428493187668

Names of 428493187668

• Cardinal: 428493187668 can be written as Four hundred twenty-eight billion, four hundred ninety-three million, one hundred eighty-seven thousand, six hundred sixty-eight.

Scientific notation

• Scientific notation: 4.28493187668 × 10¹¹

Factors of 428493187668

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 693

Divisors of 428493187668

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 7 12 13 14 21 26 28 37 39 42 49 52 74 78 84 91 98 111 147 148 156 182 196 222 259 273 294 343 364 444 481 518 546 588 631 637 686 777 962 1029 1036 1092 1262 1274 1372 1443 1554 1813 1893 1911 1924 2058 2401 2524 2548 2886 3108 3367 3626 3786 3822 4116 4417 4459 4802 5439 5772 6734 7203 7252 7572 7644 8203 8834 8918 9604 10101 10878 12691 13251 13377 13468 14406 16406 16807 17668 17836 20202 21756 23347 23569 24609 25382 26502 26754 28812 30919 31213 32812 33614 38073 40404 46694 47138 49218 50421 50764 53004 53508 57421 61838 62426 67228 70041 70707 76146 88837 92757 93388 93639 94276 98436 100842 114842 117649 123676 124852 140082 141414 152292 163429 164983 172263 177674 185514 187278 201684 216433 218491 229684 235298 266511 280164 282828 303511 326858 329966 344526 352947 355348 371028 374556 401947 432866 436982 470596 490287 494949 533022 607022 621859 649299 653716 655473 659932 689052 705894 803894 865732 873964 910533 980574 989898 1066044 1144003 1154881 1205841 1214044 1243718 1298598 1310946 1411788 1515031 1529437 1607788 1821066 1865577 1961148 1979796 2124577 2288006 2309762 2411682 2487436 2597196 2621892 2813629 3030062 3058874 3432009 3464643 3642132 3731154 4249154 4353013 4545093 4576012 4588311 4619524 4823364 5627258 6060124 6117748 6373731 6864018 6929286 7462308 8008021 8084167 8440887 8498308 8706026 9090186 9176622 10605217 11254516 12747462 13059039 13728036 13858572 14872039 16016042 16168334 16881774 17412052 18180372 18353244 19695403 21210434 24024063 24252501 25494924 26118078 29744078 31815651 32032084 32336668 33763548 39390806 42420868 44616117 48048126 48505002 52236156 56056147 56589169 59086209 59488156 63631302 74236519 78781612 89232234 96096252 97010004 104104273 112112294 113178338 118172418 127262604 137867821 148473038 168168441 169767507 178464468 208208546 222709557 224224588 226356676 236344836 275735642 296946076 312312819 336336882 339535014 392393029 413603463 416417092 445419114 551471284 624625638 672673764 679070028 728729911 784786058 827206926 890838228 965074747 1177179087 1249251276 1457459822 1569572116 1654413852 1930149494 2186189733 2354358174 2746751203 2895224241 2914919644 3860298988 4372379466 4708716348 5101109377 5493502406 5790448482 8240253609 8744758932 10202218754 10987004812 11580896964 15303328131 16480507218 20404437508 30606656262 32961014436 35707765639 61213312524 71415531278 107123296917 142831062556 214246593834 428493187668
• Sum of all divisors σ(n): 1292174731904
• Sum of proper divisors (its aliquot sum) s(n): 863681544236
• 428493187668 is an abundant number, because the sum of its proper divisors (863681544236) is greater than itself. Its abundance is 435188356568

Bases of 428493187668

• Binary: 110001111000100001011110010101001010100₂
• Hexadecimal: 0x63C42F2A54
• Base-36: 5GUHS3MC

Squares and roots of 428493187668

• 428493187668 squared (428493187668²) is 183606411877883867278224
• 428493187668 cubed (428493187668³) is 78674096701838196240357640801741632
• The square root of 428493187668 is 654593.9105032983
• The cube root of 428493187668 is 7539.0155759213

Scales and comparisons

• 428,493,187,668 seconds is equal to 13,624 years, 39 weeks, 2 days, 21 hours, 27 minutes, 48 seconds.
• To count from 1 to 428,493,187,668 would take you about twenty-seven thousand, two hundred forty-nine 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 428493187668 cubic inches would be around 628.3 feet tall.

Recreational maths with 428493187668

• 428493187668 backwards is 866781394824
• The number of decimal digits it has is: 12
• The sum of 428493187668's digits is 66
• More coming soon!