63467235 75442185 88854129 102523995 114241023 148090215 173845035 190401705 266562387 307571985 444270645 571205115 799687161 1332811935 3998435805
• Sum of all divisors σ(n): 9484231680
• Sum of proper divisors (its aliquot sum) s(n): 5485795875
• 3998435805 is an abundant number, because the sum of its proper divisors (5485795875) is greater than itself. Its abundance is 1487360070

Bases of 3998435805

• Binary: 11101110010100110100100111011101₂
• Hexadecimal: 0xEE5349DD
• Base-36: 1U4KCT9

Squares and roots of 3998435805

• 3998435805 squared (3998435805²) is 15987488886705998025
• 3998435805 cubed (3998435805³) is 63924947996644851011419285125
• The square root of 3998435805 is 63233.1859469379
• The cube root of 3998435805 is 1587.1941079251

Scales and comparisons

• 3,998,435,805 seconds is equal to 127 years, 7 weeks, 1 day, 4 hours, 36 minutes, 45 seconds.
• To count from 1 to 3,998,435,805 would take you about two hundred fifty-four 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 3998435805 cubic inches would be around 132.3 feet tall.

Recreational maths with 3998435805

• 3998435805 backwards is 5085348993
• The number of decimal digits it has is: 10
• The sum of 3998435805's digits is 54
• More coming soon!