1809210472020

Names of 1809210472020

• Cardinal: 1809210472020 can be written as One trillion, eight hundred nine billion, two hundred ten million, four hundred seventy-two thousand and twenty.

Scientific notation

• Scientific notation: 1.80921047202 × 10¹²

Factors of 1809210472020

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 141036

Divisors of 1809210472020

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 43 45 54 60 63 70 79 84 86 90 105 108 126 129 135 140 158 172 180 189 210 215 237 252 258 270 301 315 316 378 387 395 420 430 474 516 540 553 602 630 645 711 756 774 790 860 903 945 948 1106 1161 1185 1204 1260 1290 1422 1505 1548 1580 1659 1806 1890 1935 2133 2212 2322 2370 2580 2709 2765 2844 3010 3318 3397 3555 3612 3780 3870 4266 4515 4644 4740 4977 5418 5530 5805 6020 6636 6794 7110 7740 8127 8295 8532 9030 9954 10191 10665 10836 11060 11610 13545 13588 14220 14931 16254 16590 16985 18060 19908 20382 21330 23220 23779 24885 27090 29862 30573 32508 33180 33970 40635 40764 42660 47558 49770 50955 54180 59724 61146 67940 71337 74655 81270 91719 95116 99540 101910 118895 122292 140897 142674 149310 152865 162540 183438 203820 214011 237790 281794 285348 298620 305730 356685 366876 422691 428022 458595 475580 563588 611460 642033 704485 713370 845382 856044 917190 986279 1070055 1268073 1284066 1408970 1426740 1690764 1834380 1972558 2113455 2140110 2536146 2568132 2817940 2958837 3210165 3804219 3945116 4226910 4280220 4931395 5072292 5917674 6058571 6340365 6420330 7608438 8453820 8876511 9862790 11130863 11835348 12117142 12680730 12840660 14794185 15216876 17753022 18175713 19021095 19725580 22261726 24234284 25361460 26629533 29588370 30292855 33392589 35506044 36351426 38042190 42409997 44382555 44523452 53259066 54527139 55654315 59176740 60585710 66785178 72702852 76084380 77916041 84819994 88765110 90878565 100177767 106518132 109054278 111308630 121171420 127229991 133147665 133570356 155832082 163581417 166962945 169639988 177530220 181757130 200355534 212049985 218108556 222617260 233748123 254459982 266295330 272635695 300533301 311664164 327162834 333925890 363514260 381689973 389580205 400711068 424099970 467496246 478627109 500888835 508919964 532590660 545271390 601066602 636149955 654325668 667851780 701244369 763379946 779160410 817907085 848199940 934992492 957254218 1001777670 1090542780 1145069919 1168740615 1202133204 1272299910 1402488738 1435881327 1502666505 1526759892 1558320820 1635814170 1908449865 1914508436 2003555340 2103733107 2290139838 2337481230 2393135545 2544599820 2804977476 2871762654 3005333010 3271628340 3350389763 3506221845 3816899730 4207466214 4307643981 4580279676 4674962460 4786271090 5725349595 5743525308 6010666020 6700779526 7012443690 7179406635 7633799460 8414932428 8615287962 9572542180 10051169289 10518665535 11450699190 12922931943 13401559052 14024887380 14358813270 16751948815 17230575924 20102338578 21037331070 21538219905 22901398380 25845863886 28717626540 30153507867 33503897630 40204677156 42074662140 43076439810 50255846445 51691727772 60307015734 64614659715 67007795260 86152879620 90460523601 100511692890 120614031468 129229319430 150767539335 180921047202 201023385780 258458638860 301535078670 361842094404 452302618005 603070157340 904605236010 1809210472020
• Sum of all divisors σ(n): 6665715302400
• Sum of proper divisors (its aliquot sum) s(n): 4856504830380
• 1809210472020 is an abundant number, because the sum of its proper divisors (4856504830380) is greater than itself. Its abundance is 3047294358360

Bases of 1809210472020

• Binary: 11010010100111101010110001111011001010100₂
• Hexadecimal: 0x1A53D58F654
• Base-36: N3517AL0

Squares and roots of 1809210472020

• 1809210472020 squared (1809210472020²) is 3273242532066831202880400
• 1809210472020 cubed (1809210472020³) is 5921984666476571666748912867606408000
• The square root of 1809210472020 is 1345068.9469391523
• The cube root of 1809210472020 is 12185.1168326153

Scales and comparisons

• 1,809,210,472,020 seconds is equal to 57,527 years, 15 weeks, 3 days, 27 minutes.
• To count from 1 to 1,809,210,472,020 would take you about one hundred forty-three thousand, eight hundred eighteen 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 1809210472020 cubic inches would be around 1015.4 feet tall.

Recreational maths with 1809210472020

• 1809210472020 backwards is 0202740129081
• 1809210472020 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1809210472020's digits is 36
• More coming soon!