1989765127688

Names of 1989765127688

• Cardinal: 1989765127688 can be written as One trillion, nine hundred eighty-nine billion, seven hundred sixty-five million, one hundred twenty-seven thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 1.989765127688 × 10¹²

Factors of 1989765127688

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 242

Divisors of 1989765127688

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 4 8 13 26 52 104 169 227 338 454 676 908 1352 1816 2197 2951 4394 5902 8788 11804 17576 23608 28561 38363 51529 57122 76726 103058 114244 153452 206116 228488 306904 371293 412232 498719 669877 742586 997438 1339754 1485172 1994876 2679508 2970344 3989752 4826809 5359016 6483347 8708401 9653618 12966694 17416802 19307236 25933388 34833604 38614472 51866776 69667208 84283511 113209213 168567022 226418426 337134044 452836852 674268088 905673704 1095685643 1471719769 2191371286 2943439538 4382742572 5886879076 8765485144 11773758152 19132356997 38264713994 76529427988 153058855976 248720640961 497441281922 994882563844 1989765127688
• Sum of all divisors σ(n): 4059593678265
• Sum of proper divisors (its aliquot sum) s(n): 2069828550577
• 1989765127688 is an abundant number, because the sum of its proper divisors (2069828550577) is greater than itself. Its abundance is 80063422889

Bases of 1989765127688

• Binary: 11100111101000111001111100101111000001000₂
• Hexadecimal: 0x1CF473E5E08
• Base-36: PE32S6IW

Squares and roots of 1989765127688

• 1989765127688 squared (1989765127688²) is 3959165263363242944225344
• 1989765127688 cubed (1989765127688³) is 7877808975793857245242306666405724672
• The square root of 1989765127688 is 1410590.3472262951
• The cube root of 1989765127688 is 12577.6818481321

Scales and comparisons

• 1,989,765,127,688 seconds is equal to 63,268 years, 19 weeks, 3 days, 23 hours, 28 minutes, 8 seconds.
• To count from 1 to 1,989,765,127,688 would take you about one hundred fifty-eight thousand, one hundred seventy 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 1989765127688 cubic inches would be around 1048.1 feet tall.

Recreational maths with 1989765127688

• 1989765127688 backwards is 8867215679891
• The number of decimal digits it has is: 13
• The sum of 1989765127688's digits is 77
• More coming soon!