19420128

Names of 19420128

• Cardinal: 19420128 can be written as Nineteen million, four hundred twenty thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.9420128 × 10⁷

Factors of 19420128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 44

Divisors of 19420128

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 19 21 24 26 27 28 32 36 38 39 42 48 52 54 56 57 63 72 76 78 84 91 96 104 108 112 114 117 126 133 144 152 156 168 169 171 182 189 208 216 224 228 234 247 252 266 273 288 304 312 336 338 342 351 364 378 399 416 432 456 468 494 504 507 513 532 546 608 624 672 676 684 702 728 741 756 798 819 864 912 936 988 1008 1014 1026 1064 1092 1183 1197 1248 1352 1368 1404 1456 1482 1512 1521 1596 1638 1729 1824 1872 1976 2016 2028 2052 2128 2184 2223 2366 2394 2457 2704 2736 2808 2912 2964 3024 3042 3192 3211 3276 3458 3549 3591 3744 3952 4056 4104 4256 4368 4446 4563 4732 4788 4914 5187 5408 5472 5616 5928 6048 6084 6384 6422 6552 6669 6916 7098 7182 7904 8112 8208 8736 8892 9126 9464 9576 9633 9828 10374 10647 11232 11856 12168 12768 12844 13104 13338 13832 14196 14364 15561 16224 16416 17784 18252 18928 19152 19266 19656 20748 21294 22477 23712 24336 25688 26208 26676 27664 28392 28728 28899 31122 31941 35568 36504 37856 38304 38532 39312 41496 42588 44954 46683 48672 51376 53352 55328 56784 57456 57798 62244 63882 67431 71136 73008 77064 78624 82992 85176 86697 89908 93366 102752 106704 113568 114912 115596 124488 127764 134862 146016 154128 165984 170352 173394 179816 186732 202293 213408 231192 248976 255528 269724 308256 340704 346788 359632 373464 404586 462384 497952 511056 539448 606879 693576 719264 746928 809172 924768 1022112 1078896 1213758 1387152 1493856 1618344 2157792 2427516 2774304 3236688 4855032 6473376 9710064 19420128
• Sum of all divisors σ(n): 73785600
• Sum of proper divisors (its aliquot sum) s(n): 54365472
• 19420128 is an abundant number, because the sum of its proper divisors (54365472) is greater than itself. Its abundance is 34945344

Bases of 19420128

• Binary: 1001010000101001111100000₂
• Hexadecimal: 0x12853E0
• Base-36: BK8O0

Squares and roots of 19420128

• 19420128 squared (19420128²) is 377141371536384
• 19420128 cubed (19420128³) is 7324133709332133937152
• The square root of 19420128 is 4406.8274302495
• The cube root of 19420128 is 268.7926337267

Scales and comparisons

• 19,420,128 seconds is equal to 32 weeks, 18 hours, 28 minutes, 48 seconds.
• To count from 1 to 19,420,128 would take you about forty-eight 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 19420128 cubic inches would be around 22.4 feet tall.

Recreational maths with 19420128

• 19420128 backwards is 82102491
• 19420128 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 19420128's digits is 27
• More coming soon!