640164096

Names of 640164096

• Cardinal: 640164096 can be written as Six hundred forty million, one hundred sixty-four thousand and ninety-six.

Scientific notation

• Scientific notation: 6.40164096 × 10⁸

Factors of 640164096

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 125

Divisors of 640164096

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 29 32 33 36 39 44 48 52 58 64 66 67 72 78 87 88 96 99 104 116 117 128 132 134 143 144 156 174 176 192 198 201 208 232 234 256 261 264 268 286 288 312 319 348 352 377 384 396 402 416 429 464 468 522 528 536 572 576 603 624 638 696 704 737 754 768 792 804 832 858 871 928 936 957 1044 1056 1072 1131 1144 1152 1206 1248 1276 1287 1392 1408 1474 1508 1584 1608 1664 1716 1742 1856 1872 1914 1943 2088 2112 2144 2211 2262 2288 2304 2412 2496 2552 2574 2613 2784 2816 2871 2948 3016 3168 3216 3328 3393 3432 3484 3712 3744 3828 3886 4147 4176 4224 4288 4422 4524 4576 4824 4992 5104 5148 5226 5568 5742 5829 5896 6032 6336 6432 6633 6786 6864 6968 7424 7488 7656 7772 7839 8294 8352 8448 8576 8844 9048 9152 9581 9648 9984 10208 10296 10452 11136 11484 11658 11792 12064 12441 12672 12864 13266 13572 13728 13936 14976 15312 15544 15678 16588 16704 17152 17487 17688 18096 18304 19162 19296 20416 20592 20904 21373 22272 22968 23316 23584 24128 24882 25259 25344 25728 26532 27144 27456 27872 28743 29952 30624 31088 31356 33176 33408 34974 35376 36192 36608 37323 38324 38592 40832 41184 41808 42746 45936 46632 47168 48256 49764 50518 51456 53064 54288 54912 55744 57486 61248 62176 62712 64119 66352 66816 69948 70752 72384 74646 75777 76648 77184 81664 82368 83616 85492 86229 91872 93264 94336 96512 99528 101036 106128 108576 109824 111488 114972 122496 124352 125424 128238 132704 139896 141504 144768 149292 151554 153296 154368 164736 167232 170984 172458 183744 186528 188672 192357 199056 202072 212256 217152 222976 227331 229944 244992 248704 250848 256476 265408 277849 279792 283008 289536 298584 303108 306592 329472 334464 341968 344916 367488 373056 384714 398112 404144 424512 434304 454662 459888 497408 501696 512952 530816 555698 559584 566016 597168 606216 613184 668928 683936 689832 734976 746112 769428 796224 808288 833547 849024 868608 909324 919776 1003392 1025904 1061632 1111396 1119168 1194336 1212432 1226368 1367872 1379664 1492224 1538856 1592448 1616576 1667094 1698048 1818648 1839552 2006784 2051808 2222792 2238336 2388672 2424864 2452736 2500641 2735744 2759328 3077712 3184896 3233152 3334188 3637296 3679104 4103616 4445584 4476672 4777344 4849728 5001282 5471488 5518656 6155424 6466304 6668376 7274592 7358208 8207232 8891168 9554688 9699456 10002564 11037312 12310848 13336752 14549184 16414464 17782336 19398912 20005128 22074624 24621696 26673504 29098368 35564672 40010256 49243392 53347008 58196736 71129344 80020512 106694016 160041024 213388032 320082048 640164096
• Sum of all divisors σ(n): 2276688960
• Sum of proper divisors (its aliquot sum) s(n): 1636524864
• 640164096 is an abundant number, because the sum of its proper divisors (1636524864) is greater than itself. Its abundance is 996360768

Bases of 640164096

• Binary: 100110001010000010000100000000₂
• Hexadecimal: 0x26282100
• Base-36: AL4XS0

Squares and roots of 640164096

• 640164096 squared (640164096²) is 409810069807497216
• 640164096 cubed (640164096³) is 262345692870013349303156736
• The square root of 640164096 is 25301.4643054507
• The cube root of 640164096 is 861.8475226593

Scales and comparisons

• 640,164,096 seconds is equal to 20 years, 18 weeks, 3 days, 7 hours, 21 minutes, 36 seconds.
• To count from 1 to 640,164,096 would take you about thirty 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 640164096 cubic inches would be around 71.8 feet tall.

Recreational maths with 640164096

• 640164096 backwards is 690461046
• 640164096 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 640164096's digits is 36
• More coming soon!