399816356935940815

Names of 399816356935940815

• Cardinal: 399816356935940815 can be written as Three hundred ninety-nine quadrillion, eight hundred sixteen trillion, three hundred fifty-six billion, nine hundred thirty-five million, nine hundred forty thousand, eight hundred fifteen.

Scientific notation

• Scientific notation: 3.99816356935940815 × 10¹⁷

Factors of 399816356935940815

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 58373

Divisors of 399816356935940815

• Number of divisors d(n): 128
• Complete list of divisors:
  1 5 13 41 65 205 241 533 761 1205 2665 3133 3805 9881 9893 15665 26881 30431 31201 49405 49465 128453 134405 152155 156005 183401 349453 395603 405613 642265 917005 1102121 1247671 1747265 1978015 2028065 2384213 5510605 6238355 6478321 7333871 7519441 11921065 14327573 16219723 20456441 23157991 32391605 36669355 37597205 71637865 81098615 84218173 95340323 97752733 102282205 115789955 265611161 265933733 300688711 301053883 421090865 476701615 488763665 818015711 838714081 949477631 1328055805 1329668665 1503443555 1505269415 3452945093 3908953243 4090078555 4193570405 4747388155 4930002281 5581075831 10634204243 10903283053 12343209203 17264725465 19544766215 24650011405 27905379155 33538644151 53171021215 54516415265 61716046015 64090029653 72553985803 167693220755 197141786351 202130093521 228824109071 320450148265 362769929015 436002373963 622509956071 985708931755 1010650467605 1144120545355 2180011869815 2562843222563 2627691215773 2974713417923 3112549780355 8082813240391 8092629428923 12814216112815 13138456078865 14873567089615 25522908198911 40414066201955 40463147144615 105076572125083 127614540994555 150024899413111 331797806585843 525382860625415 750124497065555 1658989032929215 1950323692370443 6151020875937551 9751618461852215 30755104379687755 79963271387188163 399816356935940815
• Sum of all divisors σ(n): 532219748973631488
• Sum of proper divisors (its aliquot sum) s(n): 132403392037690673
• 399816356935940815 is a deficient number, because the sum of its proper divisors (132403392037690673) is less than itself. Its deficiency is 267412964898250142

Bases of 399816356935940815

• Binary: 10110001100011011101101101110111010100011101011101011001111₂
• Hexadecimal: 0x58C6EDBBA8EBACF
• Base-36: 31CR2IQN8EKV

Squares and roots of 399816356935940815

• 399816356935940815 squared (399816356935940815²) is 159853119273527629045925489182864225
• 399816356935940815 cubed (399816356935940815³) is 63911891792788242643619342786871366857347726780843375
• The square root of 399816356935940815 is 632310332.7765099989
• The cube root of 399816356935940815 is 736693.5246622671

Scales and comparisons

• 399,816,356,935,940,815 seconds is equal to 12,712,923,437 years, 19 weeks, 2 days, 26 minutes, 55 seconds.
• To count from 1 to 399,816,356,935,940,815 would take you about thirty-eight billion, one hundred thirty-eight million, seven hundred seventy thousand, three hundred twelve 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 399816356935940815 cubic inches would be around 61391.1 feet tall.

Recreational maths with 399816356935940815

• 399816356935940815 backwards is 518049539653618993
• The number of decimal digits it has is: 18
• The sum of 399816356935940815's digits is 94
• More coming soon!