1388821099809

Names of 1388821099809

• Cardinal: 1388821099809 can be written as One trillion, three hundred eighty-eight billion, eight hundred twenty-one million, ninety-nine thousand, eight hundred nine.

Scientific notation

• Scientific notation: 1.388821099809 × 10¹²

Factors of 1388821099809

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1164

Divisors of 1388821099809

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 11 13 31 33 39 93 97 121 143 291 341 363 403 429 1009 1023 1067 1209 1261 1573 3007 3027 3201 3751 3783 4433 4719 9021 9409 11099 11253 11737 13117 13299 13871 28227 31279 33077 33297 35211 39091 39351 41613 48763 93837 97873 99231 103499 117273 122089 122317 144287 146289 152581 291679 293619 310497 344069 363847 366267 366951 406627 430001 432861 457743 875037 1032207 1076603 1091541 1138489 1219881 1272349 1290003 1345487 1587157 3034063 3208469 3229809 3415467 3784759 3791827 3817047 4036461 4472897 4730011 4761471 9102189 9493681 9625407 11354277 11375481 11842633 13418691 13995839 14190033 14800357 28481043 33374693 35293159 35527899 39442819 41710097 41987517 44401071 49201867 100124079 104430491 105879477 118328457 123417853 125130291 147605601 153954229 294304111 313291473 367121623 370253559 433871009 458811067 461862687 882912333 1101364869 1148735401 1301613027 1357596383 1376433201 3237345221 3446206203 3825953443 4072789149 4772581099 9712035663 11477860329 14317743297 14933560213 35610797431 42085487873 44800680639 106832392293 126256463619 462940366603 1388821099809
• Sum of all divisors σ(n): 2288518955520
• Sum of proper divisors (its aliquot sum) s(n): 899697855711
• 1388821099809 is a deficient number, because the sum of its proper divisors (899697855711) is less than itself. Its deficiency is 489123244098

Bases of 1388821099809

• Binary: 10100001101011100001100000011010100100001₂
• Hexadecimal: 0x1435C303521
• Base-36: HQ0K82ZL

Squares and roots of 1388821099809

• 1388821099809 squared (1388821099809²) is 1928824047274680339836481
• 1388821099809 cubed (1388821099809³) is 2678791534674068158690611417640332129
• The square root of 1388821099809 is 1178482.5411557865
• The cube root of 1388821099809 is 11157.0343107745

Scales and comparisons

• 1,388,821,099,809 seconds is equal to 44,160 years, 11 weeks, 1 day, 6 hours, 50 minutes, 9 seconds.
• To count from 1 to 1,388,821,099,809 would take you about one hundred ten thousand, four hundred 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 1388821099809 cubic inches would be around 929.8 feet tall.

Recreational maths with 1388821099809

• 1388821099809 backwards is 9089901288831
• The number of decimal digits it has is: 13
• The sum of 1388821099809's digits is 66
• More coming soon!