11981438000

Names of 11981438000

• Cardinal: 11981438000 can be written as Eleven billion, nine hundred eighty-one million, four hundred thirty-eight thousand.

Scientific notation

• Scientific notation: 1.1981438 × 10¹⁰

Factors of 11981438000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1517

Divisors of 11981438000

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 19 20 25 28 31 35 38 40 50 56 62 70 76 80 95 100 112 124 125 133 140 152 155 175 190 200 217 248 250 266 280 304 310 350 380 400 434 475 496 500 532 560 589 620 665 700 760 775 868 875 950 1000 1064 1085 1178 1240 1330 1400 1453 1520 1550 1736 1750 1900 2000 2128 2170 2356 2375 2480 2660 2800 2906 2945 3100 3325 3472 3500 3800 3875 4123 4340 4712 4750 5320 5425 5812 5890 6200 6650 7000 7265 7600 7750 8246 8680 9424 9500 10171 10640 10850 11624 11780 12400 13300 14000 14530 14725 15500 16492 16625 17360 19000 20342 20615 21700 23248 23560 26600 27125 27607 29060 29450 31000 32984 33250 36325 38000 40684 41230 43400 45043 47120 50855 53200 54250 55214 58120 58900 62000 65968 66500 72650 73625 81368 82460 86800 90086 101710 103075 108500 110428 116240 117800 133000 138035 145300 147250 162736 164920 180172 181625 193249 203420 206150 217000 220856 225215 235600 254275 266000 276070 290600 294500 315301 329840 360344 363250 386498 406840 412300 434000 441712 450430 508550 515375 552140 581200 589000 630602 690175 720688 726500 772996 813680 824600 855817 900860 966245 1017100 1030750 1104280 1126075 1178000 1261204 1271375 1380350 1453000 1545992 1576505 1649200 1711634 1801720 1932490 2034200 2061500 2208560 2252150 2522408 2542750 2760700 2906000 3091984 3153010 3423268 3450875 3603440 3864980 4068400 4123000 4279085 4504300 4831225 5044816 5085500 5521400 5630375 5990719 6306020 6846536 6901750 7729960 7882525 8246000 8558170 9008600 9662450 10171000 11042800 11260750 11981438 12612040 13693072 13803500 15459920 15765050 17116340 18017200 19324900 20342000 21395425 22521500 23962876 24156125 25224080 27607000 29953595 31530100 34232680 38649800 39412625 42790850 45043000 47925752 48312250 55214000 59907190 63060200 68465360 77299600 78825250 85581700 90086000 95851504 96624500 106977125 119814380 126120400 149767975 157650500 171163400 193249000 213954250 239628760 299535950 315301000 342326800 386498000 427908500 479257520 599071900 630602000 748839875 855817000 1198143800 1497679750 1711634000 2396287600 2995359500 5990719000 11981438000
• Sum of all divisors σ(n): 36001505280
• Sum of proper divisors (its aliquot sum) s(n): 24020067280
• 11981438000 is an abundant number, because the sum of its proper divisors (24020067280) is greater than itself. Its abundance is 12038629280

Bases of 11981438000

• Binary: 1011001010001001100011110000110000₂
• Hexadecimal: 0x2CA263C30
• Base-36: 5I5FSQ8

Squares and roots of 11981438000

• 11981438000 squared (11981438000²) is 143554856547844000000
• 11981438000 cubed (11981438000³) is 1719993613326886919672000000000
• The square root of 11981438000 is 109459.7551614289
• The cube root of 11981438000 is 2288.2474211625

Scales and comparisons

• 11,981,438,000 seconds is equal to 380 years, 50 weeks, 4 days, 1 hour, 13 minutes, 20 seconds.
• To count from 1 to 11,981,438,000 would take you about seven hundred sixty-one 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 11981438000 cubic inches would be around 190.7 feet tall.

Recreational maths with 11981438000

• 11981438000 backwards is 00083418911
• 11981438000 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 11981438000's digits is 35
• More coming soon!