31145105728125

Names of 31145105728125

• Cardinal: 31145105728125 can be written as Thirty-one trillion, one hundred forty-five billion, one hundred five million, seven hundred twenty-eight thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 3.1145105728125 × 10¹³

Factors of 31145105728125

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1311

Divisors of 31145105728125

• Number of divisors d(n): 336
• Complete list of divisors:
  1 3 5 9 15 25 27 43 45 75 81 125 129 135 215 225 243 349 375 387 405 625 645 675 729 911 1047 1075 1125 1161 1215 1745 1875 1935 2025 2733 3125 3141 3225 3375 3483 3645 4555 5235 5375 5625 5805 6075 8199 8725 9375 9423 9675 10125 10449 13665 15007 15705 16125 16875 17415 18225 22775 24597 26175 26875 28125 28269 29025 30375 31347 39173 40995 43625 45021 47115 48375 50625 52245 68325 73791 75035 78525 80625 84375 84807 87075 91125 113875 117519 122985 130875 134375 135063 141345 145125 151875 156735 195865 204975 218125 221373 225105 235575 241875 253125 254421 261225 317939 341625 352557 368955 375175 392625 403125 405189 424035 435375 455625 569375 587595 614925 654375 664119 675315 706725 725625 759375 783675 953817 979325 1024875 1057671 1090625 1106865 1125525 1177875 1209375 1215567 1272105 1306125 1589695 1708125 1762785 1844775 1875875 1963125 2025945 2120175 2176875 2278125 2846875 2861451 2937975 3074625 3173013 3271875 3320595 3376575 3533625 3628125 3646701 3918375 4769085 4896625 5124375 5288355 5534325 5627625 5889375 6077835 6360525 6530625 7948475 8540625 8584353 8813925 9223875 9379375 9519039 9815625 10129725 10600875 10884375 10940103 13671377 14307255 14689875 15373125 15865065 16602975 16882875 17668125 18233505 19591875 23845425 24483125 25621875 25753059 26441775 27671625 28138125 28557117 29446875 30389175 31802625 32653125 39742375 41014131 42921765 44069625 46119375 46896875 47595195 50648625 53004375 54700515 68356885 71536275 73449375 76865625 77259177 79325325 83014875 84414375 88340625 91167525 97959375 119227125 122415625 123042393 128765295 132208875 138358125 140690625 142785585 151945875 159013125 198711875 205070655 214608825 220348125 230596875 231777531 237975975 253243125 265021875 273502575 341784425 357681375 367246875 369127179 386295885 396626625 415074375 422071875 455837625 596135625 615211965 643826475 661044375 691790625 713927925 759729375 795065625 993559375 1025353275 1073044125 1101740625 1107381537 1158887655 1189879875 1266215625 1367512875 1708922125 1788406875 1845635895 1931479425 1983133125 2075371875 2279188125 2980678125 3076059825 3219132375 3305221875 3322144611 3569639625 3798646875 5126766375 5365220625 5536907685 5794438275 5949399375 6837564375 8544610625 8942034375 9228179475 9657397125 9915665625 9966433833 11395940625 15380299125 16095661875 16610723055 17848198125 25633831875 26826103125 27684538425 28972191375 29746996875 34187821875 42723053125 46140897375 48286985625 49832169165 76901495625 80478309375 83053615275 89240990625 128169159375 138422692125 144860956875 230704486875 241434928125 249160845825 384507478125 415268076375 692113460625 724304784375 1153522434375 1245804229125 2076340381875 3460567303125 6229021145625 10381701909375 31145105728125
• Sum of all divisors σ(n): 59960874758400
• Sum of proper divisors (its aliquot sum) s(n): 28815769030275
• 31145105728125 is a deficient number, because the sum of its proper divisors (28815769030275) is less than itself. Its deficiency is 2329336697850

Bases of 31145105728125

• Binary: 111000101001110001000111101101010001001111101₂
• Hexadecimal: 0x1C5388F6A27D
• Base-36: B1FV3T2T9

Squares and roots of 31145105728125

• 31145105728125 squared (31145105728125²) is 970017610816084686416015625
• 31145105728125 cubed (31145105728125³) is 30211301047010166122780542618927001953125
• The square root of 31145105728125 is 5580780.0286451893
• The cube root of 31145105728125 is 31462.7444751085

Scales and comparisons

• 31,145,105,728,125 seconds is equal to 990,318 years, 1 week, 1 day, 17 hours, 48 minutes, 45 seconds.
• To count from 1 to 31,145,105,728,125 would take you about two million, four hundred seventy-five thousand, seven hundred ninety-five 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 31145105728125 cubic inches would be around 2621.9 feet tall.

Recreational maths with 31145105728125

• 31145105728125 backwards is 52182750154113
• 31145105728125 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 31145105728125's digits is 45
• More coming soon!