20555720172

Names of 20555720172

• Cardinal: 20555720172 can be written as Twenty billion, five hundred fifty-five million, seven hundred twenty thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 2.0555720172 × 10¹⁰

Factors of 20555720172

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 672

Divisors of 20555720172

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 23 26 36 39 43 46 52 69 78 86 89 92 117 129 138 156 172 178 207 234 258 267 276 299 356 387 414 468 499 516 534 559 598 774 801 828 897 989 998 1068 1118 1157 1196 1497 1548 1602 1677 1794 1978 1996 2047 2236 2314 2691 2967 2994 3204 3354 3471 3588 3827 3956 4094 4491 4628 5031 5382 5934 5988 6141 6487 6708 6942 7654 8188 8901 8982 10062 10413 10764 11477 11481 11868 12282 12857 12974 13884 15308 17802 17964 18423 19461 20124 20826 21457 22954 22962 24564 25714 25948 26611 34431 34443 35604 36846 38571 38922 41652 42914 44411 45908 45924 49751 51428 53222 58383 64371 68862 68886 73692 77142 77844 79833 85828 88021 88822 99502 103293 106444 115713 116766 128742 133233 137724 137772 149201 149253 154284 159666 176042 177644 193113 199004 206586 231426 233532 239499 257484 264063 266466 278941 298402 298506 319332 352084 386226 399699 413172 447603 447759 462852 478998 493511 528126 532932 557882 577343 596804 597012 772452 792189 799398 836823 895206 895518 957996 987022 1021453 1056252 1115764 1144273 1154686 1342809 1480533 1584378 1598796 1673646 1732029 1790412 1791036 1909673 1974044 2042906 2288546 2309372 2510469 2685618 2961066 3064359 3168756 3347292 3432819 3464058 3819346 4085812 4441599 4577092 5020938 5196087 5371236 5729019 5922132 6128718 6415643 6865638 6928116 7638692 8883198 9193077 10041876 10298457 10392174 11458038 12257436 12831286 13278889 13731276 17187057 17766396 18386154 19246929 20596914 20784348 22916076 24825749 25662572 26557778 34374114 36772308 38493858 39836667 41193828 43922479 49651498 53115556 57740787 68748228 74477247 76987716 79673334 87844958 99302996 115481574 119510001 131767437 148954494 159346668 175689916 223431741 230963148 239020002 263534874 297908988 395302311 446863482 478040004 527069748 570992227 790604622 893726964 1141984454 1581209244 1712976681 2283968908 3425953362 5138930043 6851906724 10277860086 20555720172
• Sum of all divisors σ(n): 60540480000
• Sum of proper divisors (its aliquot sum) s(n): 39984759828
• 20555720172 is an abundant number, because the sum of its proper divisors (39984759828) is greater than itself. Its abundance is 19429039656

Bases of 20555720172

• Binary: 10011001001001101110110010111101100₂
• Hexadecimal: 0x4C93765EC
• Base-36: 9FYCF70

Squares and roots of 20555720172

• 20555720172 squared (20555720172²) is 422537631789567709584
• 20555720172 cubed (20555720172³) is 8685565321205925427055666528448
• The square root of 20555720172 is 143372.6618710831
• The cube root of 20555720172 is 2739.3292341051

Scales and comparisons

• 20,555,720,172 seconds is equal to 653 years, 31 weeks, 4 days, 10 hours, 16 minutes, 12 seconds.
• To count from 1 to 20,555,720,172 would take you about one thousand, three hundred seven 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 20555720172 cubic inches would be around 228.3 feet tall.

Recreational maths with 20555720172

• 20555720172 backwards is 27102755502
• 20555720172 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20555720172's digits is 36
• More coming soon!