815200268428

Names of 815200268428

• Cardinal: 815200268428 can be written as Eight hundred fifteen billion, two hundred million, two hundred sixty-eight thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 8.15200268428 × 10¹¹

Factors of 815200268428

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 35934

Divisors of 815200268428

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 7 13 14 26 28 49 52 91 98 182 196 364 637 1274 2548 16381 19531 32762 39062 65524 78124 114667 136717 212953 229334 253903 273434 425906 458668 507806 546868 802669 851812 957019 1015612 1490671 1605338 1777321 1914038 2981342 3210676 3554642 3828076 5962684 7109284 10434697 12441247 20869394 24882494 41738788 49764988 319937311 639874622 1279749244 2239561177 4159185043 4479122354 8318370086 8958244708 15676928239 16636740172 29114295301 31353856478 58228590602 62707712956 116457181204 203800067107 407600134214 815200268428
• Sum of all divisors σ(n): 1787370429264
• Sum of proper divisors (its aliquot sum) s(n): 972170160836
• 815200268428 is an abundant number, because the sum of its proper divisors (972170160836) is greater than itself. Its abundance is 156969892408

Bases of 815200268428

• Binary: 1011110111001101101110001111000010001100₂
• Hexadecimal: 0xBDCDB8F08C
• Base-36: AEHX6WSS

Squares and roots of 815200268428

• 815200268428 squared (815200268428²) is 664551477645083253591184
• 815200268428 cubed (815200268428³) is 541742542960495909641940791774338752
• The square root of 815200268428 is 902884.4158739257
• The cube root of 815200268428 is 9341.6036738933

Scales and comparisons

• 815,200,268,428 seconds is equal to 25,920 years, 44 weeks, 7 hours, 28 seconds.
• To count from 1 to 815,200,268,428 would take you about fifty-one thousand, eight hundred forty-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 815200268428 cubic inches would be around 778.5 feet tall.

Recreational maths with 815200268428

• 815200268428 backwards is 824862002518
• The number of decimal digits it has is: 12
• The sum of 815200268428's digits is 46
• More coming soon!