680526990

Names of 680526990

• Cardinal: 680526990 can be written as Six hundred eighty million, five hundred twenty-six thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 6.8052699 × 10⁸

Factors of 680526990

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 76

Divisors of 680526990

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 9 10 11 13 15 18 19 22 23 26 30 33 38 39 45 46 55 57 65 66 69 78 90 95 99 110 114 115 117 121 130 138 143 165 171 190 195 198 207 209 230 234 242 247 253 285 286 299 330 342 345 363 390 414 418 429 437 494 495 506 570 585 598 605 627 690 715 726 741 759 855 858 874 897 990 1035 1045 1089 1170 1210 1235 1254 1265 1287 1311 1331 1430 1482 1495 1518 1573 1710 1794 1815 1881 2070 2090 2145 2178 2185 2223 2277 2299 2470 2530 2574 2622 2662 2691 2717 2783 2990 3135 3146 3289 3630 3705 3762 3795 3933 3993 4290 4370 4446 4485 4554 4598 4719 4807 5382 5434 5445 5566 5681 6270 6435 6555 6578 6655 6897 7410 7590 7865 7866 7986 8151 8349 8970 9405 9438 9614 9867 10890 11115 11362 11385 11495 11979 12870 13110 13310 13455 13585 13794 13915 14157 14421 15730 16302 16445 16698 17043 17303 18810 19665 19734 19965 20691 22230 22770 22990 23595 23958 24035 24453 25047 25289 26910 27170 27830 28314 28405 28842 29601 29887 30613 32890 34086 34485 34606 36179 39330 39930 40755 41382 41745 43263 47190 48070 48906 49335 50094 50578 51129 51909 52877 56810 59202 59774 59895 61226 62491 68970 70785 72105 72358 75867 81510 83490 85215 86515 86526 89661 91839 98670 102258 103455 103818 105754 108537 119790 122265 124982 125235 126445 141570 144210 148005 149435 151734 153065 155727 158631 170430 173030 179322 180895 183678 187473 206910 216315 217074 227601 244530 250470 252890 255645 259545 264385 268983 275517 296010 298870 306130 311454 312455 317262 325611 328757 361790 374946 379335 397969 432630 448305 455202 459195 475893 511290 519090 528770 537966 542685 551034 562419 581647 624910 651222 657514 687401 758670 778635 793155 795938 896610 918390 937365 951786 986271 1085370 1124838 1138005 1163294 1193907 1344915 1374802 1377585 1557270 1586310 1628055 1643785 1744941 1874730 1972542 1989845 2062203 2276010 2379465 2387814 2689830 2755170 2812095 2908235 2958813 3256110 3287570 3437005 3489882 3581721 3979690 4124406 4758930 4931355 5234823 5624190 5816470 5917626 5969535 6186609 6874010 7163442 7561411 8724705 9862710 10311015 10469646 11939070 12373218 14794065 15122822 17449410 17908605 20622030 22684233 26174115 29588130 30933045 35817210 37807055 45368466 52348230 61866090 68052699 75614110 113421165 136105398 226842330 340263495 680526990
• Sum of all divisors σ(n): 2302110720
• Sum of proper divisors (its aliquot sum) s(n): 1621583730
• 680526990 is an abundant number, because the sum of its proper divisors (1621583730) is greater than itself. Its abundance is 941056740

Bases of 680526990

• Binary: 101000100100000000010010001110₂
• Hexadecimal: 0x2890048E
• Base-36: B961ZI

Squares and roots of 680526990

• 680526990 squared (680526990²) is 463116984118460100
• 680526990 cubed (680526990³) is 315163607220013455288099000
• The square root of 680526990 is 26086.9122358319
• The cube root of 680526990 is 879.5930409961

Scales and comparisons

• 680,526,990 seconds is equal to 21 years, 33 weeks, 1 day, 11 hours, 16 minutes, 30 seconds.
• To count from 1 to 680,526,990 would take you about thirty-two 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 680526990 cubic inches would be around 73.3 feet tall.

Recreational maths with 680526990

• 680526990 backwards is 099625086
• 680526990 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 680526990's digits is 45
• More coming soon!