20520864

Names of 20520864

• Cardinal: 20520864 can be written as Twenty million, five hundred twenty thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 2.0520864 × 10⁷

Factors of 20520864

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 54

Divisors of 20520864

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 29 32 36 39 42 48 52 54 56 58 63 72 78 81 84 87 91 96 104 108 112 116 117 126 144 156 162 168 174 182 189 203 208 216 224 232 234 243 252 261 273 288 312 324 336 348 351 364 377 378 406 416 432 464 468 486 504 522 546 567 609 624 648 672 696 702 728 754 756 783 812 819 864 928 936 972 1008 1044 1053 1092 1131 1134 1218 1248 1296 1392 1404 1456 1508 1512 1566 1624 1638 1701 1827 1872 1944 2016 2088 2106 2184 2262 2268 2349 2436 2457 2592 2639 2784 2808 2912 3016 3024 3132 3159 3248 3276 3393 3402 3654 3744 3888 4176 4212 4368 4524 4536 4698 4872 4914 5278 5481 5616 6032 6048 6264 6318 6496 6552 6786 6804 7047 7308 7371 7776 7917 8352 8424 8736 9048 9072 9396 9744 9828 10179 10556 10962 11232 12064 12528 12636 13104 13572 13608 14094 14616 14742 15834 16443 16848 18096 18144 18792 19488 19656 20358 21112 21924 22113 23751 25056 25272 26208 27144 27216 28188 29232 29484 30537 31668 32886 33696 36192 37584 39312 40716 42224 43848 44226 47502 49329 50544 54288 54432 56376 58464 58968 61074 63336 65772 71253 75168 78624 81432 84448 87696 88452 91611 95004 98658 101088 108576 112752 117936 122148 126672 131544 142506 162864 175392 176904 183222 190008 197316 213759 225504 235872 244296 253344 263088 285012 325728 353808 366444 380016 394632 427518 488592 526176 570024 641277 707616 732888 760032 789264 855036 977184 1140048 1282554 1465776 1578528 1710072 2280096 2565108 2931552 3420144 5130216 6840288 10260432 20520864
• Sum of all divisors σ(n): 77051520
• Sum of proper divisors (its aliquot sum) s(n): 56530656
• 20520864 is an abundant number, because the sum of its proper divisors (56530656) is greater than itself. Its abundance is 36009792

Bases of 20520864

• Binary: 1001110010001111110100000₂
• Hexadecimal: 0x1391FA0
• Base-36: C7U00

Squares and roots of 20520864

• 20520864 squared (20520864²) is 421105859306496
• 20520864 cubed (20520864³) is 8641456068431738732544
• The square root of 20520864 is 4529.9960264883
• The cube root of 20520864 is 273.7780005137

Scales and comparisons

• 20,520,864 seconds is equal to 33 weeks, 6 days, 12 hours, 14 minutes, 24 seconds.
• To count from 1 to 20,520,864 would take you about fifty weeks!

  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 20520864 cubic inches would be around 22.8 feet tall.

Recreational maths with 20520864

• 20520864 backwards is 46802502
• 20520864 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20520864's digits is 27
• More coming soon!