18908288125272

Names of 18908288125272

• Cardinal: 18908288125272 can be written as Eighteen trillion, nine hundred eight billion, two hundred eighty-eight million, one hundred twenty-five thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 1.8908288125272 × 10¹³

Factors of 18908288125272

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 31712996

Divisors of 18908288125272

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 18 21 24 26 28 36 39 42 49 52 56 63 72 78 84 91 98 104 117 126 147 156 168 169 182 196 234 252 273 294 312 338 364 392 441 468 504 507 546 588 637 676 728 819 882 936 1014 1092 1176 1183 1274 1352 1521 1638 1764 1911 2028 2184 2366 2548 3042 3276 3528 3549 3822 4056 4732 5096 5733 6084 6552 7098 7644 8281 9464 10647 11466 12168 14196 15288 16562 21294 22932 24843 28392 33124 42588 45864 49686 66248 74529 85176 99372 149058 198744 298116 596232 31712971 63425942 95138913 126851884 190277826 221990797 253703768 285416739 380555652 412268623 443981594 570833478 665972391 761111304 824537246 887963188 1141666956 1236805869 1331944782 1553935579 1649074492 1775926376 1997917173 2283333912 2473611738 2663889564 2885880361 3107871158 3298148984 3710417607 3995834346 4661806737 4947223476 5327779128 5359492099 5771760722 6215742316 7420835214 7991668692 8657641083 9323613474 9894446952 10718984198 11543521444 12431484632 13985420211 14841670428 15983337384 16078476297 17315282166 18647226948 20201162527 21437968396 23087042888 25972923249 27970840422 29683340856 32156952594 34630564332 37294453896 37516444693 40402325054 42875936792 48235428891 51945846498 55941680844 60603487581 64313905188 69261128664 75032889386 80804650108 96470857782 103891692996 111883361688 112549334079 121206975162 128627810376 150065778772 161609300216 181810462743 192941715564 207783385992 225098668158 242413950324 262615112851 300131557544 337648002237 363620925486 385883431128 450197336316 484827900648 525230225702 675296004474 727241850972 787845338553 900394672632 1050460451404 1350592008948 1454483701944 1575690677106 2100920902808 2363536015659 2701184017896 3151381354212 4727072031318 6302762708424 9454144062636 18908288125272
• Sum of all divisors σ(n): 64505612131740
• Sum of proper divisors (its aliquot sum) s(n): 45597324006468
• 18908288125272 is an abundant number, because the sum of its proper divisors (45597324006468) is greater than itself. Its abundance is 26689035881196

Bases of 18908288125272

• Binary: 100010011001001101101110011000000100101011000₂
• Hexadecimal: 0x11326DCC0958
• Base-36: 6PACIJVQ0

Squares and roots of 18908288125272

• 18908288125272 squared (18908288125272²) is 357523359828302124365073984
• 18908288125272 cubed (18908288125272³) is 6760154699148833450917699754240940123648
• The square root of 18908288125272 is 4348366.1443434129
• The cube root of 18908288125272 is 26641.0131655833

Scales and comparisons

• 18,908,288,125,272 seconds is equal to 601,225 years, 3 weeks, 6 days, 9 hours, 1 minute, 12 seconds.
• To count from 1 to 18,908,288,125,272 would take you about one million, five hundred three thousand and sixty-two 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 18908288125272 cubic inches would be around 2220.1 feet tall.

Recreational maths with 18908288125272

• 18908288125272 backwards is 27252188280981
• 18908288125272 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18908288125272's digits is 63
• More coming soon!