428974516890

Names of 428974516890

• Cardinal: 428974516890 can be written as Four hundred twenty-eight billion, nine hundred seventy-four million, five hundred sixteen thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 4.2897451689 × 10¹¹

Factors of 428974516890

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2567

Divisors of 428974516890

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 243 270 405 486 729 810 1215 1458 2187 2430 2557 3645 4374 5114 6561 7290 7671 10935 12785 13122 15342 21870 23013 25570 32805 38355 46026 65610 69039 76710 115065 138078 207117 230130 345195 414234 621351 690390 1035585 1242702 1864053 2071170 3106755 3728106 5592159 6213510 6538249 9320265 11184318 13076498 16776477 18640530 19614747 27960795 32691245 33552954 39229494 55921590 58844241 65382490 83882385 98073735 117688482 167764770 176532723 196147470 294221205 353065446 529598169 588442410 882663615 1059196338 1588794507 1765327230 2647990845 3177589014 4766383521 5295981690 7943972535 9532767042 14299150563 15887945070 23831917605 28598301126 42897451689 47663835210 71495752815 85794903378 142991505630 214487258445 428974516890
• Sum of all divisors σ(n): 1158625470366
• Sum of proper divisors (its aliquot sum) s(n): 729650953476
• 428974516890 is an abundant number, because the sum of its proper divisors (729650953476) is greater than itself. Its abundance is 300676436586

Bases of 428974516890

• Binary: 110001111100000110111111010101010011010₂
• Hexadecimal: 0x63E0DFAA9A
• Base-36: 5H2GCNMI

Squares and roots of 428974516890

• 428974516890 squared (428974516890²) is 184019136141008895272100
• 428974516890 cubed (428974516890³) is 78939520024604429766541702595769000
• The square root of 428974516890 is 654961.4621410941
• The cube root of 428974516890 is 7541.8373948915

Scales and comparisons

• 428,974,516,890 seconds is equal to 13,640 years, 3 weeks, 1 day, 20 hours, 1 minute, 30 seconds.
• To count from 1 to 428,974,516,890 would take you about twenty-seven thousand, two hundred eighty 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 428974516890 cubic inches would be around 628.5 feet tall.

Recreational maths with 428974516890

• 428974516890 backwards is 098615479824
• The number of decimal digits it has is: 12
• The sum of 428974516890's digits is 63
• More coming soon!