400755985649664

Names of 400755985649664

• Cardinal: 400755985649664 can be written as Four hundred trillion, seven hundred fifty-five billion, nine hundred eighty-five million, six hundred forty-nine thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 4.00755985649664 × 10¹⁴

Factors of 400755985649664

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 195377

Divisors of 400755985649664

• Number of divisors d(n): 156
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 409 512 768 818 1024 1227 1536 1636 2048 2454 3072 3272 4096 4908 6144 6544 9816 12288 13088 19632 26176 39264 52352 78528 104704 157056 167281 194963 209408 314112 334562 389926 418816 501843 584889 628224 669124 779852 837632 1003686 1169778 1256448 1338248 1559704 1675264 2007372 2339556 2512896 2676496 3119408 4014744 4679112 5025792 5352992 6238816 8029488 9358224 10705984 12477632 16058976 18716448 21411968 24955264 32117952 37432896 42823936 49910528 64235904 74865792 79739867 85647872 99821056 128471808 149731584 159479734 171295744 199642112 239219601 256943616 299463168 318959468 342591488 399284224 478439202 513887232 598926336 637918936 685182976 798568448 956878404 1027774464 1197852672 1275837872 1913756808 2055548928 2395705344 2551675744 3827513616 5103351488 7655027232 10206702976 15310054464 20413405952 30620108928 32613605603 40826811904 61240217856 65227211206 81653623808 97840816809 122480435712 130454422412 163307247616 195681633618 244960871424 260908844824 326614495232 391363267236 489921742848 521817689648 782726534472 979843485696 1043635379296 1565453068944 2087270758592 3130906137888 4174541517184 6261812275776 8349083034368 12523624551552 16698166068736 25047249103104 33396332137472 50094498206208 66792664274944 100188996412416 133585328549888 200377992824832 400755985649664
• Sum of all divisors σ(n): 1071176652974736
• Sum of proper divisors (its aliquot sum) s(n): 670420667325072
• 400755985649664 is an abundant number, because the sum of its proper divisors (670420667325072) is greater than itself. Its abundance is 269664681675408

Bases of 400755985649664

• Binary: 1011011000111110001000110001010101001000000000000₂
• Hexadecimal: 0x16C7C462A9000
• Base-36: 3Y20RAN56O

Squares and roots of 400755985649664

• 400755985649664 squared (400755985649664²) is 160605360034033697900143312896
• 400755985649664 cubed (400755985649664³) is 64363559361058328746314833313398387789266944
• The square root of 400755985649664 is 20018890.7197592743
• The cube root of 400755985649664 is 73727.0186765063

Scales and comparisons

• 400,755,985,649,664 seconds is equal to 12,742,800 years, 37 weeks, 4 days, 12 hours, 54 minutes, 24 seconds.
• To count from 1 to 400,755,985,649,664 would take you about thirty-one million, eight hundred fifty-seven thousand and 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 400755985649664 cubic inches would be around 6143.9 feet tall.

Recreational maths with 400755985649664

• 400755985649664 backwards is 466946589557004
• The number of decimal digits it has is: 15
• The sum of 400755985649664's digits is 78
• More coming soon!