128432493168

Names of 128432493168

• Cardinal: 128432493168 can be written as One hundred twenty-eight billion, four hundred thirty-two million, four hundred ninety-three thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 1.28432493168 × 10¹¹

Factors of 128432493168

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 91585

Divisors of 128432493168

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 37 42 48 56 74 84 111 112 113 148 168 222 226 259 296 336 339 444 452 518 592 678 777 791 888 904 1036 1356 1554 1582 1776 1808 2072 2373 2712 3108 3164 4144 4181 4746 5424 6216 6328 8362 9492 12432 12543 12656 16724 18984 25086 29267 33448 37968 50172 58534 66896 87801 91423 100344 117068 175602 182846 200688 234136 274269 351204 365692 468272 548538 639961 702408 731384 1097076 1279922 1404816 1462768 1919883 2194152 2559844 3382651 3839766 4388304 5119688 6765302 7679532 10147953 10239376 10330799 13530604 15359064 20295906 20661598 23678557 27061208 30718128 30992397 40591812 41323196 47357114 54122416 61984794 71035671 72315593 81183624 82646392 94714228 123969588 142071342 144631186 162367248 165292784 189428456 216946779 247939176 284142684 289262372 378856912 382239563 433893558 495878352 568285368 578524744 764479126 867787116 1136570736 1146718689 1157049488 1528958252 1735574232 2293437378 2675676941 3057916504 3471148464 4586874756 5351353882 6115833008 8027030823 9173749512 10702707764 16054061646 18347499024 21405415528 32108123292 42810831056 64216246584 128432493168
• Sum of all divisors σ(n): 392880377856
• Sum of proper divisors (its aliquot sum) s(n): 264447884688
• 128432493168 is an abundant number, because the sum of its proper divisors (264447884688) is greater than itself. Its abundance is 136015391520

Bases of 128432493168

• Binary: 1110111100111001011000101001001110000₂
• Hexadecimal: 0x1DE72C5270
• Base-36: 1N01E1YO

Squares and roots of 128432493168

• 128432493168 squared (128432493168²) is 16494905301348366676224
• 128432493168 cubed (128432493168³) is 2118481812422231084332097748037632
• The square root of 128432493168 is 358374.7942699095
• The cube root of 128432493168 is 5045.3539357803

Scales and comparisons

• 128,432,493,168 seconds is equal to 4,083 years, 39 weeks, 2 days, 4 hours, 32 minutes, 48 seconds.
• To count from 1 to 128,432,493,168 would take you about eight thousand, one hundred sixty-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 128432493168 cubic inches would be around 420.4 feet tall.

Recreational maths with 128432493168

• 128432493168 backwards is 861394234821
• The number of decimal digits it has is: 12
• The sum of 128432493168's digits is 51
• More coming soon!