6538741890

Names of 6538741890

• Cardinal: 6538741890 can be written as Six billion, five hundred thirty-eight million, seven hundred forty-one thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 6.53874189 × 10⁹

Factors of 6538741890

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2292

Divisors of 6538741890

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 10 15 19 30 38 57 61 89 95 114 122 178 183 190 267 285 305 366 445 534 570 610 890 915 1159 1335 1691 1830 2113 2318 2670 3382 3477 4226 5073 5429 5795 6339 6954 8455 10146 10565 10858 11590 12678 16287 16910 17385 21130 25365 27145 31695 32574 34770 40147 50730 54290 63390 80294 81435 103151 120441 128893 162870 188057 200735 206302 240882 257786 309453 376114 386679 401470 515755 564171 602205 618906 644465 773358 940285 1031510 1128342 1204410 1288930 1547265 1880570 1933395 2448967 2820855 3094530 3573083 3866790 4897934 5641710 7146166 7346901 10719249 11471477 12244835 14693802 17865415 21438498 22942954 24489670 34414431 35730830 36734505 53596245 57357385 68828862 73469010 107192490 114714770 172072155 217958063 344144310 435916126 653874189 1089790315 1307748378 2179580630 3269370945 6538741890
• Sum of all divisors σ(n): 16986412800
• Sum of proper divisors (its aliquot sum) s(n): 10447670910
• 6538741890 is an abundant number, because the sum of its proper divisors (10447670910) is greater than itself. Its abundance is 3908929020

Bases of 6538741890

• Binary: 110000101101111010100100010000010₂
• Hexadecimal: 0x185BD4882
• Base-36: 304ZXJ6

Squares and roots of 6538741890

• 6538741890 squared (6538741890²) is 42755145504040772100
• 6538741890 cubed (6538741890³) is 279564860920316560798213269000
• The square root of 6538741890 is 80862.4875328479
• The cube root of 6538741890 is 1869.9560447979

Scales and comparisons

• 6,538,741,890 seconds is equal to 207 years, 47 weeks, 2 days, 21 hours, 11 minutes, 30 seconds.
• To count from 1 to 6,538,741,890 would take you about four hundred fifteen 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 6538741890 cubic inches would be around 155.8 feet tall.

Recreational maths with 6538741890

• 6538741890 backwards is 0981478356
• The number of decimal digits it has is: 10
• The sum of 6538741890's digits is 51
• More coming soon!