399729216978944

Names of 399729216978944

• Cardinal: 399729216978944 can be written as Three hundred ninety-nine trillion, seven hundred twenty-nine billion, two hundred sixteen million, nine hundred seventy-eight thousand, nine hundred forty-four.

Scientific notation

• Scientific notation: 3.99729216978944 × 10¹⁴

Factors of 399729216978944

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 1153

Divisors of 399729216978944

• Number of divisors d(n): 76
• Complete list of divisors:
  1 2 4 8 16 32 64 128 256 512 1024 1151 2048 2302 4096 4604 8192 9208 16384 18416 32768 36832 65536 73664 131072 147328 262144 294656 589312 1178624 1324801 2357248 2649602 4714496 5299204 9428992 10598408 18857984 21196816 37715968 42393632 75431936 84787264 150863872 169574528 301727744 339149056 678298112 1356596224 1524845951 2713192448 3049691902 5426384896 6099383804 10852769792 12198767608 21705539584 24397535216 43411079168 48795070432 86822158336 97590140864 173644316672 195180281728 347288633344 390360563456 780721126912 1561442253824 3122884507648 6245769015296 12491538030592 24983076061184 49966152122368 99932304244736 199864608489472 399729216978944
• Sum of all divisors σ(n): 800152089032448
• Sum of proper divisors (its aliquot sum) s(n): 400422872053504
• 399729216978944 is an abundant number, because the sum of its proper divisors (400422872053504) is greater than itself. Its abundance is 693655074560

Bases of 399729216978944

• Binary: 1011010111000110100110101111111000000000000000000₂
• Hexadecimal: 0x16B8D35FC0000
• Base-36: 3XOX2F34E8

Squares and roots of 399729216978944

• 399729216978944 squared (399729216978944²) is 159783446906599692214139355136
• 399729216978944 cubed (399729216978944³) is 63870112118171766843133557638137290250256384
• The square root of 399729216978944 is 19993229.2784068277
• 399729216978944 is a perfect cube number. Its cube root is 73664

Scales and comparisons

• 399,729,216,978,944 seconds is equal to 12,710,152 years, 34 weeks, 21 hours, 15 minutes, 44 seconds.
• To count from 1 to 399,729,216,978,944 would take you about thirty-one million, seven hundred seventy-five thousand, three hundred eighty-one 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 399729216978944 cubic inches would be around 6138.7 feet tall.

Recreational maths with 399729216978944

• 399729216978944 backwards is 449879612927993
• The number of decimal digits it has is: 15
• The sum of 399729216978944's digits is 89
• More coming soon!