1345002890

Names of 1345002890

• Cardinal: 1345002890 can be written as One billion, three hundred forty-five million, two thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.34500289 × 10⁹

Factors of 1345002890

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 152

Divisors of 1345002890

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 5 7 10 11 14 22 29 31 35 55 58 62 67 70 77 110 134 145 154 155 203 217 290 310 319 335 341 385 406 434 469 638 670 682 737 770 841 899 938 1015 1085 1474 1595 1682 1705 1798 1943 2030 2077 2170 2233 2345 2387 3190 3410 3685 3886 4154 4205 4466 4495 4690 4774 5159 5887 6293 7370 8410 8990 9251 9715 9889 10318 10385 11165 11774 11935 12586 13601 14539 18502 19430 19778 20770 21373 22330 22847 23870 25795 26071 27202 29078 29435 31465 42746 45694 46255 49445 51590 52142 56347 58870 60233 62930 64757 68005 69223 72695 92510 98890 106865 112694 114235 120466 129514 130355 136010 138446 145390 149611 159929 182497 213730 228470 260710 281735 286781 299222 301165 319858 323785 346115 364994 394429 421631 563470 573562 602330 619817 647570 662563 692230 748055 788858 799645 843262 912485 1239634 1325126 1433905 1496110 1599290 1746757 1824970 1972145 2007467 2108155 2867810 3099085 3312815 3493514 3944290 4014934 4216310 4338719 4637941 6198170 6625630 8677438 8733785 9275882 10037335 12227299 17467570 19214327 20074670 21693595 23189705 24454598 38428654 43387190 46379410 61136495 96071635 122272990 134500289 192143270 269000578 672501445 1345002890
• Sum of all divisors σ(n): 3275071488
• Sum of proper divisors (its aliquot sum) s(n): 1930068598
• 1345002890 is an abundant number, because the sum of its proper divisors (1930068598) is greater than itself. Its abundance is 585065708

Bases of 1345002890

• Binary: 1010000001010110001110110001010₂
• Hexadecimal: 0x502B1D8A
• Base-36: M8S2VE

Squares and roots of 1345002890

• 1345002890 squared (1345002890²) is 1809032774108352100
• 1345002890 cubed (1345002890³) is 2433154309280450747637569000
• The square root of 1345002890 is 36674.2810427143
• The cube root of 1345002890 is 1103.8440961015

Scales and comparisons

• 1,345,002,890 seconds is equal to 42 years, 39 weeks, 6 days, 3 hours, 54 minutes, 50 seconds.
• To count from 1 to 1,345,002,890 would take you about eighty-five 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 1345002890 cubic inches would be around 92 feet tall.

Recreational maths with 1345002890

• 1345002890 backwards is 0982005431
• The number of decimal digits it has is: 10
• The sum of 1345002890's digits is 32
• More coming soon!