138428188786301445

Names of 138428188786301445

• Cardinal: 138428188786301445 can be written as One hundred thirty-eight quadrillion, four hundred twenty-eight trillion, one hundred eighty-eight billion, seven hundred eighty-six million, three hundred one thousand, four hundred forty-five.

Scientific notation

• Scientific notation: 1.38428188786301445 × 10¹⁷

Factors of 138428188786301445

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 188

Divisors of 138428188786301445

• Number of divisors d(n): 126
• Complete list of divisors:
  1 3 5 9 15 45 83 97 249 291 415 485 747 873 1245 1455 3735 4365 6889 8051 9409 20667 24153 28227 34445 40255 47045 62001 72459 84681 103335 120765 141135 310005 362295 423405 571787 668233 780947 1715361 2004699 2342841 2858935 3341165 3904735 5146083 6014097 7028523 8576805 10023495 11714205 25730415 30070485 35142615 47458321 55463339 64818601 142374963 166390017 194455803 237291605 277316695 324093005 427124889 499170051 583367409 711874815 831950085 972279015 2135624445 2495850255 2916837045 3939040643 4603457137 5379943883 11817121929 13810371411 16139831649 19695203215 23017285685 26899719415 35451365787 41431114233 48419494947 59085609645 69051857055 80699158245 177256828935 207155571165 242097474735 326940373369 382086942371 446535342289 980821120107 1146260827113 1339606026867 1634701866845 1910434711855 2232676711445 2942463360321 3438782481339 4018818080601 4904105600535 5731304135565 6698030134335 14712316801605 17193912406695 20094090403005 31713216216793 37062433409987 95139648650379 111187300229961 158566081083965 185312167049935 285418945951137 333561900689883 475698243251895 555936501149805 1427094729755685 1667809503449415 3076181973028921 9228545919086763 15380909865144605 27685637757260289 46142729595433815 138428188786301445
• Sum of all divisors σ(n): 245397927648209778
• Sum of proper divisors (its aliquot sum) s(n): 106969738861908333
• 138428188786301445 is a deficient number, because the sum of its proper divisors (106969738861908333) is less than itself. Its deficiency is 31458449924393112

Bases of 138428188786301445

• Binary: 111101011110010111011010001001011100000100001101000000101₂
• Hexadecimal: 0x1EBCBB44B821A05
• Base-36: 11V0P40LG079

Squares and roots of 138428188786301445

• 138428188786301445 squared (138428188786301445²) is 19162363450655913124533282409088025
• 138428188786301445 cubed (138428188786301445³) is 2652611265339119536180491317197314942107695189696125
• The square root of 138428188786301445 is 372059388.7893456251
• The cube root of 138428188786301445 is 517298.8491091113

Scales and comparisons

• 138,428,188,786,301,445 seconds is equal to 4,401,588,216 years, 46 weeks, 6 days, 13 hours, 30 minutes, 45 seconds.
• To count from 1 to 138,428,188,786,301,445 would take you about thirteen billion, two hundred four million, seven hundred sixty-four thousand, six hundred fifty 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 138428188786301445 cubic inches would be around 43108.2 feet tall.

Recreational maths with 138428188786301445

• 138428188786301445 backwards is 544103687881824831
• The number of decimal digits it has is: 18
• The sum of 138428188786301445's digits is 81
• More coming soon!