145688388372

Names of 145688388372

• Cardinal: 145688388372 can be written as One hundred forty-five billion, six hundred eighty-eight million, three hundred eighty-eight thousand, three hundred seventy-two.

Scientific notation

• Scientific notation: 1.45688388372 × 10¹¹

Factors of 145688388372

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3845

Divisors of 145688388372

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 71 108 142 213 284 426 639 852 1278 1917 2556 3769 3834 5041 7538 7668 10082 11307 15076 15123 20164 22614 30246 33921 45228 45369 60492 67842 90738 101763 135684 136107 181476 203526 267599 272214 357911 407052 535198 544428 715822 802797 1070396 1073733 1431644 1605594 2147466 2408391 3211188 3221199 4294932 4816782 6442398 7225173 9633564 9663597 12884796 14450346 18999529 19327194 28900692 37999058 38654388 56998587 75998116 113997174 170995761 227994348 341991522 512987283 683983044 1025974566 1348966559 2051949132 2697933118 4046899677 5395866236 8093799354 12140699031 16187598708 24281398062 36422097093 48562796124 72844194186 145688388372
• Sum of all divisors σ(n): 383208134400
• Sum of proper divisors (its aliquot sum) s(n): 237519746028
• 145688388372 is an abundant number, because the sum of its proper divisors (237519746028) is greater than itself. Its abundance is 91831357656

Bases of 145688388372

• Binary: 10000111101011101101000110001100010100₂
• Hexadecimal: 0x21EBB46314
• Base-36: 1UXF3RX0

Squares and roots of 145688388372

• 145688388372 squared (145688388372²) is 21225106506430704810384
• 145688388372 cubed (145688388372³) is 3092251559945940637920912810454848
• The square root of 145688388372 is 381691.4832322043
• The cube root of 145688388372 is 5261.8885637973

Scales and comparisons

• 145,688,388,372 seconds is equal to 4,632 years, 22 weeks, 6 days, 4 hours, 46 minutes, 12 seconds.
• To count from 1 to 145,688,388,372 would take you about nine thousand, two hundred sixty-four 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 145688388372 cubic inches would be around 438.5 feet tall.

Recreational maths with 145688388372

• 145688388372 backwards is 273883886541
• The number of decimal digits it has is: 12
• The sum of 145688388372's digits is 63
• More coming soon!