421990145928

Names of 421990145928

• Cardinal: 421990145928 can be written as Four hundred twenty-one billion, nine hundred ninety million, one hundred forty-five thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 4.21990145928 × 10¹¹

Factors of 421990145928

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 169

Divisors of 421990145928

• Number of divisors d(n): 300
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 24 26 27 36 39 52 54 72 78 81 104 108 117 151 156 162 169 216 234 302 312 324 338 351 453 468 507 604 648 676 702 906 936 1014 1053 1208 1352 1359 1404 1521 1812 1963 2028 2106 2197 2718 2808 3042 3624 3926 4056 4077 4212 4394 4563 5436 5889 6084 6591 7852 8154 8424 8788 9126 10872 11778 12168 12231 13182 13689 15704 16308 17576 17667 18252 19773 22801 23556 24462 25519 26364 27378 28561 32616 35334 36504 39546 45602 47112 48924 51038 52728 53001 54756 57122 59319 68403 70668 76557 79092 85683 91204 97848 102076 106002 109512 114244 118638 136806 141336 153114 158184 159003 171366 177957 182408 204152 205209 212004 228488 229671 237276 257049 273612 296413 306228 318006 331747 342732 355914 410418 424008 459342 474552 514098 547224 592826 612456 615627 636012 663494 685464 689013 711828 771147 820836 889239 918684 995241 1028196 1185652 1231254 1272024 1326988 1378026 1423656 1542294 1641672 1778478 1837368 1846881 1990482 2056392 2067039 2313441 2371304 2462508 2653976 2667717 2756052 2985723 3084588 3556956 3693762 3853369 3980964 4134078 4312711 4626882 4925016 5335434 5512104 5971446 6169176 7113912 7387524 7706738 7961928 8003151 8268156 8625422 8957169 9253764 10670868 11560107 11942892 12938133 14775048 15413476 16006302 16536312 17250844 17914338 18507528 21341736 23120214 23885784 24009453 25876266 26871507 30826952 32012604 34501688 34680321 35828676 38814399 46240428 48018906 50093797 51752532 53743014 64025208 69360642 71657352 77628798 92480856 96037812 100187594 103505064 104040963 107486028 116443197 138721284 150281391 155257596 192075624 200375188 208081926 214972056 232886394 277442568 300562782 310515192 312122889 349329591 400750376 416163852 450844173 465772788 601125564 624245778 651219361 698659182 832327704 901688346 931545576 1202251128 1248491556 1302438722 1352532519 1397318364 1803376692 1953658083 2496983112 2604877444 2705065038 2794636728 3606753384 3907316166 4057597557 5209754888 5410130076 5860974249 7814632332 8115195114 10820260152 11721948498 15629264664 16230390228 17582922747 23443896996 32460780456 35165845494 46887793992 52748768241 70331690988 105497536482 140663381976 210995072964 421990145928
• Sum of all divisors σ(n): 1288992622995
• Sum of proper divisors (its aliquot sum) s(n): 867002477067
• 421990145928 is an abundant number, because the sum of its proper divisors (867002477067) is greater than itself. Its abundance is 445012331139

Bases of 421990145928

• Binary: 110001001000000100100101001111110001000₂
• Hexadecimal: 0x6240929F88
• Base-36: 5DUY1CI0

Squares and roots of 421990145928

• 421990145928 squared (421990145928²) is 178075683260334734981184
• 421990145928 cubed (421990145928³) is 75146183565256961628837042494218752
• The square root of 421990145928 is 649607.6861675823
• The cube root of 421990145928 is 7500.6822841699

Scales and comparisons

• 421,990,145,928 seconds is equal to 13,417 years, 51 weeks, 4 hours, 58 minutes, 48 seconds.
• To count from 1 to 421,990,145,928 would take you about twenty-six thousand, eight hundred thirty-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 421990145928 cubic inches would be around 625.1 feet tall.

Recreational maths with 421990145928

• 421990145928 backwards is 829541099124
• 421990145928 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 421990145928's digits is 54
• More coming soon!