428370390

Names of 428370390

• Cardinal: 428370390 can be written as Four hundred twenty-eight million, three hundred seventy thousand, three hundred ninety.

Scientific notation

• Scientific notation: 4.2837039 × 10⁸

Factors of 428370390

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 266

Divisors of 428370390

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 19 21 27 30 35 38 42 45 54 57 63 70 79 90 95 105 114 126 133 135 151 158 171 189 190 210 237 266 270 285 302 315 342 378 395 399 453 474 513 553 570 630 665 711 755 790 798 855 906 945 1026 1057 1106 1185 1197 1330 1359 1422 1501 1510 1659 1710 1890 1995 2114 2133 2265 2370 2394 2565 2718 2765 2869 3002 3171 3318 3555 3591 3990 4077 4266 4503 4530 4977 5130 5285 5530 5738 5985 6342 6795 7110 7182 7505 8154 8295 8607 9006 9513 9954 10507 10570 10665 11929 11970 13509 13590 14345 14931 15010 15855 16590 17214 17955 19026 20083 20385 21014 21330 22515 23858 24885 25821 27018 28539 28690 29862 31521 31710 35787 35910 40166 40527 40770 43035 45030 47565 49770 51642 52535 57078 59645 60249 63042 67545 71574 74655 77463 81054 83503 86070 94563 95130 100415 105070 107361 119290 120498 129105 135090 142695 149310 154926 157605 167006 178935 180747 189126 200830 202635 214722 226651 250509 258210 283689 285390 301245 315210 322083 357870 361494 387315 405270 417515 453302 472815 501018 536805 542241 567378 602490 644166 679953 751527 774630 835030 903735 945630 1073610 1084482 1133255 1252545 1359906 1418445 1503054 1586557 1610415 1807470 2039859 2254581 2266510 2505090 2711205 2836890 3173114 3220830 3399765 3757635 4079718 4509162 4759671 5422410 6119577 6799530 7515270 7932785 9519342 10199295 11272905 12239154 14279013 15865570 20398590 22545810 23798355 28558026 30597885 42837039 47596710 61195770 71395065 85674078 142790130 214185195 428370390
• Sum of all divisors σ(n): 1400832000
• Sum of proper divisors (its aliquot sum) s(n): 972461610
• 428370390 is an abundant number, because the sum of its proper divisors (972461610) is greater than itself. Its abundance is 544091220

Bases of 428370390

• Binary: 11001100010000110100111010110₂
• Hexadecimal: 0x198869D6
• Base-36: 731GPI

Squares and roots of 428370390

• 428370390 squared (428370390²) is 183501191028752100
• 428370390 cubed (428370390³) is 78606476766451038290319000
• The square root of 428370390 is 20697.1106679169
• The cube root of 428370390 is 753.8295329557

Scales and comparisons

• 428,370,390 seconds is equal to 13 years, 32 weeks, 1 day, 23 hours, 46 minutes, 30 seconds.
• To count from 1 to 428,370,390 would take you about twenty 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 428370390 cubic inches would be around 62.8 feet tall.

Recreational maths with 428370390

• 428370390 backwards is 093073824
• The number of decimal digits it has is: 9
• The sum of 428370390's digits is 36
• More coming soon!