1218157373768

Names of 1218157373768

• Cardinal: 1218157373768 can be written as One trillion, two hundred eighteen billion, one hundred fifty-seven million, three hundred seventy-three thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 1.218157373768 × 10¹²

Factors of 1218157373768

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 626

Divisors of 1218157373768

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 8 17 34 37 68 74 79 136 148 158 296 316 491 629 632 982 1258 1343 1964 2516 2686 2923 3928 5032 5372 5846 6241 8347 10744 11692 12482 16694 18167 23384 24964 33388 36334 38789 49691 49928 66776 72668 77578 99382 106097 145336 155156 198764 212194 230917 308839 310312 397528 424388 461834 493039 617678 659413 848776 923668 986078 1235356 1318826 1435193 1847336 1972156 2470712 2637652 2870386 3064331 3925589 3944312 5275304 5740772 6128662 7851178 8381663 11481544 12257324 15702356 16763326 18242443 24398281 24514648 31404712 33526652 36484886 48796562 52093627 67053304 72969772 97593124 104187254 113380247 145939544 195186248 208374508 226760494 242082149 310121531 416749016 453520988 484164298 620243062 907041976 968328596 1240486124 1927464199 1936657192 2480972248 3854928398 4115396533 7709856796 8230793066 8957039513 15419713592 16461586132 17914079026 32923172264 35828158052 71656316104 152269671721 304539343442 609078686884 1218157373768
• Sum of all divisors σ(n): 2520729331200
• Sum of proper divisors (its aliquot sum) s(n): 1302571957432
• 1218157373768 is an abundant number, because the sum of its proper divisors (1302571957432) is greater than itself. Its abundance is 84414583664

Bases of 1218157373768

• Binary: 10001101110011111110101100110100101001000₂
• Hexadecimal: 0x11B9FD66948
• Base-36: FJM3G56W

Squares and roots of 1218157373768

• 1218157373768 squared (1218157373768²) is 1483907387265350854517824
• 1218157373768 cubed (1218157373768³) is 1807632725786094324282527121786040832
• The square root of 1218157373768 is 1103701.6688254123
• The cube root of 1218157373768 is 10679.9150802161

Scales and comparisons

• 1,218,157,373,768 seconds is equal to 38,733 years, 33 weeks, 16 hours, 16 minutes, 8 seconds.
• To count from 1 to 1,218,157,373,768 would take you about ninety-six thousand, eight hundred thirty-four 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 1218157373768 cubic inches would be around 890 feet tall.

Recreational maths with 1218157373768

• 1218157373768 backwards is 8673737518121
• The number of decimal digits it has is: 13
• The sum of 1218157373768's digits is 59
• More coming soon!