138158998698

Names of 138158998698

• Cardinal: 138158998698 can be written as One hundred thirty-eight billion, one hundred fifty-eight million, nine hundred ninety-eight thousand, six hundred ninety-eight.

Scientific notation

• Scientific notation: 1.38158998698 × 10¹¹

Factors of 138158998698

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 569

Divisors of 138158998698

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 7 14 21 42 49 61 98 122 147 149 183 294 298 347 366 427 447 694 854 894 1041 1043 1281 2082 2086 2429 2562 2989 3129 4858 5978 6258 7287 7301 8967 9089 14574 14602 17003 17934 18178 21167 21903 22201 27267 34006 42334 43806 44402 51009 51703 54534 63501 63623 66603 102018 103406 127002 127246 133206 148169 155109 155407 190869 296338 310218 310814 361921 381738 444507 445361 466221 723842 889014 890722 932442 1037183 1085763 1087849 1336083 1354261 2074366 2171526 2175698 2533447 2672166 2708522 3111549 3153883 3263547 4062783 5066894 6223098 6307766 6527094 7600341 7703747 8125566 9461649 9479827 15200682 15407494 18923298 18959654 22077181 23111241 28439481 44154362 46222482 53926229 56878962 66231543 66358789 107852458 132463086 132717578 154540267 161778687 199076367 309080534 323557374 377483603 398152734 463620801 469928567 754967206 927241602 939857134 1132450809 1409785701 2264901618 2819571402 3289499969 6578999938 9868499907 19736999814 23026499783 46052999566 69079499349 138158998698
• Sum of all divisors σ(n): 329855700384
• Sum of proper divisors (its aliquot sum) s(n): 191696701686
• 138158998698 is an abundant number, because the sum of its proper divisors (191696701686) is greater than itself. Its abundance is 53537702988

Bases of 138158998698

• Binary: 10000000101010111010110000010010101010₂
• Hexadecimal: 0x202AEB04AA
• Base-36: 1RGWATNU

Squares and roots of 138158998698

• 138158998698 squared (138158998698²) is 19087908921233965695204
• 138158998698 cubed (138158998698³) is 2637166383796306051037066100844392
• The square root of 138158998698 is 371697.4558669995
• The cube root of 138158998698 is 5169.6331512675

Scales and comparisons

• 138,158,998,698 seconds is equal to 4,393 years, 1 week, 3 days, 11 hours, 38 minutes, 18 seconds.
• To count from 1 to 138,158,998,698 would take you about eight thousand, seven hundred eighty-six 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 138158998698 cubic inches would be around 430.8 feet tall.

Recreational maths with 138158998698

• 138158998698 backwards is 896899851831
• The number of decimal digits it has is: 12
• The sum of 138158998698's digits is 75
• More coming soon!