668689344

Names of 668689344

• Cardinal: 668689344 can be written as Six hundred sixty-eight million, six hundred eighty-nine thousand, three hundred forty-four.

Scientific notation

• Scientific notation: 6.68689344 × 10⁸

Factors of 668689344

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 128

Divisors of 668689344

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 31 32 36 38 48 54 57 62 64 72 73 76 81 93 96 108 114 124 144 146 152 162 171 186 192 216 219 228 243 248 279 288 292 304 324 342 372 432 438 456 486 496 513 558 576 584 589 608 648 657 684 744 837 864 876 912 972 992 1026 1116 1168 1178 1216 1296 1314 1368 1387 1488 1539 1674 1728 1752 1767 1824 1944 1971 1984 2052 2232 2263 2336 2356 2511 2592 2628 2736 2774 2976 3078 3348 3504 3534 3648 3888 3942 4104 4161 4464 4526 4617 4672 4712 5022 5184 5256 5301 5472 5548 5913 5952 6156 6696 6789 7008 7068 7533 7776 7884 8208 8322 8928 9052 9234 9424 10044 10512 10602 10944 11096 11826 12312 12483 13392 13578 14016 14136 15066 15552 15768 15903 16416 16644 17739 17856 18104 18468 18848 20088 20367 21024 21204 22192 23652 24624 24966 26784 27156 28272 30132 31536 31806 32832 33288 35478 36208 36936 37449 37696 40176 40734 42048 42408 42997 44384 47304 47709 49248 49932 53568 54312 56544 60264 61101 63072 63612 66576 70956 72416 73872 74898 80352 81468 84816 85994 88768 94608 95418 98496 99864 108624 112347 113088 120528 122202 126144 127224 128991 133152 141912 143127 144832 147744 149796 160704 162936 169632 171988 183303 189216 190836 199728 217248 224694 241056 244404 254448 257982 266304 283824 286254 295488 299592 325872 337041 339264 343976 366606 378432 381672 386973 399456 434496 449388 482112 488808 508896 515964 549909 567648 572508 599184 651744 674082 687952 733212 763344 773946 798912 898776 977616 1017792 1031928 1099818 1135296 1145016 1160919 1198368 1303488 1348164 1375904 1466424 1526688 1547892 1797552 1955232 2063856 2199636 2290032 2321838 2396736 2696328 2751808 2932848 3053376 3095784 3482757 3595104 3910464 4127712 4399272 4580064 4643676 5392656 5865696 6191568 6965514 7190208 8255424 8798544 9160128 9287352 10448271 10785312 11731392 12383136 13931028 17597088 18574704 20896542 21570624 24766272 27862056 35194176 37149408 41793084 55724112 74298816 83586168 111448224 167172336 222896448 334344672 668689344
• Sum of all divisors σ(n): 2189358080
• Sum of proper divisors (its aliquot sum) s(n): 1520668736
• 668689344 is an abundant number, because the sum of its proper divisors (1520668736) is greater than itself. Its abundance is 851979392

Bases of 668689344

• Binary: 100111110110110110001111000000₂
• Hexadecimal: 0x27DB63C0
• Base-36: B24C00

Squares and roots of 668689344

• 668689344 squared (668689344²) is 447145438779150336
• 668689344 cubed (668689344³) is 299001390129822199057219584
• The square root of 668689344 is 25859.0282880081
• The cube root of 668689344 is 874.4630584385

Scales and comparisons

• 668,689,344 seconds is equal to 21 years, 13 weeks, 4 days, 11 hours, 2 minutes, 24 seconds.
• To count from 1 to 668,689,344 would take you about thirty-one 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 668689344 cubic inches would be around 72.9 feet tall.

Recreational maths with 668689344

• 668689344 backwards is 443986866
• 668689344 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 668689344's digits is 54
• More coming soon!