6438718495748

Names of 6438718495748

• Cardinal: 6438718495748 can be written as Six trillion, four hundred thirty-eight billion, seven hundred eighteen million, four hundred ninety-five thousand, seven hundred forty-eight.

Scientific notation

• Scientific notation: 6.438718495748 × 10¹²

Factors of 6438718495748

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 7592

Divisors of 6438718495748

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 11 14 22 28 37 43 44 74 77 86 148 154 172 259 301 308 407 473 518 602 814 946 1036 1204 1591 1628 1892 2801 2849 3182 3311 4691 5602 5698 6364 6622 9382 11137 11204 11396 13244 17501 18764 19607 22274 30811 32837 35002 39214 44548 51601 61622 65674 70004 78428 103202 103637 120443 122507 123244 131348 173567 201713 206404 207274 215677 240886 245014 347134 361207 403426 414548 431354 481772 490028 694268 722414 725459 806852 843101 862708 1140007 1214969 1324873 1411991 1444828 1450918 1686202 1909237 2218843 2280014 2429938 2649746 2823982 2901836 3372404 3818474 4437686 4456391 4560028 4859876 5299492 5647964 7463381 7636948 7980049 8875372 8912782 9274111 13139491 13364659 14926762 15531901 15960098 17825564 18548222 26278982 26729318 29853524 31063802 31194737 31920196 37096444 49020301 52243667 52557964 53458636 62127604 62389474 82097191 91976437 98040602 104487334 124778948 144534401 164194382 183952874 196081204 208974668 289068802 328388764 343142107 367905748 486161167 564998113 574680337 578137604 686284214 972322334 1011740807 1129996226 1149360674 1372568428 1944644668 2023481614 2259992452 2298721348 3403128169 3954986791 4046963228 5347772837 6214979243 6806256338 7909973582 10695545674 12429958486 13612512676 15819947164 20904930181 21391091348 24859916972 37434409859 41809860362 43504854701 74868819718 83619720724 87009709402 146334511267 149737639436 174019418804 229954231991 292669022534 459908463982 585338045068 919816927964 1609679623937 3219359247874 6438718495748
• Sum of all divisors σ(n): 14771740870656
• Sum of proper divisors (its aliquot sum) s(n): 8333022374908
• 6438718495748 is an abundant number, because the sum of its proper divisors (8333022374908) is greater than itself. Its abundance is 1894303879160

Bases of 6438718495748

• Binary: 1011101101100100001100001110101110000000100₂
• Hexadecimal: 0x5DB21875C04
• Base-36: 2A5WMQZGK

Squares and roots of 6438718495748

• 6438718495748 squared (6438718495748²) is 41457095867487387894079504
• 6438718495748 cubed (6438718495748³) is 266930569941989021321729369549997948992
• The square root of 6438718495748 is 2537463.0038185779
• The cube root of 6438718495748 is 18603.7207800419

Scales and comparisons

• 6,438,718,495,748 seconds is equal to 204,731 years, 17 weeks, 1 day, 19 hours, 29 minutes, 8 seconds.
• To count from 1 to 6,438,718,495,748 would take you about five hundred eleven thousand, eight hundred twenty-eight 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 6438718495748 cubic inches would be around 1550.3 feet tall.

Recreational maths with 6438718495748

• 6438718495748 backwards is 8475948178346
• 6438718495748 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 6438718495748's digits is 74
• More coming soon!