138349534140

Names of 138349534140

• Cardinal: 138349534140 can be written as One hundred thirty-eight billion, three hundred forty-nine million, five hundred thirty-four thousand, one hundred forty.

Scientific notation

• Scientific notation: 1.3834953414 × 10¹¹

Factors of 138349534140

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1206

Divisors of 138349534140

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 67 81 90 108 134 135 162 180 201 268 270 324 335 402 405 540 603 670 804 810 1005 1129 1206 1340 1620 1809 2010 2258 2412 3015 3387 3618 4020 4516 5427 5645 6030 6774 7236 9045 10161 10854 11290 12060 13548 16935 18090 20322 21708 22580 27135 30483 33870 36180 40644 50805 54270 60966 67740 75643 91449 101610 108540 121932 151286 152415 182898 203220 226929 302572 304830 365796 378215 453858 457245 609660 680787 756430 907716 914490 1134645 1274641 1361574 1512860 1828980 2042361 2269290 2549282 2723148 3403935 3823923 4084722 4538580 5098564 6127083 6373205 6807870 7647846 8169444 10211805 11471769 12254166 12746410 13615740 15295692 19119615 20423610 22943538 24508332 25492820 30635415 34415307 38239230 40847220 45887076 57358845 61270830 68830614 76478460 85400947 103245921 114717690 122541660 137661228 170801894 172076535 206491842 229435380 256202841 341603788 344153070 412983684 427004735 512405682 516229605 688306140 768608523 854009470 1024811364 1032459210 1281014205 1537217046 1708018940 2064918420 2305825569 2562028410 3074434092 3843042615 4611651138 5124056820 6917476707 7686085230 9223302276 11529127845 13834953414 15372170460 23058255690 27669906828 34587383535 46116511380 69174767070 138349534140
• Sum of all divisors σ(n): 440875839096
• Sum of proper divisors (its aliquot sum) s(n): 302526304956
• 138349534140 is an abundant number, because the sum of its proper divisors (302526304956) is greater than itself. Its abundance is 164176770816

Bases of 138349534140

• Binary: 10000000110110010001100101101110111100₂
• Hexadecimal: 0x2036465BBC
• Base-36: 1RK1QNR0

Squares and roots of 138349534140

• 138349534140 squared (138349534140²) is 19140593596755025539600
• 138349534140 cubed (138349534140³) is 2648092207274124799107462121944000
• The square root of 138349534140 is 371953.6720345695
• The cube root of 138349534140 is 5172.0085445673

Scales and comparisons

• 138,349,534,140 seconds is equal to 4,399 years, 4 weeks, 3 days, 18 hours, 9 minutes.
• To count from 1 to 138,349,534,140 would take you about eight thousand, seven hundred ninety-eight 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 138349534140 cubic inches would be around 431 feet tall.

Recreational maths with 138349534140

• 138349534140 backwards is 041435943831
• 138349534140 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138349534140's digits is 45
• More coming soon!