18538214400

Names of 18538214400

• Cardinal: 18538214400 can be written as Eighteen billion, five hundred thirty-eight million, two hundred fourteen thousand, four hundred.

Scientific notation

• Scientific notation: 1.85382144 × 10¹⁰

Factors of 18538214400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 4760

Divisors of 18538214400

• Number of divisors d(n): 396
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 25 30 32 34 36 40 45 48 50 51 60 64 68 72 75 80 85 90 96 100 102 120 128 136 144 150 153 160 170 180 192 200 204 225 240 255 256 272 288 300 306 320 340 360 384 400 408 425 450 480 510 512 544 576 600 612 640 680 720 765 768 800 816 850 900 960 1020 1024 1088 1152 1200 1224 1275 1280 1360 1440 1530 1536 1600 1632 1700 1800 1920 2040 2176 2304 2400 2448 2550 2560 2720 2880 3060 3072 3200 3264 3400 3600 3825 3840 4080 4352 4608 4733 4800 4896 5100 5120 5440 5760 6120 6400 6528 6800 7200 7650 7680 8160 8704 9216 9466 9600 9792 10200 10880 11520 12240 12800 13056 13600 14199 14400 15300 15360 16320 17408 18932 19200 19584 20400 21760 23040 23665 24480 25600 26112 27200 28398 28800 30600 32640 37864 38400 39168 40800 42597 43520 46080 47330 48960 52224 54400 56796 57600 61200 65280 70995 75728 76800 78336 80461 81600 85194 87040 94660 97920 108800 113592 115200 118325 122400 130560 141990 151456 156672 160922 163200 170388 189320 195840 212985 217600 227184 230400 236650 241383 244800 261120 283980 302912 321844 326400 340776 354975 378640 391680 402305 425970 435200 454368 473300 482766 489600 567960 605824 643688 652800 681552 709950 724149 757280 783360 804610 851940 908736 946600 965532 979200 1064925 1135920 1206915 1211648 1287376 1305600 1363104 1419900 1448298 1514560 1609220 1703880 1817472 1893200 1931064 1958400 2011525 2129850 2271840 2413830 2423296 2574752 2726208 2839800 2896596 3029120 3218440 3407760 3620745 3634944 3786400 3862128 3916800 4023050 4259700 4543680 4827660 4846592 5149504 5452416 5679600 5793192 6034575 6058240 6436880 6815520 7241490 7269888 7572800 7724256 8046100 8519400 9087360 9655320 10299008 10904832 11359200 11586384 12069150 12116480 12873760 13631040 14482980 14539776 15145600 15448512 16092200 17038800 18103725 18174720 19310640 20598016 21809664 22718400 23172768 24138300 24232960 25747520 27262080 28965960 30291200 30897024 32184400 34077600 36207450 36349440 38621280 41196032 43619328 45436800 46345536 48276600 51495040 54524160 57931920 60582400 61794048 64368800 68155200 72414900 72698880 77242560 82392064 90873600 92691072 96553200 102990080 109048320 115863840 121164800 123588096 128737600 136310400 144829800 154485120 181747200 185382144 193106400 205980160 218096640 231727680 247176192 257475200 272620800 289659600 308970240 363494400 370764288 386212800 411960320 463455360 514950400 545241600 579319200 617940480 741528576 772425600 926910720 1029900800 1090483200 1158638400 1235880960 1544851200 1853821440 2059801600 2317276800 3089702400 3707642880 4634553600 6179404800 9269107200 18538214400
• Sum of all divisors σ(n): 70294872492
• Sum of proper divisors (its aliquot sum) s(n): 51756658092
• 18538214400 is an abundant number, because the sum of its proper divisors (51756658092) is greater than itself. Its abundance is 33218443692

Bases of 18538214400

• Binary: 10001010000111101101011010000000000₂
• Hexadecimal: 0x450F6B400
• Base-36: 8IL69S0

Squares and roots of 18538214400

• 18538214400 squared (18538214400²) is 343665393140367360000
• 18538214400 cubed (18538214400³) is 6370942739896419414441984000000
• The square root of 18538214400 is 136155.1115456191
• The cube root of 18538214400 is 2646.6060455025

Scales and comparisons

• 18,538,214,400 seconds is equal to 589 years, 23 weeks, 5 days, 16 hours.
• To count from 1 to 18,538,214,400 would take you about one thousand, one hundred seventy-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 18538214400 cubic inches would be around 220.6 feet tall.

Recreational maths with 18538214400

• 18538214400 backwards is 00441283581
• 18538214400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18538214400's digits is 36
• More coming soon!