20994779520

Names of 20994779520

• Cardinal: 20994779520 can be written as Twenty billion, nine hundred ninety-four million, seven hundred seventy-nine thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.099477952 × 10¹⁰

Factors of 20994779520

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 464

Divisors of 20994779520

• Number of divisors d(n): 768
• 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 71 72 78 80 88 90 96 99 104 110 117 120 128 130 132 142 143 144 156 160 165 176 180 192 195 198 208 213 220 234 240 260 264 284 286 288 312 320 330 352 355 359 360 384 390 396 416 426 429 440 468 480 495 520 528 568 572 576 585 624 639 640 660 704 710 715 718 720 780 781 792 832 852 858 880 923 936 960 990 1040 1056 1065 1077 1136 1144 1152 1170 1248 1278 1287 1320 1408 1420 1430 1436 1440 1560 1562 1584 1664 1704 1716 1760 1795 1846 1872 1920 1980 2080 2112 2130 2145 2154 2272 2288 2340 2343 2496 2556 2574 2640 2769 2840 2860 2872 2880 3120 3124 3168 3195 3231 3408 3432 3520 3590 3692 3744 3905 3949 3960 4160 4224 4260 4290 4308 4544 4576 4615 4667 4680 4686 4992 5112 5148 5280 5385 5538 5680 5720 5744 5760 6240 6248 6336 6390 6435 6462 6816 6864 7029 7040 7180 7384 7488 7810 7898 7920 8307 8320 8520 8580 8616 9088 9152 9230 9334 9360 9372 10153 10224 10296 10560 10770 11076 11360 11440 11488 11715 11847 12480 12496 12672 12780 12870 12924 13632 13728 13845 14001 14058 14360 14768 14976 15620 15796 15840 16155 16614 17040 17160 17232 18304 18460 18668 18720 18744 19745 20306 20448 20592 21120 21540 22152 22720 22880 22976 23335 23430 23694 24960 24992 25489 25560 25740 25848 27264 27456 27690 28002 28116 28720 29536 30459 31240 31592 31680 32310 33228 34080 34320 34464 35145 35541 36920 37336 37440 37488 39490 40612 40896 41184 41535 42003 43080 44304 45440 45760 45952 46670 46860 47388 49984 50765 50978 51120 51337 51480 51696 54912 55380 56004 56232 57440 59072 59235 60918 62480 63184 63360 64620 66456 68160 68640 68928 70005 70290 71082 73840 74672 74880 74976 76467 78980 81224 81792 82368 83070 84006 86160 88608 91377 91520 93340 93720 94776 99968 101530 101956 102240 102674 102960 103392 110760 112008 112464 114880 118144 118470 121836 124960 126368 127445 129240 132912 136320 137280 137856 140010 140580 142164 147680 149344 149952 152295 152934 154011 157960 162448 164736 166140 168012 172320 177216 177705 182754 186680 187440 189552 203060 203912 204480 205348 205920 206784 210015 221520 224016 224928 229401 229760 236940 243672 249920 252736 254890 256685 258480 265824 274560 280020 280379 281160 284328 295360 298688 299904 304590 305868 308022 315920 324896 331357 332280 336024 344640 354432 355410 365508 373360 374880 379104 382335 406120 407824 408960 410696 411840 413568 420030 443040 448032 449856 456885 458802 462033 473880 487344 499840 505472 509780 513370 516960 531648 560040 560758 562320 568656 590720 597376 609180 611736 616044 631840 649792 662714 664560 672048 689280 710820 731016 746720 749760 758208 764670 770055 812240 815648 821392 823680 840060 841137 886080 896064 899712 913770 917604 924066 947760 974688 994071 1019560 1026740 1033920 1063296 1120080 1121516 1124640 1137312 1147005 1218360 1223472 1232088 1263680 1299584 1325428 1329120 1344096 1401895 1421640 1462032 1493440 1499520 1516416 1529340 1540110 1624480 1631296 1642784 1656785 1680120 1682274 1772160 1792128 1827540 1835208 1848132 1895520 1949376 1988142 2039120 2053480 2067840 2240160 2243032 2249280 2274624 2294010 2310165 2436720 2446944 2464176 2523411 2527360 2650856 2658240 2688192 2803790 2843280 2924064 2982213 2986880 3058680 3080220 3248960 3262592 3285568 3313570 3360240 3364548 3644927 3655080 3670416 3696264 3791040 3898752 3976284 4078240 4106960 4205685 4480320 4486064 4498560 4549248 4588020 4620330 4873440 4893888 4928352 4970355 5046822 5301712 5316480 5376384 5607580 5686560 5848128 5964426 6117360 6160440 6497920 6571136 6627140 6720480 6729096 7289854 7310160 7340832 7392528 7582080 7952568 8156480 8213920 8411370 8960640 8972128 9176040 9240660 9746880 9787776 9856704 9940710 10093644 10603424 10934781 11215160 11373120 11696256 11928852 12234720 12320880 12617055 13254280 13440960 13458192 14579708 14620320 14681664 14785056 14911065 15905136 16312960 16427840 16822740 17944256 18224635 18352080 18481320 19493760 19713408 19881420 20187288 21206848 21869562 22430320 22746240 23857704 24469440 24641760 25234110 26508560 26881920 26916384 29159416 29240640 29363328 29570112 29822130 31810272 32804343 32855680 33645480 35888512 36449270 36704160 36962640 39762840 40374576 42413696 43739124 44860640 47715408 48938880 49283520 50468220 53017120 53832768 54673905 58318832 58481280 59140224 59644260 63620544 65608686 67290960 72898540 73408320 73925280 79525680 80749152 87478248 89721280 95430816 98567040 100936440 106034240 107665536 109347810 116637664 119288520 127241088 131217372 134581920 145797080 146816640 147850560 159051360 161498304 164021715 174956496 179442560 190861632 201872880 212068480 218695620 233275328 238577040 262434744 269163840 291594160 295701120 318102720 322996608 328043430 349912992 381723264 403745760 437391240 466550656 477154080 524869488 538327680 583188320 636205440 656086860 699825984 807491520 874782480 954308160 1049738976 1166376640 1312173720 1399651968 1614983040 1749564960 1908616320 2099477952 2332753280 2624347440 3499129920 4198955904 5248694880 6998259840 10497389760 20994779520
• Sum of all divisors σ(n): 86612198400
• Sum of proper divisors (its aliquot sum) s(n): 65617418880
• 20994779520 is an abundant number, because the sum of its proper divisors (65617418880) is greater than itself. Its abundance is 44622639360

Bases of 20994779520

• Binary: 10011100011011000101110100110000000₂
• Hexadecimal: 0x4E362E980
• Base-36: 9N7QZK0

Squares and roots of 20994779520

• 20994779520 squared (20994779520²) is 440780767093411430400
• 20994779520 cubed (20994779520³) is 9254095021782644225895825408000
• The square root of 20994779520 is 144895.7539750561
• The cube root of 20994779520 is 2758.6955398391

Scales and comparisons

• 20,994,779,520 seconds is equal to 667 years, 29 weeks, 4 days, 3 hours, 12 minutes.
• To count from 1 to 20,994,779,520 would take you about one thousand, three hundred thirty-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 20994779520 cubic inches would be around 229.9 feet tall.

Recreational maths with 20994779520

• 20994779520 backwards is 02597749902
• The number of decimal digits it has is: 11
• The sum of 20994779520's digits is 54
• More coming soon!