20744745840

Names of 20744745840

• Cardinal: 20744745840 can be written as Twenty billion, seven hundred forty-four million, seven hundred forty-five thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.074474584 × 10¹⁰

Factors of 20744745840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 15107

Divisors of 20744745840

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 27 28 30 35 36 39 40 42 45 48 49 52 54 56 60 63 65 70 72 78 80 84 90 91 98 104 105 108 112 117 120 126 130 135 140 144 147 156 168 180 182 189 195 196 208 210 216 234 240 245 252 260 270 273 280 294 312 315 336 351 360 364 378 390 392 420 432 441 455 468 490 504 520 540 546 560 585 588 624 630 637 702 720 728 735 756 780 784 819 840 882 910 936 945 980 1008 1040 1080 1092 1170 1176 1260 1274 1323 1365 1404 1456 1470 1512 1560 1638 1680 1755 1764 1820 1872 1890 1911 1960 2160 2184 2205 2340 2352 2457 2520 2548 2646 2730 2808 2940 3024 3120 3185 3276 3510 3528 3640 3780 3822 3920 4095 4368 4410 4680 4914 5040 5096 5292 5460 5616 5733 5880 6370 6552 6615 7020 7056 7280 7560 7644 8190 8820 9360 9555 9828 10192 10584 10920 11466 11760 12285 12740 13104 13230 14040 15077 15120 15288 16380 17199 17640 19110 19656 21168 21840 22932 24570 25480 26460 28080 28665 30154 30576 32760 34398 35280 38220 39312 45231 45864 49140 50960 52920 57330 60308 65520 68796 75385 76440 85995 90462 91728 98280 105539 105840 114660 120616 135693 137592 150770 152880 171990 180924 196001 196560 211078 226155 229320 241232 271386 275184 301540 316617 343980 361848 392002 407079 422156 452310 458640 527695 542772 588003 603080 633234 678465 687960 723696 738773 784004 814158 844312 904620 949851 980005 1055390 1085544 1176006 1206160 1266468 1356930 1372007 1375920 1477546 1568008 1583085 1628316 1688624 1764009 1809240 1899702 1960010 2035395 2110780 2171088 2216319 2352012 2532936 2713860 2744014 2849553 2940015 2955092 3136016 3166170 3256632 3528018 3618480 3693865 3799404 3920020 4070790 4116021 4221560 4432638 4704024 4749255 5065872 5292027 5427720 5488028 5699106 5880030 5910184 6332340 6513264 6648957 6860035 7056036 7387730 7598808 7840040 8141580 8232042 8443120 8820045 8865276 9408048 9498510 9604049 10584054 10855440 10976056 11081595 11398212 11760060 11820368 12348063 12664680 13297914 13720070 14112072 14247765 14775460 15197616 15680080 16283160 16464084 17640090 17730552 18997020 19208098 19946871 20580105 21168108 21952112 22163190 22796424 23520120 24696126 25329360 26460135 26595828 27440140 28224144 28495530 28812147 29550920 32566320 32928168 33244785 35280180 35461104 37044189 37994040 38416196 39893742 41160210 42336216 44326380 45592848 47040240 48020245 49392252 52920270 53191656 54880280 56991060 57624294 59101840 61740315 65856336 66489570 70560360 74088378 75988080 76832392 79787484 82320420 84672432 86436441 88652760 96040490 98784504 99734355 105840540 106383312 109760560 113982120 115248588 123480630 132979140 141120720 144060735 148176756 153664784 159574968 164640840 172872882 177305520 185220945 192080980 197569008 199468710 211681080 227964240 230497176 246961260 259309323 265958280 288121470 296353512 319149936 329281680 345745764 370441890 384161960 398937420 423362160 432182205 460994352 493922520 518618646 531916560 576242940 592707024 691491528 740883780 768323920 797874840 864364410 987845040 1037237292 1152485880 1296546615 1382983056 1481767560 1595749680 1728728820 2074474584 2304971760 2593093230 2963535120 3457457640 4148949168 5186186460 6914915280 10372372920 20744745840
• Sum of all divisors σ(n): 89519895360
• Sum of proper divisors (its aliquot sum) s(n): 68775149520
• 20744745840 is an abundant number, because the sum of its proper divisors (68775149520) is greater than itself. Its abundance is 48030403680

Bases of 20744745840

• Binary: 10011010100011110111011001101110000₂
• Hexadecimal: 0x4D47BB370
• Base-36: 9J2VWC0

Squares and roots of 20744745840

• 20744745840 squared (20744745840²) is 430344479966197305600
• 20744745840 cubed (20744745840³) is 8927386860545734895964808704000
• The square root of 20744745840 is 144030.3642986435
• The cube root of 20744745840 is 2747.7003735025

Scales and comparisons

• 20,744,745,840 seconds is equal to 659 years, 32 weeks, 1 day, 5 hours, 24 minutes.
• To count from 1 to 20,744,745,840 would take you about one thousand, three hundred nineteen 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 20744745840 cubic inches would be around 229 feet tall.

Recreational maths with 20744745840

• 20744745840 backwards is 04854744702
• 20744745840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20744745840's digits is 45
• More coming soon!