1440228690

Names of 1440228690

• Cardinal: 1440228690 can be written as One billion, four hundred forty million, two hundred twenty-eight thousand, six hundred ninety.

Scientific notation

• Scientific notation: 1.44022869 × 10⁹

Factors of 1440228690

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 430

Divisors of 1440228690

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 19 30 31 38 45 57 62 90 93 95 101 114 155 171 186 190 202 269 279 285 303 310 342 465 505 538 558 570 589 606 807 855 909 930 1010 1178 1345 1395 1515 1614 1710 1767 1818 1919 2421 2690 2790 2945 3030 3131 3534 3838 4035 4545 4842 5111 5301 5757 5890 6262 8070 8339 8835 9090 9393 9595 10222 10602 11514 12105 15333 15655 16678 17271 17670 18786 19190 24210 25017 25555 26505 27169 28179 28785 30666 31310 34542 41695 45999 46965 50034 51110 53010 54338 56358 57570 59489 75051 76665 81507 83390 86355 91998 93930 118978 125085 135845 140895 150102 153330 158441 163014 172710 178467 229995 244521 250170 271690 281790 297445 316882 356934 375255 407535 459990 475323 489042 516211 535401 594890 750510 792205 815070 842239 892335 950646 1032422 1070802 1222605 1425969 1548633 1584410 1684478 1784670 2376615 2445210 2526717 2581055 2677005 2851938 3097266 4211195 4645899 4753230 5053434 5162110 5354010 7129845 7580151 7743165 8422390 9291798 12633585 14259690 15160302 15486330 16002541 23229495 25267170 32005082 37900755 46458990 48007623 75801510 80012705 96015246 144022869 160025410 240038115 288045738 480076230 720114345 1440228690
• Sum of all divisors σ(n): 4124390400
• Sum of proper divisors (its aliquot sum) s(n): 2684161710
• 1440228690 is an abundant number, because the sum of its proper divisors (2684161710) is greater than itself. Its abundance is 1243933020

Bases of 1440228690

• Binary: 1010101110110000010010101010010₂
• Hexadecimal: 0x55D82552
• Base-36: NTH3KI

Squares and roots of 1440228690

• 1440228690 squared (1440228690²) is 2074258679499116100
• 1440228690 cubed (1440228690³) is 2987406860696141836860909000
• The square root of 1440228690 is 37950.3450577199
• The cube root of 1440228690 is 1129.3030108065

Scales and comparisons

• 1,440,228,690 seconds is equal to 45 years, 41 weeks, 2 days, 7 hours, 31 minutes, 30 seconds.
• To count from 1 to 1,440,228,690 would take you about ninety-one 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 1440228690 cubic inches would be around 94.1 feet tall.

Recreational maths with 1440228690

• 1440228690 backwards is 0968220441
• The number of decimal digits it has is: 10
• The sum of 1440228690's digits is 36
• More coming soon!