18988538989875

Names of 18988538989875

• Cardinal: 18988538989875 can be written as Eighteen trillion, nine hundred eighty-eight billion, five hundred thirty-eight million, nine hundred eighty-nine thousand, eight hundred seventy-five.

Scientific notation

• Scientific notation: 1.8988538989875 × 10¹³

Factors of 18988538989875

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1312

Divisors of 18988538989875

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 5 7 13 15 21 25 35 39 49 65 71 75 91 105 125 147 169 175 195 213 245 273 325 355 375 455 497 507 525 637 735 845 875 923 975 1065 1183 1213 1225 1365 1491 1625 1775 1911 2275 2485 2535 2625 2769 3185 3479 3549 3639 3675 4225 4615 4875 5041 5325 5915 6065 6125 6461 6825 7455 8281 8491 8875 9555 10437 11375 11999 12425 12675 13845 15123 15769 15925 17395 17745 18195 18375 19383 21125 23075 24843 25205 25473 26625 29575 30325 32305 34125 35287 35997 37275 41405 42455 45227 47307 47775 52185 59437 59995 62125 63375 65533 69225 75615 78845 79625 83993 86123 86975 88725 90975 96915 105861 110383 115375 124215 126025 127365 135681 147875 151625 161525 176435 178311 179985 186375 196599 204997 207025 212275 226135 236535 238875 247009 251979 258369 260925 297185 299975 327665 331149 346125 378075 394225 419965 430615 434875 443625 454875 458731 484575 529305 551915 587951 602861 614991 621075 630125 636825 678405 741027 772681 807625 851929 882175 891555 899925 982995 1024985 1035125 1061375 1119599 1130675 1182675 1235045 1259895 1291845 1304625 1376193 1434979 1485925 1499875 1638325 1655745 1763853 1808583 1890375 1971125 2099825 2153075 2293655 2318043 2422875 2555787 2646525 2759575 2939755 3014305 3074955 3105375 3184125 3211117 3358797 3392025 3705135 3863405 4220027 4259645 4304937 4410875 4457775 4499625 4914975 5124925 5597995 5653375 5913375 5963503 6114733 6175225 6299475 6459225 6880965 7174895 7429625 7837193 8191625 8278725 8819265 9042915 9633351 10044853 10499125 10765375 11468275 11590215 12660081 12778935 13232625 13797875 14554787 14698775 15071525 15374775 16055585 16793985 16960125 17890509 18344199 18525675 19317025 21100135 21298225 21524685 22288875 23511579 24574875 25624625 27989975 29817515 30134559 30573665 30876125 31497375 32296125 34404825 35874475 39185965 41393625 41744521 42803131 43664361 44096325 45214575 48166755 50224265 54860351 57341375 57951075 63300405 63894675 72773935 73493875 75357625 76873875 79491529 80277925 83969925 89452545 91720995 92628375 96585125 101883509 105500675 106491125 107623425 117557895 125233563 128409393 139949875 149087575 150672795 152868325 164581053 172024125 179372375 195929825 208722605 214015655 218321805 220481625 226072875 238474587 240833775 251121325 274301755 289755375 299621917 305650527 316502025 319473375 363869675 397457645 401389625 419849625 447262725 458604975 509417545 527503375 538117125 556440703 587789475 626167815 642046965 713184563 745437875 753363975 764341625 822905265 898865751 979649125 1033389877 1043613025 1070078275 1091609025 1192372935 1204168875 1255606625 1371508775 1498109585 1528252635 1582510125 1669322109 1819348375 1987288225 2139553689 2236313625 2293024875 2547087725 2782203515 2938947375 3100169631 3130839075 3210234825 3565922815 3766819875 3895084921 4114526325 4494328755 5166949385 5218065125 5350391375 5458045125 5961864675 6857543875 7233729139 7490547925 7641263175 8346610545 9936441125 10697768445 11685254763 12735438625 13911017575 15500848155 15654195375 16051174125 17829614075 19475424605 20572631625 21701187417 22471643775 25834746925 29809323375 36168645695 37452739625 38206315875 41733052725 50636103973 53488842225 58426273815 69555087875 77504240775 89148070375 97377123025 108505937085 112358218875 129173734625 151908311919 180843228475 208665263625 253180519865 267444211125 292131369075 387521203875 486885615125 542529685425 759541559595 904216142375 1265902599325 1460656845375 2712648427125 3797707797975 6329512996625 18988538989875
• Sum of all divisors σ(n): 40402200035808
• Sum of proper divisors (its aliquot sum) s(n): 21413661045933
• 18988538989875 is an abundant number, because the sum of its proper divisors (21413661045933) is greater than itself. Its abundance is 2425122056058

Bases of 18988538989875

• Binary: 100010100010100011101000111110000110100110011₂
• Hexadecimal: 0x11451D1F0D33
• Base-36: 6QB7PUF5F

Squares and roots of 18988538989875

• 18988538989875 squared (18988538989875²) is 360564612970003085352515625
• 18988538989875 cubed (18988538989875³) is 6846595211750092710015290454227654296875
• The square root of 18988538989875 is 4357584.0772009207
• The cube root of 18988538989875 is 26678.6500434257

Scales and comparisons

• 18,988,538,989,875 seconds is equal to 603,776 years, 41 weeks, 5 days, 19 hours, 51 minutes, 15 seconds.
• To count from 1 to 18,988,538,989,875 would take you about one million, five hundred nine thousand, four hundred forty-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 18988538989875 cubic inches would be around 2223.2 feet tall.

Recreational maths with 18988538989875

• 18988538989875 backwards is 57898983588981
• The number of decimal digits it has is: 14
• The sum of 18988538989875's digits is 96
• More coming soon!