20918368130940

Names of 20918368130940

• Cardinal: 20918368130940 can be written as Twenty trillion, nine hundred eighteen billion, three hundred sixty-eight million, one hundred thirty thousand, nine hundred forty.

Scientific notation

• Scientific notation: 2.091836813094 × 10¹³

Factors of 20918368130940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 955

Divisors of 20918368130940

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 31 35 36 42 45 49 54 60 62 63 70 84 90 93 98 105 108 124 126 135 140 147 155 180 186 189 196 210 217 245 252 270 279 294 310 315 372 378 420 434 441 465 490 540 558 588 620 630 651 735 756 837 868 882 907 930 945 961 980 1085 1116 1260 1302 1323 1395 1470 1519 1674 1764 1814 1860 1890 1922 1953 2170 2205 2604 2646 2721 2790 2883 2940 3038 3255 3348 3628 3780 3844 3906 4185 4340 4410 4535 4557 4805 5292 5442 5580 5766 5859 6076 6349 6510 6615 6727 7595 7812 8163 8370 8649 8820 9070 9114 9610 9765 10884 11532 11718 12698 13020 13230 13454 13605 13671 14415 15190 16326 16740 17298 18140 18228 19047 19220 19530 20181 22785 23436 24489 25396 25947 26460 26908 27210 27342 28117 28830 29295 30380 31745 32652 33635 34596 38094 39060 40362 40815 41013 43245 44443 45570 47089 48978 51894 54420 54684 56234 57141 57660 58590 60543 63490 67270 68355 76188 80724 81630 82026 84351 86490 88886 91140 94178 95235 97956 100905 103788 112468 114282 117180 121086 122445 126980 129735 133329 134540 136710 140585 141267 163260 164052 168702 171423 172980 177772 181629 188356 190470 196819 201810 205065 222215 228564 235445 242172 244890 253053 259470 266658 273420 281170 282534 285705 302715 337404 342846 363258 380940 393638 399987 403620 410130 421755 423801 444430 470890 489780 506106 518940 533316 562340 565068 571410 590457 605430 666645 685692 706335 726516 759159 787276 799974 820260 822649 843510 847602 857115 871627 888860 908145 941780 984095 1012212 1142820 1180914 1199961 1210860 1265265 1271403 1333290 1377733 1412670 1518318 1599948 1645298 1687020 1695204 1714230 1743254 1771371 1816290 1968190 1999935 2119005 2361828 2399922 2467947 2530530 2542806 2614881 2666580 2755466 2825340 2952285 3036636 3290596 3428460 3486508 3542742 3632580 3795795 3936380 3999870 4113245 4133199 4238010 4358135 4799844 4935894 5061060 5085612 5229762 5314113 5510932 5758543 5904570 5999805 6101389 6357015 6888665 7085484 7403841 7591590 7844643 7999740 8226490 8266398 8476020 8716270 8856855 9871788 10459524 10628226 11517086 11809140 11999610 12202778 12339735 12399597 12714030 13074405 13777330 14807682 15183180 15689286 16452980 16532796 17275629 17432540 17713710 18304167 20665995 21256452 22211523 23034172 23533929 23999220 24405556 24679470 24799194 25428060 25502119 26148810 26570565 27554660 28792715 29615364 30506945 31378572 34551258 35427420 36608334 37019205 37198791 39223215 40309801 41331990 42709723 44423046 47067858 49358940 49598388 51004238 51826887 52297620 53141130 54912501 57585430 61013890 61997985 69102516 73216668 74038410 74397582 76506357 78446430 80619602 82663980 85419446 86378145 88846092 91520835 94135716 102008476 103653774 106282260 109825002 111057615 115170860 117669645 120929403 122027780 123995970 127510595 128129169 148076820 148795164 153012714 155480661 156892860 161239204 164737503 170838892 172756290 178514833 183041670 185993955 201549005 207307548 213548615 219650004 222115230 229519071 235339290 241858806 247991940 255021190 256258338 259134435 274562505 306025428 310961322 329475006 345512580 357029666 362788209 366083340 371987910 382531785 384387507 403098010 427097230 444230460 459038142 470678580 483717612 510042380 512516676 518268870 535544499 549125010 604647015 621922644 640645845 658950012 688557213 714059332 725576418 743975820 765063570 768775014 777403305 790565689 806196020 823687515 854194460 892574165 918076284 1036537740 1071088998 1088364627 1098250020 1147595355 1153162521 1209294030 1249603831 1281291690 1377114426 1451152836 1530127140 1537550028 1554806610 1581131378 1606633497 1647375030 1785148330 1813941045 1921937535 2142177996 2176729254 2295190710 2306325042 2371697067 2418588060 2499207662 2562583380 2677722495 2754228852 3109613220 3162262756 3213266994 3294750060 3442786065 3570296660 3627882090 3748811493 3843875070 3952828445 4353458508 4590381420 4612650084 4743394134 4819900491 4998415324 5355444990 5441823135 5533959823 5765812605 6248019155 6426533988 6885572130 7115091201 7255764180 7497622986 7687750140 7905656890 8033167485 9486788268 9639800982 10710889980 10883646270 11067919646 11246434479 11531625210 11858485335 12496038310 13771144260 14230182402 14995245972 15811313780 16066334970 16601879469 18744057465 19279601964 21345273603 21767292540 22135839292 22492868958 23063250420 23716970670 24099502455 24992076620 27669799115 28460364804 32132669940 33203758938 33739303437 35575456005 37488114930 38737718761 42690547206 44985737916 47433941340 48199004910 49805638407 55339598230 56232172395 66407517876 67478606874 71150912010 74976229860 77475437522 83009397345 85381094412 96398009820 99611276814 106726368015 110679196460 112464344790 116213156283 134957213748 142301824020 149416915221 154950875044 166018794690 168696517185 193688593805 199222553628 213452736030 224928689580 232426312566 249028192035 298833830442 332037589380 337393034370 348639468849 387377187610 426905472060 464852625132 498056384070 581065781415 597667660884 674786068740 697278937698 747084576105 774754375220 996112768140 1045918406547 1162131562830 1394557875396 1494169152210 1743197344245 2091836813094 2324263125660 2988338304420 3486394688490 4183673626188 5229592032735 6972789376980 10459184065470 20918368130940
• Sum of all divisors σ(n): 78311771591760
• Sum of proper divisors (its aliquot sum) s(n): 57393403460820
• 20918368130940 is an abundant number, because the sum of its proper divisors (57393403460820) is greater than itself. Its abundance is 36475035329880

Bases of 20918368130940

• Binary: 100110000011001101111111001101101011101111100₂
• Hexadecimal: 0x13066FE6D77C
• Base-36: 7EXRKAEF0

Squares and roots of 20918368130940

• 20918368130940 squared (20918368130940²) is 437578125261526228985283600
• 20918368130940 cubed (20918368130940³) is 9153420310267181621310673352497834584000
• The square root of 20918368130940 is 4573660.2553031855
• The cube root of 20918368130940 is 27553.4467493015

Scales and comparisons

• 20,918,368,130,940 seconds is equal to 665,139 years, 20 weeks, 6 days, 6 hours, 9 minutes.
• To count from 1 to 20,918,368,130,940 would take you about one million, six hundred sixty-two thousand, eight hundred forty-eight 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 20918368130940 cubic inches would be around 2296.1 feet tall.

Recreational maths with 20918368130940

• 20918368130940 backwards is 04903186381902
• 20918368130940 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20918368130940's digits is 54
• More coming soon!