15420788056

Names of 15420788056

• Cardinal: 15420788056 can be written as Fifteen billion, four hundred twenty million, seven hundred eighty-eight thousand and fifty-six.

Scientific notation

• Scientific notation: 1.5420788056 × 10¹⁰

Factors of 15420788056

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 605

Divisors of 15420788056

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 8 19 31 38 62 73 76 124 127 146 152 248 254 292 353 508 584 589 706 1016 1178 1387 1412 2263 2356 2413 2774 2824 3937 4526 4712 4826 5548 6707 7874 9052 9271 9652 10943 11096 13414 15748 18104 18542 19304 21886 25769 26828 31496 37084 42997 43772 44831 51538 53656 74168 74803 85994 87544 89662 103076 149606 171988 176149 179324 206152 207917 287401 299212 343976 352298 358648 415834 489611 574802 598424 704596 798839 831668 851789 979222 1149604 1389761 1409192 1597678 1663336 1703578 1958444 2299208 2779522 3195356 3272663 3407156 3916888 5460619 5559044 6390712 6545326 6814312 10921238 11118088 13090652 15177941 21842476 26181304 26405459 30355882 43684952 52810918 60711764 62180597 101452553 105621836 121423528 124361194 202905106 211243672 248722388 405810212 497444776 811620424 1927598507 3855197014 7710394028 15420788056
• Sum of all divisors σ(n): 32189644800
• Sum of proper divisors (its aliquot sum) s(n): 16768856744
• 15420788056 is an abundant number, because the sum of its proper divisors (16768856744) is greater than itself. Its abundance is 1348068688

Bases of 15420788056

• Binary: 1110010111001001101000110101011000₂
• Hexadecimal: 0x397268D58
• Base-36: 731507S

Squares and roots of 15420788056

• 15420788056 squared (15420788056²) is 237800704268072259136
• 15420788056 cubed (15420788056³) is 3667074260085476915829365679616
• The square root of 15420788056 is 124180.4656779801
• The cube root of 15420788056 is 2489.0609005757

Scales and comparisons

• 15,420,788,056 seconds is equal to 490 years, 17 weeks, 2 days, 8 hours, 14 minutes, 16 seconds.
• To count from 1 to 15,420,788,056 would take you about nine hundred eighty 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 15420788056 cubic inches would be around 207.4 feet tall.

Recreational maths with 15420788056

• 15420788056 backwards is 65088702451
• The number of decimal digits it has is: 11
• The sum of 15420788056's digits is 46
• More coming soon!