2489308990

Names of 2489308990

• Cardinal: 2489308990 can be written as Two billion, four hundred eighty-nine million, three hundred eight thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 2.48930899 × 10⁹

Factors of 2489308990

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 374

Divisors of 2489308990

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 7 10 14 31 35 62 70 71 107 142 151 155 214 217 302 310 355 434 497 535 710 749 755 994 1057 1070 1085 1498 1510 2114 2170 2201 2485 3317 3745 4402 4681 4970 5285 6634 7490 7597 9362 10570 10721 11005 15194 15407 16157 16585 21442 22010 23219 23405 30814 32314 32767 33170 37985 46438 46810 53179 53605 65534 75047 75970 77035 80785 106358 107210 113099 116095 150094 154070 161570 163835 226198 232190 235507 265895 327670 332351 375235 471014 500867 531790 565495 664702 750470 1001734 1130990 1147147 1177535 1648549 1661755 2294294 2326457 2355070 2504335 3297098 3323510 3506069 4652914 5008670 5735735 7012138 8030029 8242745 11471470 11632285 16060058 16485490 17530345 23264570 35060690 35561557 40150145 71123114 80300290 177807785 248930899 355615570 497861798 1244654495 2489308990
• Sum of all divisors σ(n): 5446434816
• Sum of proper divisors (its aliquot sum) s(n): 2957125826
• 2489308990 is an abundant number, because the sum of its proper divisors (2957125826) is greater than itself. Its abundance is 467816836

Bases of 2489308990

• Binary: 10010100010111111101011100111110₂
• Hexadecimal: 0x945FD73E
• Base-36: 1562J3Y

Squares and roots of 2489308990

• 2489308990 squared (2489308990²) is 6196659247694820100
• 2489308990 cubed (2489308990³) is 15425399573253352451362699000
• The square root of 2489308990 is 49892.9753572585
• The cube root of 2489308990 is 1355.2713862085

Scales and comparisons

• 2,489,308,990 seconds is equal to 79 years, 7 weeks, 6 days, 10 hours, 43 minutes, 10 seconds.
• To count from 1 to 2,489,308,990 would take you about one hundred fifty-eight 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 2489308990 cubic inches would be around 112.9 feet tall.

Recreational maths with 2489308990

• 2489308990 backwards is 0998039842
• The number of decimal digits it has is: 10
• The sum of 2489308990's digits is 52
• More coming soon!