399864540038400

Names of 399864540038400

• Cardinal: 399864540038400 can be written as Three hundred ninety-nine trillion, eight hundred sixty-four billion, five hundred forty million, thirty-eight thousand, four hundred.

Scientific notation

• Scientific notation: 3.998645400384 × 10¹⁴

Factors of 399864540038400

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 2314030913

Divisors of 399864540038400

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 32 36 40 45 48 50 54 60 64 72 75 80 90 96 100 108 120 128 135 144 150 160 180 192 200 216 225 240 256 270 288 300 320 360 384 400 432 450 480 540 576 600 640 675 720 768 800 864 900 960 1080 1152 1200 1280 1350 1440 1600 1728 1800 1920 2160 2304 2400 2700 2880 3200 3456 3600 3840 4320 4800 5400 5760 6400 6912 7200 8640 9600 10800 11520 14400 17280 19200 21600 28800 34560 43200 57600 86400 172800 2314030903 4628061806 6942092709 9256123612 11570154515 13884185418 18512247224 20826278127 23140309030 27768370836 34710463545 37024494448 41652556254 46280618060 55536741672 57850772575 62478834381 69420927090 74048988896 83305112508 92561236120 104131390635 111073483344 115701545150 124957668762 138841854180 148097977792 166610225016 173552317725 185122472240 208262781270 222146966688 231403090300 249915337524 277683708360 296195955584 312394171905 333220450032 347104635450 370244944480 416525562540 444293933376 462806180600 499830675048 520656953175 555367416720 592391911168 624788343810 666440900064 694209270900 740489888960 833051125080 888587866752 925612361200 999661350096 1041313906350 1110734833440 1249576687620 1332881800128 1388418541800 1480979777920 1561970859525 1666102250160 1777175733504 1851224722400 1999322700192 2082627812700 2221469666880 2499153375240 2665763600256 2776837083600 2961959555840 3123941719050 3332204500320 3702449444800 3998645400384 4165255625400 4442939333760 4998306750480 5331527200512 5553674167200 6247883438100 6664409000640 7404898889600 7997290800768 8330511250800 8885878667520 9996613500960 11107348334400 12495766876200 13328818001280 14809797779200 15994581601536 16661022501600 19993227001920 22214696668800 24991533752400 26657636002560 33322045003200 39986454003840 44429393337600 49983067504800 66644090006400 79972908007680 99966135009600 133288180012800 199932270019200 399864540038400
• Sum of all divisors σ(n): 1466262542010560
• Sum of proper divisors (its aliquot sum) s(n): 1066398001972160
• 399864540038400 is an abundant number, because the sum of its proper divisors (1066398001972160) is greater than itself. Its abundance is 666533461933760

Bases of 399864540038400

• Binary: 1011010111010110010110111110111100000010100000000₂
• Hexadecimal: 0x16BACB7DE0500
• Base-36: 3XQN8EXXC0

Squares and roots of 399864540038400

• 399864540038400 squared (399864540038400²) is 159891650380121196673474560000
• 399864540038400 cubed (399864540038400³) is 63935001235227826826685089088363823104000000
• The square root of 399864540038400 is 19996613.2142020489
• The cube root of 399864540038400 is 73672.3117209897

Scales and comparisons

• 399,864,540,038,400 seconds is equal to 12,714,455 years, 26 weeks, 4 days.
• To count from 1 to 399,864,540,038,400 would take you about thirty-one million, seven hundred eighty-six thousand, one hundred thirty-eight 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 399864540038400 cubic inches would be around 6139.4 feet tall.

Recreational maths with 399864540038400

• 399864540038400 backwards is 004830045468993
• The number of decimal digits it has is: 15
• The sum of 399864540038400's digits is 63
• More coming soon!