139021497868348840

Names of 139021497868348840

• Cardinal: 139021497868348840 can be written as One hundred thirty-nine quadrillion, twenty-one trillion, four hundred ninety-seven billion, eight hundred sixty-eight million, three hundred forty-eight thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.3902149786834884 × 10¹⁷

Factors of 139021497868348840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 662497

Divisors of 139021497868348840

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 8 10 20 40 89 178 356 445 712 890 1780 3560 7921 15842 31684 39605 63368 79210 158420 316840 662401 1324802 2649604 3312005 5299208 6624010 13248020 26496040 58953689 117907378 235814756 294768445 471629512 589536890 1179073780 2358147560 5246878321 10493756642 20987513284 26234391605 41975026568 52468783210 104937566420 209875132840 438775084801 877550169602 1755100339204 2193875424005 3510200678408 4387750848010 8775501696020 17551003392040 39050982547289 78101965094578 156203930189156 195254912736445 312407860378312 390509825472890 781019650945780 1562039301891560 3475537446708721 6951074893417442 13902149786834884 17377687233543605 27804299573669768 34755374467087210 69510748934174420 139021497868348840
• Sum of all divisors σ(n): 316352925975890970
• Sum of proper divisors (its aliquot sum) s(n): 177331428107542130
• 139021497868348840 is an abundant number, because the sum of its proper divisors (177331428107542130) is greater than itself. Its abundance is 38309930239193290

Bases of 139021497868348840

• Binary: 111101101111001110101000011010100100101011110110110101000₂
• Hexadecimal: 0x1EDE750D495EDA8
• Base-36: 120V0AG23XD4

Squares and roots of 139021497868348840

• 139021497868348840 squared (139021497868348840²) is 19326976869559321064056667929345600
• 139021497868348840 cubed (139021497868348840³) is 2686865273673068490017458625530688833075653719104000
• The square root of 139021497868348840 is 372855867.4184286455
• The cube root of 139021497868348840 is 518036.8506705953

Scales and comparisons

• 139,021,497,868,348,840 seconds is equal to 4,420,453,610 years, 25 weeks, 2 days, 40 seconds.
• To count from 1 to 139,021,497,868,348,840 would take you about thirteen billion, two hundred sixty-one million, three hundred sixty thousand, eight hundred thirty-one 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 139021497868348840 cubic inches would be around 43169.7 feet tall.

Recreational maths with 139021497868348840

• 139021497868348840 backwards is 048843868794120931
• The number of decimal digits it has is: 18
• The sum of 139021497868348840's digits is 85
• More coming soon!