20805864120

Names of 20805864120

• Cardinal: 20805864120 can be written as Twenty billion, eight hundred five million, eight hundred sixty-four thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.080586412 × 10¹⁰

Factors of 20805864120

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 93

Divisors of 20805864120

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 17 18 19 20 24 27 30 34 36 38 40 45 47 51 54 57 60 68 72 76 81 85 90 94 95 102 108 114 120 135 136 141 152 153 162 170 171 180 188 190 204 216 228 235 243 255 270 282 285 306 323 324 340 342 360 376 380 405 408 423 456 459 470 486 510 513 540 564 570 612 646 648 680 684 705 729 760 765 799 810 846 855 893 918 940 969 972 1020 1026 1080 1128 1140 1215 1224 1269 1292 1368 1377 1410 1458 1530 1539 1598 1615 1620 1692 1710 1786 1836 1880 1938 1944 2040 2052 2115 2209 2280 2295 2397 2430 2538 2565 2584 2679 2754 2820 2907 2916 3060 3078 3196 3230 3240 3384 3420 3572 3645 3672 3807 3876 3995 4104 4131 4230 4418 4465 4590 4617 4794 4845 4860 5076 5130 5358 5508 5640 5814 5832 6120 6156 6345 6392 6460 6627 6840 6885 7144 7191 7290 7614 7695 7752 7990 8037 8262 8460 8721 8836 8930 9180 9234 9588 9690 9720 10152 10260 10716 11016 11045 11421 11628 11985 12312 12393 12690 12920 13254 13395 13770 13851 14382 14535 14580 15181 15228 15390 15980 16074 16524 16920 17442 17672 17860 18360 18468 19035 19176 19380 19881 20520 20655 21432 21573 22090 22842 23085 23256 23970 24111 24786 25380 26163 26508 26790 27540 27702 28764 29070 29160 30362 30456 30780 31960 32148 33048 33135 34263 34884 35720 35955 36936 37553 38070 38760 39762 40185 41310 41971 43146 43605 44180 45543 45684 46170 47940 48222 49572 50760 52326 53016 53580 55080 55404 57105 57528 58140 59643 60724 61560 61965 64296 64719 66270 68526 69255 69768 71910 72333 75106 75905 76140 78489 79524 80370 82620 83942 86292 87210 88360 91086 91368 92340 95880 96444 99144 99405 104652 107160 107865 110808 112659 114210 116280 119286 120555 121448 123930 125913 129438 130815 132540 136629 137052 138510 143820 144666 150212 151810 152280 156978 159048 160740 165240 167884 171315 172584 174420 178929 182172 184680 187765 192888 194157 198810 209304 209855 215730 216999 225318 227715 228420 235467 238572 241110 247860 251826 258876 261630 265080 273258 274104 277020 287640 289332 298215 300424 303620 313956 321480 323595 335768 337977 342630 348840 357858 361665 364344 375530 377739 388314 392445 397620 409887 419710 431460 433998 450636 455430 456840 470934 477144 482220 495720 503652 517752 523260 536787 546516 554040 563295 578664 582471 596430 607240 627912 629565 647190 650997 675954 683145 685260 713507 715716 723330 751060 755478 776628 784890 795240 819774 839420 862920 867996 894645 901272 910860 941868 964440 970785 1007304 1013931 1046520 1073574 1084995 1093032 1126590 1133217 1164942 1177335 1192860 1229661 1259130 1294380 1301994 1351908 1366290 1370520 1427014 1431432 1446660 1502120 1510956 1553256 1569780 1610361 1639548 1678840 1689885 1735992 1789290 1821720 1883736 1888695 1941570 2027862 2049435 2140521 2147148 2169990 2253180 2266434 2329884 2354670 2385720 2459322 2518260 2588760 2603988 2683935 2703816 2732580 2854028 2893320 2912355 3021912 3041793 3139560 3220722 3254985 3279096 3379770 3399651 3567535 3578580 3688983 3777390 3883140 4055724 4098870 4281042 4294296 4339980 4506360 4532868 4659768 4709340 4918644 5036520 5069655 5207976 5367870 5465160 5666085 5708056 5824710 6083586 6148305 6421563 6441444 6509970 6759540 6799302 7135070 7157160 7377966 7554780 7766280 8051805 8111448 8197740 8562084 8679960 9065736 9125379 9418680 9837288 10139310 10198953 10702605 10735740 11066949 11332170 11649420 12167172 12296610 12843126 12882888 13019940 13519080 13598604 14270140 14755932 15109560 15208965 16103610 16395480 16998255 17124168 18250758 18444915 19264689 20278620 20397906 21405210 21471480 22133898 22664340 23298840 24334344 24593220 25686252 26039880 27197208 27376137 28540280 29511864 30417930 30596859 32107815 32207220 33996510 36501516 36889830 38529378 40557240 40795812 42810420 44267796 45328680 45626895 49186440 50994765 51372504 54752274 55334745 57794067 60835860 61193718 64215630 64414440 67993020 73003032 73779660 77058756 81591624 85620840 88535592 91253790 96323445 101989530 109504548 110669490 115588134 121671720 122387436 128431260 135986040 136880685 147559320 152984295 154117512 173382201 182507580 192646890 203979060 219009096 221338980 231176268 244774872 256862520 273761370 288970335 305968590 346764402 365015160 385293780 407958120 442677960 462352536 520146603 547522740 577940670 611937180 693528804 770587560 866911005 1040293206 1095045480 1155881340 1223874360 1387057608 1733822010 2080586412 2311762680 2600733015 3467644020 4161172824 5201466030 6935288040 10402932060 20805864120
• Sum of all divisors σ(n): 79927592400
• Sum of proper divisors (its aliquot sum) s(n): 59121728280
• 20805864120 is an abundant number, because the sum of its proper divisors (59121728280) is greater than itself. Its abundance is 38315864160

Bases of 20805864120

• Binary: 10011011000001000000100101010111000₂
• Hexadecimal: 0x4D8204AB8
• Base-36: 9K39VI0

Squares and roots of 20805864120

• 20805864120 squared (20805864120²) is 432883981779903374400
• 20805864120 cubed (20805864120³) is 9006525304637225354495886528000
• The square root of 20805864120 is 144242.3797640625
• The cube root of 20805864120 is 2750.3961575835

Scales and comparisons

• 20,805,864,120 seconds is equal to 661 years, 29 weeks, 1 day, 14 hours, 42 minutes.
• To count from 1 to 20,805,864,120 would take you about one thousand, three hundred twenty-three 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 20805864120 cubic inches would be around 229.2 feet tall.

Recreational maths with 20805864120

• 20805864120 backwards is 02146850802
• 20805864120 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20805864120's digits is 36
• More coming soon!