9928993438

Names of 9928993438

• Cardinal: 9928993438 can be written as Nine billion, nine hundred twenty-eight million, nine hundred ninety-three thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 9.928993438 × 10⁹

Factors of 9928993438

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1242

Divisors of 9928993438

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 7 13 14 19 26 37 38 71 74 91 133 142 182 247 259 266 481 494 497 518 703 923 962 994 1093 1349 1406 1729 1846 2186 2627 2698 3367 3458 4921 5254 6461 6734 7651 9139 9443 9842 12922 14209 15302 17537 18278 18389 18886 20767 28418 34151 35074 36778 40441 41534 49913 63973 68302 77603 80882 99463 99826 122759 127946 145369 155206 198926 239057 245518 269971 283087 290738 349391 478114 525733 539942 543221 566174 648869 698782 768379 1008839 1051466 1086442 1297738 1474457 1536758 1889797 2017678 2871311 2948914 3680131 3779594 4542083 5378653 5742622 7061873 7360262 9084166 9988927 10321199 10757306 14123746 19167941 19977854 20099177 20642398 37327043 38335882 40198354 54554909 69922489 74654086 109109818 134175587 139844978 261289301 268351174 381884363 522578602 709213817 763768726 1418427634 4964496719 9928993438
• Sum of all divisors σ(n): 20114196480
• Sum of proper divisors (its aliquot sum) s(n): 10185203042
• 9928993438 is an abundant number, because the sum of its proper divisors (10185203042) is greater than itself. Its abundance is 256209604

Bases of 9928993438

• Binary: 1001001111110100000110101010011110₂
• Hexadecimal: 0x24FD06A9E
• Base-36: 4K7GSDA

Squares and roots of 9928993438

• 9928993438 squared (9928993438²) is 98584910691847059844
• 9928993438 cubed (9928993438³) is 978848931345165497290669303672
• The square root of 9928993438 is 99644.3347009755
• The cube root of 9928993438 is 2149.3232727217

Scales and comparisons

• 9,928,993,438 seconds is equal to 315 years, 36 weeks, 6 days, 21 hours, 43 minutes, 58 seconds.
• To count from 1 to 9,928,993,438 would take you about six hundred thirty-one 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 9928993438 cubic inches would be around 179.1 feet tall.

Recreational maths with 9928993438

• 9928993438 backwards is 8343998299
• The number of decimal digits it has is: 10
• The sum of 9928993438's digits is 64
• More coming soon!