398003419728

Names of 398003419728

• Cardinal: 398003419728 can be written as Three hundred ninety-eight billion, three million, four hundred nineteen thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 3.98003419728 × 10¹¹

Factors of 398003419728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 26848

Divisors of 398003419728

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 36 48 71 72 142 144 213 284 426 568 639 852 1136 1278 1543 1704 2556 3086 3408 4629 5112 6172 9258 10224 12344 13887 18516 24688 25229 27774 37032 50458 55548 74064 75687 100916 109553 111096 151374 201832 219106 222192 227061 302748 328659 403664 438212 454122 605496 657318 876424 908244 985977 1210992 1314636 1752848 1791259 1816488 1971954 2629272 3582518 3632976 3943908 5258544 5373777 7165036 7887816 10747554 14330072 15775632 16121331 21495108 28660144 32242662 38928347 42990216 64485324 77856694 85980432 116785041 128970648 155713388 233570082 257941296 311426776 350355123 467140164 622853552 700710246 934280328 1401420492 1868560656 2763912637 2802840984 5527825274 5605681968 8291737911 11055650548 16583475822 22111301096 24875213733 33166951644 44222602192 49750427466 66333903288 99500854932 132667806576 199001709864 398003419728
• Sum of all divisors σ(n): 1130321761920
• Sum of proper divisors (its aliquot sum) s(n): 732318342192
• 398003419728 is an abundant number, because the sum of its proper divisors (732318342192) is greater than itself. Its abundance is 334314922464

Bases of 398003419728

• Binary: 101110010101010110110100011101001010000₂
• Hexadecimal: 0x5CAADA3A50
• Base-36: 52U8YK40

Squares and roots of 398003419728

• 398003419728 squared (398003419728²) is 158406722115182539593984
• 398003419728 cubed (398003419728³) is 63046417109745656267361392655716352
• The square root of 398003419728 is 630875.1221343255
• The cube root of 398003419728 is 7355.7834359341

Scales and comparisons

• 398,003,419,728 seconds is equal to 12,655 years, 14 weeks, 3 days, 1 hour, 28 minutes, 48 seconds.
• To count from 1 to 398,003,419,728 would take you about twenty-five thousand, three hundred ten 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 398003419728 cubic inches would be around 613 feet tall.

Recreational maths with 398003419728

• 398003419728 backwards is 827914300893
• The number of decimal digits it has is: 12
• The sum of 398003419728's digits is 54
• More coming soon!