642438457056

Names of 642438457056

• Cardinal: 642438457056 can be written as Six hundred forty-two billion, four hundred thirty-eight million, four hundred fifty-seven thousand and fifty-six.

Scientific notation

• Scientific notation: 6.42438457056 × 10¹¹

Factors of 642438457056

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 143

Divisors of 642438457056

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 66 72 81 88 96 99 108 121 127 132 144 162 176 198 216 242 254 264 288 297 324 352 363 381 396 432 484 508 528 594 648 726 762 792 864 891 968 1016 1056 1089 1143 1188 1296 1397 1452 1524 1584 1782 1936 2032 2178 2286 2376 2592 2794 2904 3048 3168 3267 3429 3564 3872 4064 4191 4356 4572 4752 5588 5808 6096 6534 6858 7128 8382 8712 9144 9504 9801 10287 11176 11616 12192 12573 13068 13716 14256 15367 16129 16764 17424 18288 19602 20574 22352 25146 26136 27432 28512 30734 32258 33528 34848 36576 37719 39204 41148 44704 46101 48387 50292 52272 54864 61468 64516 67056 75438 78408 82296 92202 96774 100584 104544 109728 113157 122936 129032 134112 138303 145161 150876 156816 164592 177419 184404 193548 201168 226314 245872 258064 276606 290322 301752 313632 329184 354838 368808 387096 402336 414909 435483 452628 491744 516128 532257 553212 580644 603504 709676 737616 774192 829818 870966 905256 1064514 1106424 1161288 1207008 1244727 1306449 1419352 1475232 1548384 1596771 1659636 1741932 1810512 1951609 2048383 2129028 2212848 2322576 2489454 2612898 2838704 3193542 3319272 3483864 3621024 3903218 4096766 4258056 4425696 4645152 4790313 4978908 5225796 5677408 5854827 6145149 6387084 6638544 6967728 7806436 8193532 8516112 9580626 9957816 10451592 11709654 12290298 12774168 13277088 13935456 14370939 15612872 16387064 17032224 17564481 18435447 19161252 19915632 20903184 22532213 23419308 24580596 25548336 28741878 31225744 32774128 35128962 36870894 38322504 39831264 41806368 45064426 46838616 49161192 51096672 52693443 55306341 57483756 62451488 65548256 67596639 70257924 73741788 76645008 90128852 93677232 98322384 105386886 110612682 114967512 135193278 140515848 147483576 153290016 158080329 165919023 180257704 187354464 196644768 202789917 210773772 221225364 229935024 247854343 270386556 281031696 294967152 316160658 331838046 360515408 405579834 421547544 442450728 459870048 495708686 540773112 562063392 589934304 608369751 632321316 663676092 721030816 743563029 811159668 843095088 884901456 991417372 1081546224 1216739502 1264642632 1327352184 1487126058 1622319336 1686190176 1769802912 1825109253 1982834744 2163092448 2230689087 2433479004 2529285264 2654704368 2974252116 3244638672 3650218506 3965669488 4461378174 4866958008 5058570528 5309408736 5948504232 6489277344 6692067261 7300437012 7931338976 8922756348 9733916016 11897008464 13384134522 14600874024 17845512696 19467832032 20076201783 23794016928 26768269044 29201748048 35691025392 40152403566 53536538088 58403496096 71382050784 80304807132 107073076176 160609614264 214146152352 321219228528 642438457056
• Sum of all divisors σ(n): 2093253845760
• Sum of proper divisors (its aliquot sum) s(n): 1450815388704
• 642438457056 is an abundant number, because the sum of its proper divisors (1450815388704) is greater than itself. Its abundance is 808376931648

Bases of 642438457056

• Binary: 1001010110010100010100001110011011100000₂
• Hexadecimal: 0x959450E6E0
• Base-36: 874R9Q00

Squares and roots of 642438457056

• 642438457056 squared (642438457056²) is 412727171104493956187136
• 642438457056 cubed (642438457056³) is 265151806989458804560540916635631616
• The square root of 642438457056 is 801522.5867410101
• The cube root of 642438457056 is 8628.6696735903

Scales and comparisons

• 642,438,457,056 seconds is equal to 20,427 years, 28 weeks, 6 days, 6 hours, 57 minutes, 36 seconds.
• To count from 1 to 642,438,457,056 would take you about forty thousand, eight hundred fifty-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 642438457056 cubic inches would be around 719.1 feet tall.

Recreational maths with 642438457056

• 642438457056 backwards is 650754834246
• 642438457056 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 642438457056's digits is 54
• More coming soon!