20396787840

Names of 20396787840

• Cardinal: 20396787840 can be written as Twenty billion, three hundred ninety-six million, seven hundred eighty-seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.039678784 × 10¹⁰

Factors of 20396787840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 24797

Divisors of 20396787840

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 13 15 16 18 20 22 24 26 30 32 33 36 39 40 44 45 48 52 55 60 64 65 66 72 78 80 88 90 96 99 104 110 117 120 128 130 132 143 144 156 160 165 176 180 192 195 198 208 220 234 240 260 264 286 288 312 320 330 352 360 384 390 396 416 429 440 468 480 495 520 528 572 576 585 624 640 660 704 715 720 780 792 832 858 880 936 960 990 1040 1056 1144 1152 1170 1248 1287 1320 1408 1430 1440 1560 1584 1664 1716 1760 1872 1920 1980 2080 2112 2145 2288 2340 2496 2574 2640 2860 2880 3120 3168 3432 3520 3744 3960 4160 4224 4290 4576 4680 4992 5148 5280 5720 5760 6240 6336 6435 6864 7040 7488 7920 8320 8580 9152 9360 10296 10560 11440 12480 12672 12870 13728 14976 15840 17160 18304 18720 20592 21120 22880 24763 24960 25740 27456 31680 34320 37440 41184 45760 49526 51480 54912 63360 68640 74289 74880 82368 91520 99052 102960 123815 137280 148578 164736 198104 205920 222867 247630 272393 274560 297156 321919 371445 396208 411840 445734 495260 544786 594312 643838 742890 792416 817179 823680 891468 965757 990520 1089572 1114335 1188624 1287676 1361965 1485780 1584832 1609595 1634358 1782936 1931514 1981040 2179144 2228670 2377248 2451537 2575352 2723930 2897271 2971560 3169664 3219190 3268716 3541109 3565872 3863028 3962080 4085895 4358288 4457340 4754496 4828785 4903074 5150704 5447860 5794542 5943120 6438380 6537432 7082218 7131744 7726056 7924160 8171790 8716576 8914680 9508992 9657570 9806148 10301408 10623327 10895720 11589084 11886240 12257685 12876760 13074864 14164436 14263488 14486355 15452112 15848320 16343580 17433152 17705545 17829360 19315140 19612296 20602816 21246654 21791440 23178168 23772480 24515370 25753520 26149728 28328872 28526976 28972710 30904224 31869981 32687160 34866304 35411090 35658720 38630280 39224592 41205632 42493308 43582880 46356336 47544960 49030740 51507040 52299456 53116635 56657744 57945420 61808448 63739962 65374320 70822180 71317440 77260560 78449184 84986616 87165760 92712672 98061480 103014080 104598912 106233270 113315488 115890840 123616896 127479924 130748640 141644360 142634880 154521120 156898368 159349905 169973232 174331520 185425344 196122960 206028160 212466540 226630976 231781680 254959848 261497280 283288720 309042240 313796736 318699810 339946464 370850688 392245920 424933080 453261952 463563360 509919696 522994560 566577440 618084480 637399620 679892928 784491840 849866160 927126720 1019839392 1133154880 1274799240 1359785856 1568983680 1699732320 1854253440 2039678784 2266309760 2549598480 3399464640 4079357568 5099196960 6798929280 10198393920 20396787840
• Sum of all divisors σ(n): 82749401280
• Sum of proper divisors (its aliquot sum) s(n): 62352613440
• 20396787840 is an abundant number, because the sum of its proper divisors (62352613440) is greater than itself. Its abundance is 41955825600

Bases of 20396787840

• Binary: 10010111111101111100100100010000000₂
• Hexadecimal: 0x4BFBE4880
• Base-36: 9DBPY80

Squares and roots of 20396787840

• 20396787840 squared (20396787840²) is 416028954189971865600
• 20396787840 cubed (20396787840³) is 8485654313909935198212194304000
• The square root of 20396787840 is 142817.3233189867
• The cube root of 20396787840 is 2732.2509953631

Scales and comparisons

• 20,396,787,840 seconds is equal to 648 years, 28 weeks, 5 days, 22 hours, 24 minutes.
• To count from 1 to 20,396,787,840 would take you about one thousand, two hundred ninety-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 20396787840 cubic inches would be around 227.7 feet tall.

Recreational maths with 20396787840

• 20396787840 backwards is 04878769302
• The number of decimal digits it has is: 11
• The sum of 20396787840's digits is 54
• More coming soon!