7338728128

Names of 7338728128

• Cardinal: 7338728128 can be written as Seven billion, three hundred thirty-eight million, seven hundred twenty-eight thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 7.338728128 × 10⁹

Factors of 7338728128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 139

Divisors of 7338728128

• Number of divisors d(n): 126
• Complete list of divisors:
  1 2 4 8 16 23 32 43 46 64 71 86 92 142 172 184 284 344 368 529 568 688 736 989 1058 1136 1376 1472 1633 1978 2116 2272 2752 3053 3266 3956 4232 4544 5041 6106 6532 7912 8464 10082 12212 13064 15824 16928 20164 22747 24424 26128 31648 33856 37559 40328 45494 48848 52256 63296 70219 75118 80656 90988 97696 104512 115943 140438 150236 161312 181976 195392 216763 231886 280876 300472 322624 363952 433526 463772 561752 600944 727904 867052 927544 1123504 1201888 1455808 1615037 1734104 1855088 2247008 2403776 2666689 3230074 3468208 3710176 4494016 4985549 5333378 6460148 6936416 7420352 9971098 10666756 12920296 13872832 19942196 21333512 25840592 39884392 42667024 51681184 79768784 85334048 103362368 114667627 159537568 170668096 229335254 319075136 458670508 917341016 1834682032 3669364064 7338728128
• Sum of all divisors σ(n): 15800008532
• Sum of proper divisors (its aliquot sum) s(n): 8461280404
• 7338728128 is an abundant number, because the sum of its proper divisors (8461280404) is greater than itself. Its abundance is 1122552276

Bases of 7338728128

• Binary: 110110101011011000001101011000000₂
• Hexadecimal: 0x1B56C1AC0
• Base-36: 3DDAEV4

Squares and roots of 7338728128

• 7338728128 squared (7338728128²) is 53856930536698384384
• 7338728128 cubed (7338728128³) is 395241371017410569731016753152
• The square root of 7338728128 is 85666.3768814813
• The cube root of 7338728128 is 1943.3018599865

Scales and comparisons

• 7,338,728,128 seconds is equal to 233 years, 18 weeks, 23 hours, 35 minutes, 28 seconds.
• To count from 1 to 7,338,728,128 would take you about four hundred sixty-six 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 7338728128 cubic inches would be around 161.9 feet tall.

Recreational maths with 7338728128

• 7338728128 backwards is 8218278337
• The number of decimal digits it has is: 10
• The sum of 7338728128's digits is 49
• More coming soon!