138893438494124013349

Names of 138893438494124013349

• Cardinal: 138893438494124013349 can be written as One hundred thirty-eight quintillion, eight hundred ninety-three quadrillion, four hundred thirty-eight trillion, four hundred ninety-four billion, one hundred twenty-four million, thirteen thousand, three hundred forty-nine.

Scientific notation

• Scientific notation: 1.38893438494124013349 × 10²⁰

Factors of 138893438494124013349

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3622694060

Divisors of 138893438494124013349

• Number of divisors d(n): 144
• Complete list of divisors:
  1 13 19 23 89 169 247 299 307 361 437 1157 1691 2047 3211 3887 3991 4693 5681 5833 7061 8303 15041 21983 26611 27323 32129 38893 51883 61009 73853 75829 91793 107939 110827 134159 285779 345943 355199 417677 505609 519137 628429 738967 985777 1193309 1403207 1440751 1744067 2549021 4617587 5429801 6572917 6748781 8169577 9606571 9863603 11940151 18729763 22672871 33137273 87734153 106204501 124885423 128226839 155221963 226862869 430784549 1666948907 2017885519 2949217297 3622693609 38339824861 47095016917 68831178571 83321953007 322419731201 612235219921 894805321423 1083185389091 1112166937963 1307792392849 1583117107133 4191456505613 6125974892819 7415653817623 11632469178499 14081410058183 14458170193519 17001301107037 20580522392729 21131171821297 25579839573149 30079225035527 54488934572969 79637673606647 96403499629099 98982857478707 116393522963561 140897422534837 187956212515747 221016914391481 267546791105477 274705233676861 332537914450937 391029925461851 401492264604643 486016951889831 1035289756886411 1253245495178287 1286777147223191 1513115798526293 1831666492952881 1880674292095433 2276605722010261 2677051028161903 3571168037799193 4322992887862181 5083389031004063 5219399439860359 6318220374567803 9234322085906789 16728102913901483 19670505380841809 23811664408387453 24448765797240629 29595874386133393 34801663366104739 35732811549813227 43255508718194959 67852192718184667 82136864869381439 120046187116788257 317833955364128177 384746367019734109 452421623759361607 464526550147571951 562321613336534467 821854665645704221 1560600432518247341 6038845151918435363 7310180973374948071 10684110653394154873 138893438494124013349
• Sum of all divisors σ(n): 168039793087709558400
• Sum of proper divisors (its aliquot sum) s(n): 29146354593585545051
• 138893438494124013349 is a deficient number, because the sum of its proper divisors (29146354593585545051) is less than itself. Its deficiency is 109747083900538468298

Bases of 138893438494124013349

• Binary: 1111000011110001000100111100110101111100010110100111111011100100101₂
• Hexadecimal: 0x787889E6BE2D3F725
• Base-36: TB8WESTPEOCH1

Squares and roots of 138893438494124013349

• 138893438494124013349 squared (138893438494124013349²) is 19291387256721010268959548292122730195801
• 138893438494124013349 cubed (138893438494124013349³) is 2679447109407707417449837313328088235479076140654298707747549
• The square root of 138893438494124013349 is 11785306041.5979021511
• The cube root of 138893438494124013349 is 5178777.3893641093

Scales and comparisons

• 138,893,438,494,124,013,349 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,893,438,494,124,013,349 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 138893438494124013349 cubic inches would be around 431564.8 feet tall.

Recreational maths with 138893438494124013349

• 138893438494124013349 backwards is 943310421494834398831
• The number of decimal digits it has is: 21
• The sum of 138893438494124013349's digits is 91
• More coming soon!