155140106688

Names of 155140106688

• Cardinal: 155140106688 can be written as One hundred fifty-five billion, one hundred forty million, one hundred six thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 1.55140106688 × 10¹¹

Factors of 155140106688

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 6215

Divisors of 155140106688

• Number of divisors d(n): 126
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 112 126 144 168 192 224 252 288 336 448 504 576 672 1008 1344 2016 4032 6203 12406 18609 24812 37218 43421 49624 55827 74436 86842 99248 111654 130263 148872 173684 198496 223308 260526 297744 347368 390789 396992 446616 521052 595488 694736 781578 893232 1042104 1190976 1389472 1563156 1786464 2084208 2778944 3126312 3572928 4168416 6252624 8336832 12505248 25010496 38477209 76954418 115431627 153908836 230863254 269340463 307817672 346294881 461726508 538680926 615635344 692589762 808021389 923453016 1077361852 1231270688 1385179524 1616042778 1846906032 2154723704 2424064167 2462541376 2770359048 3232085556 3693812064 4309447408 4848128334 5540718096 6464171112 7387624128 8618894816 9696256668 11081436192 12928342224 17237789632 19392513336 22162872384 25856684448 38785026672 51713368896 77570053344 155140106688
• Sum of all divisors σ(n): 508288918904
• Sum of proper divisors (its aliquot sum) s(n): 353148812216
• 155140106688 is an abundant number, because the sum of its proper divisors (353148812216) is greater than itself. Its abundance is 198008705528

Bases of 155140106688

• Binary: 10010000011111000100100010100111000000₂
• Hexadecimal: 0x241F1229C0
• Base-36: 1Z9QEWG0

Squares and roots of 155140106688

• 155140106688 squared (155140106688²) is 24068452703164022329344
• 155140106688 cubed (155140106688³) is 3733982320183948419337642433052672
• The square root of 155140106688 is 393878.2891808079
• The cube root of 155140106688 is 5373.3033815969

Scales and comparisons

• 155,140,106,688 seconds is equal to 4,932 years, 50 weeks, 5 days, 2 hours, 4 minutes, 48 seconds.
• To count from 1 to 155,140,106,688 would take you about nine thousand, eight hundred sixty-five 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 155140106688 cubic inches would be around 447.8 feet tall.

Recreational maths with 155140106688

• 155140106688 backwards is 886601041551
• The number of decimal digits it has is: 12
• The sum of 155140106688's digits is 45
• More coming soon!