428438291930

Names of 428438291930

• Cardinal: 428438291930 can be written as Four hundred twenty-eight billion, four hundred thirty-eight million, two hundred ninety-one thousand, nine hundred thirty.

Scientific notation

• Scientific notation: 4.2843829193 × 10¹¹

Factors of 428438291930

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1155

Divisors of 428438291930

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 10 11 22 55 110 121 139 242 278 367 605 631 695 734 1210 1262 1331 1390 1529 1835 2662 3058 3155 3670 4037 6310 6655 6941 7645 8074 13310 13882 15290 16819 20185 33638 34705 40370 44407 51013 69410 76351 84095 87709 88814 102026 152702 168190 175418 185009 222035 231577 255065 370018 381755 438545 444070 463154 488477 510130 561143 763510 839861 877090 925045 964799 976954 1122286 1157885 1679722 1850090 1929598 2315770 2442385 2547347 2805715 4199305 4823995 4884770 5094694 5611430 6172573 8398610 9647990 10612789 12345146 12736735 21225578 25473470 28020817 30862865 32189203 53063945 56041634 61725730 64378406 67898303 106127890 116740679 135796606 140104085 160946015 233481358 280208170 308228987 321892030 339491515 354081233 583703395 616457974 678983030 708162466 1167406790 1541144935 1770406165 3082289870 3540812330 3894893563 7789787126 19474467815 38948935630 42843829193 85687658386 214219145965 428438291930
• Sum of all divisors σ(n): 858037985280
• Sum of proper divisors (its aliquot sum) s(n): 429599693350
• 428438291930 is an abundant number, because the sum of its proper divisors (429599693350) is greater than itself. Its abundance is 1161401420

Bases of 428438291930

• Binary: 110001111000000111010011000010111011010₂
• Hexadecimal: 0x63C0E985DA
• Base-36: 5GTL3HSQ

Squares and roots of 428438291930

• 428438291930 squared (428438291930²) is 183559369991895903124900
• 428438291930 cubed (428438291930³) is 78643862947074778677196905452057000
• The square root of 428438291930 is 654551.9780200805
• The cube root of 428438291930 is 7538.6936124215

Scales and comparisons

• 428,438,291,930 seconds is equal to 13,623 years, 4 days, 12 hours, 38 minutes, 50 seconds.
• To count from 1 to 428,438,291,930 would take you about twenty-seven thousand, two hundred forty-six 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 428438291930 cubic inches would be around 628.2 feet tall.

Recreational maths with 428438291930

• 428438291930 backwards is 039192834824
• The number of decimal digits it has is: 12
• The sum of 428438291930's digits is 53
• More coming soon!