640109595468

Names of 640109595468

• Cardinal: 640109595468 can be written as Six hundred forty billion, one hundred nine million, five hundred ninety-five thousand, four hundred sixty-eight.

Scientific notation

• Scientific notation: 6.40109595468 × 10¹¹

Factors of 640109595468

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3453

Divisors of 640109595468

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 7 12 14 21 28 31 42 49 62 84 93 98 124 147 186 196 217 294 372 373 434 588 651 746 868 961 1119 1302 1492 1519 1922 2238 2604 2611 2883 3037 3038 3844 4476 4557 5222 5766 6074 6076 6727 7833 9111 9114 10444 11532 11563 12148 13454 15666 18222 18228 18277 20181 21259 23126 26908 31332 34689 36444 36554 40362 42518 46252 47089 54831 63777 69378 73108 80724 80941 85036 94147 94178 109662 127554 138756 141267 148813 161882 188294 188356 219324 242823 255108 282441 282534 297626 323764 358453 376588 446439 485646 564882 565068 566587 595252 659029 716906 892878 971292 1075359 1129764 1132801 1133174 1318058 1433812 1699761 1785756 1977087 2150718 2265602 2266348 2509171 2636116 2918557 3398403 3399522 3954174 4301436 4531204 4613203 5018342 5837114 6796806 6799044 7527513 7908348 7929607 8755671 9226406 10036684 11674228 13593612 13839609 15055026 15859214 17511342 17564197 18452812 20429899 23788821 27679218 30110052 31718428 35022684 35116831 35128394 40859798 47577642 52692591 55358436 55507249 61289697 70233662 70256788 81719596 95155284 105350493 105385182 111014498 122579394 140467324 143009293 166521747 210700986 210770364 222028996 245158788 245817817 286018586 333043494 421401972 429027879 491635634 572037172 666086988 737453451 858055758 983271268 1088621761 1474906902 1716111516 1720724719 2177243522 2949813804 3265865283 3441449438 4354487044 5162174157 6531730566 6882898876 7620352327 10324348314 13063461132 15240704654 20648696628 22861056981 30481409308 45722113962 53342466289 91444227924 106684932578 160027398867 213369865156 320054797734 640109595468
• Sum of all divisors σ(n): 1800700591536
• Sum of proper divisors (its aliquot sum) s(n): 1160590996068
• 640109595468 is an abundant number, because the sum of its proper divisors (1160590996068) is greater than itself. Its abundance is 520481400600

Bases of 640109595468

• Binary: 1001010100001001100000010100101101001100₂
• Hexadecimal: 0x9509814B4C
• Base-36: 8628Q4WC

Squares and roots of 640109595468

• 640109595468 squared (640109595468²) is 409740294210206606139024
• 640109595468 cubed (640109595468³) is 262278693973834653212351858008343232
• The square root of 640109595468 is 800068.4942353373
• The cube root of 640109595468 is 8618.2306409643

Scales and comparisons

• 640,109,595,468 seconds is equal to 20,353 years, 26 weeks, 1 day, 20 hours, 57 minutes, 48 seconds.
• To count from 1 to 640,109,595,468 would take you about forty thousand, seven hundred seven 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 640109595468 cubic inches would be around 718.2 feet tall.

Recreational maths with 640109595468

• 640109595468 backwards is 864595901046
• The number of decimal digits it has is: 12
• The sum of 640109595468's digits is 57
• More coming soon!