20408221440

Names of 20408221440

• Cardinal: 20408221440 can be written as Twenty billion, four hundred eight million, two hundred twenty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.040822144 × 10¹⁰

Factors of 20408221440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 407

Divisors of 20408221440

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 67 72 80 90 96 120 128 134 137 144 160 180 192 193 201 240 256 268 274 288 320 335 360 384 386 402 411 480 536 548 576 579 603 640 670 685 720 768 772 804 822 960 965 1005 1072 1096 1152 1158 1206 1233 1280 1340 1370 1440 1544 1608 1644 1737 1920 1930 2010 2055 2144 2192 2304 2316 2412 2466 2680 2740 2880 2895 3015 3088 3216 3288 3474 3840 3860 4020 4110 4288 4384 4632 4824 4932 5360 5480 5760 5790 6030 6165 6176 6432 6576 6948 7720 8040 8220 8576 8685 8768 9179 9264 9648 9864 10720 10960 11520 11580 12060 12330 12352 12864 12931 13152 13896 15440 16080 16440 17152 17370 17536 18358 18528 19296 19728 21440 21920 23160 24120 24660 24704 25728 25862 26304 26441 27537 27792 30880 32160 32880 34740 35072 36716 37056 38592 38793 39456 42880 43840 45895 46320 48240 49320 49408 51456 51724 52608 52882 55074 55584 61760 64320 64655 65760 69480 73432 74112 77184 77586 78912 79323 82611 85760 87680 91790 92640 96480 98640 103448 105216 105764 110148 111168 116379 123520 128640 129310 131520 132205 137685 138960 146864 148224 154368 155172 157824 158646 165222 175360 183580 185280 192960 193965 197280 206896 211528 220296 222336 232758 237969 247040 257280 258620 263040 264410 275370 277920 293728 310344 315648 317292 330444 367160 370560 385920 387930 394560 396615 413055 413792 423056 440592 444672 465516 475938 517240 526080 528820 550740 555840 581895 587456 620688 634584 660888 734320 741120 771840 775860 789120 793230 826110 827584 846112 881184 931032 951876 1034480 1057640 1101480 1111680 1163790 1174912 1189845 1241376 1269168 1321776 1468640 1551720 1578240 1586460 1652220 1655168 1692224 1762368 1771547 1862064 1903752 2068960 2115280 2202960 2223360 2327580 2349824 2379690 2482752 2538336 2643552 2937280 3103440 3172920 3304440 3310336 3384448 3524736 3543094 3724128 3807504 4137920 4230560 4405920 4655160 4759380 4965504 5076672 5287104 5314641 5874560 6206880 6345840 6608880 6768896 7049472 7086188 7448256 7615008 8275840 8461120 8811840 8857735 9310320 9518760 9931008 10153344 10574208 10629282 11749120 12413760 12691680 13217760 14172376 14896512 15230016 15943923 16551680 16922240 17623680 17715470 18620640 19037520 20306688 21148416 21258564 24827520 25383360 26435520 26573205 28344752 29793024 30460032 31887846 33844480 35247360 35430940 37241280 38075040 42517128 49655040 50766720 52871040 53146410 56689504 60920064 63775692 70861880 74482560 76150080 79719615 85034256 101533440 105742080 106292820 113379008 127551384 141723760 148965120 152300160 159439230 170068512 212585640 226758016 255102768 283447520 304600320 318878460 340137024 425171280 453516032 510205536 566895040 637756920 680274048 850342560 1020411072 1133790080 1275513840 1360548096 1700685120 2040822144 2267580160 2551027680 3401370240 4081644288 5102055360 6802740480 10204110720 20408221440
• Sum of all divisors σ(n): 72561329568
• Sum of proper divisors (its aliquot sum) s(n): 52153108128
• 20408221440 is an abundant number, because the sum of its proper divisors (52153108128) is greater than itself. Its abundance is 31744886688

Bases of 20408221440

• Binary: 10011000000011011001011111100000000₂
• Hexadecimal: 0x4C06CBF00
• Base-36: 9DIJ0G0

Squares and roots of 20408221440

• 20408221440 squared (20408221440²) is 416495502344075673600
• 20408221440 cubed (20408221440³) is 8499932440601935418945961984000
• The square root of 20408221440 is 142857.3464684263
• The cube root of 20408221440 is 2732.7614291605

Scales and comparisons

• 20,408,221,440 seconds is equal to 648 years, 47 weeks, 5 days, 6 hours, 24 minutes.
• To count from 1 to 20,408,221,440 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 20408221440 cubic inches would be around 227.7 feet tall.

Recreational maths with 20408221440

• 20408221440 backwards is 04412280402
• The number of decimal digits it has is: 11
• The sum of 20408221440's digits is 27
• More coming soon!