668005632

Names of 668005632

• Cardinal: 668005632 can be written as Six hundred sixty-eight million, five thousand, six hundred thirty-two.

Scientific notation

• Scientific notation: 6.68005632 × 10⁸

Factors of 668005632

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 170

Divisors of 668005632

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 49 56 61 63 64 72 84 96 97 98 112 122 126 128 144 147 168 183 192 194 196 224 244 252 256 288 291 294 336 366 384 388 392 427 441 448 488 504 549 576 582 588 672 679 732 768 776 784 854 873 882 896 976 1008 1098 1152 1164 1176 1281 1344 1358 1464 1552 1568 1708 1746 1764 1792 1952 2016 2037 2196 2304 2328 2352 2562 2688 2716 2928 2989 3104 3136 3416 3492 3528 3843 3904 4032 4074 4392 4656 4704 4753 5124 5376 5432 5856 5917 5978 6111 6208 6272 6832 6984 7056 7686 7808 8064 8148 8784 8967 9312 9408 9506 10248 10864 11712 11834 11956 12222 12416 12544 13664 13968 14112 14259 15372 15616 16128 16296 17568 17751 17934 18624 18816 19012 20496 21728 23424 23668 23912 24444 24832 26901 27328 27936 28224 28518 30744 32592 35136 35502 35868 37248 37632 38024 40992 41419 42777 43456 46848 47336 47824 48888 53253 53802 54656 55872 56448 57036 61488 65184 70272 71004 71736 74496 76048 81984 82838 85554 86912 94672 95648 97776 106506 107604 109312 111744 112896 114072 122976 124257 130368 140544 142008 143472 152096 163968 165676 171108 173824 189344 191296 195552 213012 215208 223488 228144 245952 248514 260736 284016 286944 289933 304192 327936 331352 342216 372771 378688 382592 391104 426024 430416 456288 491904 497028 521472 568032 573888 579866 608384 662704 684432 745542 757376 765184 782208 852048 860832 869799 912576 983808 994056 1136064 1147776 1159732 1216768 1325408 1368864 1491084 1514752 1564416 1704096 1721664 1739598 1825152 1988112 2272128 2295552 2319464 2609397 2650816 2737728 2982168 3408192 3443328 3479196 3650304 3976224 4544256 4638928 5218794 5301632 5475456 5964336 6816384 6886656 6958392 7952448 9277856 10437588 10603264 10950912 11928672 13632768 13916784 15904896 18555712 20875176 23857344 27833568 31809792 37111424 41750352 47714688 55667136 74222848 83500704 95429376 111334272 167001408 222668544 334002816 668005632
• Sum of all divisors σ(n): 2300683476
• Sum of proper divisors (its aliquot sum) s(n): 1632677844
• 668005632 is an abundant number, because the sum of its proper divisors (1632677844) is greater than itself. Its abundance is 964672212

Bases of 668005632

• Binary: 100111110100001111010100000000₂
• Hexadecimal: 0x27D0F500
• Base-36: B1POG0

Squares and roots of 668005632

• 668005632 squared (668005632²) is 446231524383719424
• 668005632 cubed (668005632³) is 298085171464269904339795968
• The square root of 668005632 is 25845.8049207215
• The cube root of 668005632 is 874.1649206067

Scales and comparisons

• 668,005,632 seconds is equal to 21 years, 12 weeks, 3 days, 13 hours, 7 minutes, 12 seconds.
• To count from 1 to 668,005,632 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 668005632 cubic inches would be around 72.8 feet tall.

Recreational maths with 668005632

• 668005632 backwards is 236500866
• 668005632 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 668005632's digits is 36
• More coming soon!