390242145423

Names of 390242145423

• Cardinal: 390242145423 can be written as Three hundred ninety billion, two hundred forty-two million, one hundred forty-five thousand, four hundred twenty-three.

Scientific notation

• Scientific notation: 3.90242145423 × 10¹¹

Factors of 390242145423

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1249

Divisors of 390242145423

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 13 17 23 39 51 69 89 221 267 299 391 421 663 683 897 1157 1173 1263 1513 2047 2049 3471 4539 5083 5473 6141 7157 8879 9683 11611 15249 15709 16419 19669 21471 26611 26637 29049 34799 34833 37469 47127 59007 60787 79833 93041 104397 112407 125879 150943 164611 182361 204217 267053 279123 287543 377637 452387 452829 487097 493833 612651 636973 790231 801159 861787 862629 1033379 1357161 1398101 1461291 1910919 2139943 2370693 2585361 3100137 3471689 3738059 4194303 4888231 6419829 6613489 8280649 10415067 11203231 11214177 13433927 14650379 14664693 18175313 19840467 23767717 24841947 25591327 33609693 40301781 43951137 54525939 63547003 71303151 76773981 85975357 112429313 190454927 190641009 257926071 308980321 332687251 337287939 435052559 571364781 588600521 926940963 998061753 1305157677 1461581069 1765801563 4384743207 5655683267 7651806773 10006208857 16967049801 22955420319 30018626571 130080715141 390242145423
• Sum of all divisors σ(n): 628467517440
• Sum of proper divisors (its aliquot sum) s(n): 238225372017
• 390242145423 is a deficient number, because the sum of its proper divisors (238225372017) is less than itself. Its deficiency is 152016773406

Bases of 390242145423

• Binary: 101101011011100001111101001010010001111₂
• Hexadecimal: 0x5ADC3E948F
• Base-36: 4Z9W3IJ3

Squares and roots of 390242145423

• 390242145423 squared (390242145423²) is 152288932064345879848929
• 390242145423 cubed (390242145423³) is 59429559572967832437376636088801967
• The square root of 390242145423 is 624693.6412538549
• The cube root of 390242145423 is 7307.6553545807

Scales and comparisons

• 390,242,145,423 seconds is equal to 12,408 years, 25 weeks, 4 days, 11 hours, 57 minutes, 3 seconds.
• To count from 1 to 390,242,145,423 would take you about twenty-four thousand, eight hundred sixteen 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 390242145423 cubic inches would be around 609 feet tall.

Recreational maths with 390242145423

• 390242145423 backwards is 324541242093
• 390242145423 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 390242145423's digits is 39
• More coming soon!