155399947264

Names of 155399947264

• Cardinal: 155399947264 can be written as One hundred fifty-five billion, three hundred ninety-nine million, nine hundred forty-seven thousand, two hundred sixty-four.

Scientific notation

• Scientific notation: 1.55399947264 × 10¹¹

Factors of 155399947264

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 226

Divisors of 155399947264

• Number of divisors d(n): 99
• Complete list of divisors:
  1 2 4 8 16 32 64 97 127 128 194 254 256 388 508 512 776 1016 1024 1552 2032 3104 4064 6208 8128 9409 12319 12416 16129 16256 18818 24638 24832 32258 32512 37636 49276 49664 64516 65024 75272 98552 99328 129032 130048 150544 197104 258064 301088 394208 516128 602176 788416 1032256 1194943 1204352 1564513 1576832 2064512 2389886 2408704 3129026 3153664 4129024 4779772 4817408 6258052 6307328 8258048 9559544 9634816 12516104 12614656 16516096 19119088 25032208 38238176 50064416 76476352 100128832 151757761 152952704 200257664 303515522 305905408 400515328 607031044 611810816 801030656 1214062088 1223621632 1602061312 2428124176 4856248352 9712496704 19424993408 38849986816 77699973632 155399947264
• Sum of all divisors σ(n): 316374697053
• Sum of proper divisors (its aliquot sum) s(n): 160974749789
• 155399947264 is an abundant number, because the sum of its proper divisors (160974749789) is greater than itself. Its abundance is 5574802525

Bases of 155399947264

• Binary: 10010000101110100011110000010000000000₂
• Hexadecimal: 0x242E8F0400
• Base-36: 1ZE146PS

Squares and roots of 155399947264

• 155399947264 squared (155399947264²) is 24149143609653981085696
• 155399947264 cubed (155399947264³) is 3752775643410991262004811864735744
• 155399947264 is a perfect square number. Its square root is 394208
• The cube root of 155399947264 is 5376.3015821935

Scales and comparisons

• 155,399,947,264 seconds is equal to 4,941 years, 12 weeks, 2 days, 12 hours, 1 minute, 4 seconds.
• To count from 1 to 155,399,947,264 would take you about nine thousand, eight hundred eighty-two 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 155399947264 cubic inches would be around 448 feet tall.

Recreational maths with 155399947264

• 155399947264 backwards is 462749993551
• 155399947264 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 155399947264's digits is 64
• More coming soon!