20378973384

Names of 20378973384

• Cardinal: 20378973384 can be written as Twenty billion, three hundred seventy-eight million, nine hundred seventy-three thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 2.0378973384 × 10¹⁰

Factors of 20378973384

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 2184

Divisors of 20378973384

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 18 21 22 24 27 28 33 36 42 44 49 54 56 63 66 72 77 81 84 88 98 99 108 126 132 147 154 162 168 189 196 198 216 231 243 252 264 294 297 308 324 378 392 396 441 462 486 504 539 567 588 594 616 648 693 729 756 792 882 891 924 972 1078 1134 1176 1188 1323 1386 1458 1512 1617 1701 1764 1782 1848 1944 2079 2156 2161 2187 2268 2376 2646 2673 2772 2916 3234 3402 3528 3564 3969 4158 4312 4322 4374 4536 4851 5103 5292 5346 5544 5832 6237 6468 6483 6804 7128 7938 8019 8316 8644 8748 9702 10206 10584 10692 11907 12474 12936 12966 13608 14553 15127 15309 15876 16038 16632 17288 17496 18711 19404 19449 20412 21384 23771 23814 24057 24948 25932 29106 30254 30618 31752 32076 35721 37422 38808 38898 40824 43659 45381 47542 47628 48114 49896 51864 56133 58212 58347 60508 61236 64152 71313 71442 74844 77796 87318 90762 95084 95256 96228 105889 107163 112266 116424 116694 121016 122472 130977 136143 142626 142884 149688 155592 166397 168399 174636 175041 181524 190168 192456 211778 213939 214326 224532 233388 261954 272286 285252 285768 317667 332794 336798 349272 350082 363048 392931 408429 423556 427878 428652 449064 466776 499191 523908 525123 544572 570504 635334 641817 665588 673596 700164 785862 816858 847112 855756 857304 953001 998382 1047816 1050246 1089144 1164779 1178793 1225287 1270668 1283634 1331176 1347192 1400328 1497573 1571724 1575369 1633716 1711512 1906002 1925451 1996764 2100492 2329558 2357586 2450574 2541336 2567268 2859003 2995146 3143448 3150738 3267432 3494337 3675861 3812004 3850902 3993528 4200984 4492719 4659116 4715172 4726107 4901148 5134536 5718006 5776353 5990292 6301476 6988674 7351722 7624008 7701804 8577009 8985438 9318232 9430344 9452214 9802296 10483011 11027583 11436012 11552706 11980584 12602952 13478157 13977348 14703444 15403608 17154018 17329059 17970876 18904428 20966022 22055166 22872024 23105412 25731027 26956314 27954696 29406888 31449033 33082749 34308036 34658118 35941752 37808856 40434471 41932044 44110332 46210824 51462054 51987177 53912628 62898066 66165498 68616072 69316236 77193081 80868942 83864088 88220664 94347099 102924108 103974354 107825256 121303413 125796132 132330996 138632472 154386162 161737884 188694198 205848216 207948708 231579243 242606826 251592264 264661992 283041297 308772324 323475768 363910239 377388396 415897416 463158486 485213652 566082594 617544648 727820478 754776792 849123891 926316972 970427304 1132165188 1455640956 1698247782 1852633944 2264330376 2547371673 2911281912 3396495564 5094743346 6792991128 10189486692 20378973384
• Sum of all divisors σ(n): 72757353600
• Sum of proper divisors (its aliquot sum) s(n): 52378380216
• 20378973384 is an abundant number, because the sum of its proper divisors (52378380216) is greater than itself. Its abundance is 31999406832

Bases of 20378973384

• Binary: 10010111110101011100111010011001000₂
• Hexadecimal: 0x4BEAE74C8
• Base-36: 9D144I0

Squares and roots of 20378973384

• 20378973384 squared (20378973384²) is 415302556185780411456
• 20378973384 cubed (20378973384³) is 8463439738817183564330392687104
• The square root of 20378973384 is 142754.9417148143
• The cube root of 20378973384 is 2731.4553187299

Scales and comparisons

• 20,378,973,384 seconds is equal to 647 years, 51 weeks, 2 days, 17 hours, 56 minutes, 24 seconds.
• To count from 1 to 20,378,973,384 would take you about one thousand, two hundred ninety-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 20378973384 cubic inches would be around 227.6 feet tall.

Recreational maths with 20378973384

• 20378973384 backwards is 48337987302
• 20378973384 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20378973384's digits is 54
• More coming soon!