20828246985

Names of 20828246985

• Cardinal: 20828246985 can be written as Twenty billion, eight hundred twenty-eight million, two hundred forty-six thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 2.0828246985 × 10¹⁰

Factors of 20828246985

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 660

Divisors of 20828246985

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 5 7 9 13 15 21 27 31 35 39 45 49 63 65 91 93 105 117 135 147 155 169 189 195 217 245 273 279 315 351 403 441 455 465 507 585 601 637 651 735 819 837 845 945 1085 1183 1209 1323 1365 1395 1519 1521 1755 1803 1911 1953 2015 2205 2457 2535 2821 3005 3185 3255 3549 3627 4095 4185 4207 4557 4563 5239 5409 5733 5859 5915 6045 6615 7595 7605 7813 8281 8463 9015 9555 9765 10647 10881 12285 12621 13671 14105 15717 16227 17199 17745 18135 18631 19747 21035 22785 22815 23439 24843 25389 26195 27045 28665 29295 29449 31941 36673 37863 39065 41013 41405 42315 47151 53235 54405 54691 55893 59241 63105 68355 70317 74529 76167 78585 81135 85995 88347 93155 98735 101569 110019 113589 117195 124215 126945 130417 141453 147245 159705 164073 167679 177723 183365 189315 205065 210951 223587 235755 242203 256711 265041 273455 279465 296205 304707 330057 351585 372645 380835 382837 391251 441735 492219 503037 507845 533169 550095 567945 652085 707265 710983 726609 770133 795123 820365 838395 888615 912919 914121 990171 1054755 1117935 1148511 1173753 1211015 1283555 1325205 1476657 1523535 1650285 1695421 1914185 1956255 2132949 2179827 2310399 2461095 2515185 2665845 2738757 2742363 3148639 3445533 3521259 3554915 3633045 3850665 3975615 4564595 4570605 4950855 4976881 5086263 5742555 5868765 6398847 6539481 6931197 7383285 8216271 8477105 9445917 10336599 10664745 10899135 11551995 11867947 13693785 13711815 14930643 15258789 15743195 17227665 17606295 19196541 22040473 24648813 24884405 25431315 28337751 31994235 32697405 34655985 35603841 41081355 44791929 45776367 47229585 51682995 59339735 66121419 74653215 76293945 85013253 95982705 106811523 110202365 123244065 134375787 141688755 154283311 178019205 198364257 223959645 228881835 320434569 330607095 425066265 462849933 534057615 595092771 671878935 771416555 991821285 1388549799 1602172845 2314249665 2975463855 4165649397 6942748995 20828246985
• Sum of all divisors σ(n): 48226268160
• Sum of proper divisors (its aliquot sum) s(n): 27398021175
• 20828246985 is an abundant number, because the sum of its proper divisors (27398021175) is greater than itself. Its abundance is 6569774190

Bases of 20828246985

• Binary: 10011011001011101011101001111001001₂
• Hexadecimal: 0x4D975D3C9
• Base-36: 9KGLM89

Squares and roots of 20828246985

• 20828246985 squared (20828246985²) is 433815872468161590225
• 20828246985 cubed (20828246985³) is 9035624137780131150096661721625
• The square root of 20828246985 is 144319.9465943637
• The cube root of 20828246985 is 2751.3820924905

Scales and comparisons

• 20,828,246,985 seconds is equal to 662 years, 14 weeks, 1 day, 16 hours, 9 minutes, 45 seconds.
• To count from 1 to 20,828,246,985 would take you about one thousand, three hundred twenty-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 20828246985 cubic inches would be around 229.3 feet tall.

Recreational maths with 20828246985

• 20828246985 backwards is 58964282802
• The number of decimal digits it has is: 11
• The sum of 20828246985's digits is 54
• More coming soon!