138745413654380

Names of 138745413654380

• Cardinal: 138745413654380 can be written as One hundred thirty-eight trillion, seven hundred forty-five billion, four hundred thirteen million, six hundred fifty-four thousand, three hundred eighty.

Scientific notation

• Scientific notation: 1.3874541365438 × 10¹⁴

Factors of 138745413654380

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 36440

Divisors of 138745413654380

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 5 10 13 20 26 31 52 62 65 124 130 155 169 260 310 338 403 620 676 806 845 1612 1690 2015 3380 4030 5239 8060 10478 20956 26195 36389 52390 72778 104780 145556 181945 363890 473057 727780 946114 1128059 1892228 2256118 2365285 4512236 4730570 5640295 6149741 9461140 11280590 12299482 14664767 22561180 24598964 29329534 30748705 58659068 61497410 73323835 122994820 146647670 190641971 293295340 381283942 762567884 953209855 1324159321 1906419710 2648318642 3812839420 5296637284 6620796605 13241593210 17214071173 26483186420 34428142346 41048938951 68856284692 82097877902 86070355865 164195755804 172140711730 205244694755 223782925249 344281423460 410489389510 447565850498 533636206363 820978779020 895131700996 1067272412726 1118914626245 2134544825452 2237829252490 2668181031815 4475658504980 5336362063630 6937270682719 10672724127260 13874541365438 27749082730876 34686353413595 69372706827190 138745413654380
• Sum of all divisors σ(n): 325688583511872
• Sum of proper divisors (its aliquot sum) s(n): 186943169857492
• 138745413654380 is an abundant number, because the sum of its proper divisors (186943169857492) is greater than itself. Its abundance is 48197756203112

Bases of 138745413654380

• Binary: 11111100011000000101111000110000101011101101100₂
• Hexadecimal: 0x7E302F18576C
• Base-36: 1D6IRGZM98

Squares and roots of 138745413654380

• 138745413654380 squared (138745413654380²) is 19250289810125016146093184400
• 138745413654380 cubed (138745413654380³) is 2670889422672491592770975271743615207672000
• The square root of 138745413654380 is 11779024.3082515115
• The cube root of 138745413654380 is 51769.3698521081

Scales and comparisons

• 138,745,413,654,380 seconds is equal to 4,411,674 years, 51 weeks, 2 days, 1 hour, 46 minutes, 20 seconds.
• To count from 1 to 138,745,413,654,380 would take you about eleven million, twenty-nine thousand, one hundred eighty-seven 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 138745413654380 cubic inches would be around 4314.1 feet tall.

Recreational maths with 138745413654380

• 138745413654380 backwards is 083456314547831
• 138745413654380 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 138745413654380's digits is 62
• More coming soon!