155396404020

Names of 155396404020

• Cardinal: 155396404020 can be written as One hundred fifty-five billion, three hundred ninety-six million, four hundred four thousand and twenty.

Scientific notation

• Scientific notation: 1.5539640402 × 10¹¹

Factors of 155396404020

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 38324

Divisors of 155396404020

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 10 11 12 13 15 20 22 26 30 33 39 44 52 55 60 65 66 78 110 130 132 143 156 165 195 220 260 286 330 390 429 479 572 660 715 780 858 958 1430 1437 1716 1916 2145 2395 2860 2874 4290 4790 5269 5748 6227 7185 8580 9580 10538 12454 14370 15807 18681 21076 24908 26345 28740 31135 31614 37362 37811 52690 62270 63228 68497 74724 75622 79035 93405 105380 113433 124540 136994 151244 158070 186810 189055 205491 226866 273988 316140 342485 373620 378110 410982 415921 453732 491543 567165 684970 756220 821964 831842 983086 1027455 1134330 1247763 1369940 1474629 1663684 1966172 2054910 2079605 2268660 2457715 2495526 2949258 4109820 4159210 4915430 4991052 5406973 5898516 6238815 7373145 8318420 9830860 10813946 12477630 14746290 16220919 18111469 21627892 24955260 27034865 29492580 32441838 36222938 54069730 54334407 64883676 72445876 81104595 90557345 108139460 108668814 162209190 181114690 199226159 217337628 235449097 271672035 324418380 362229380 398452318 470898194 543344070 597678477 706347291 796904636 941796388 996130795 1086688140 1177245485 1195356954 1412694582 1992261590 2354490970 2390713908 2589940067 2825389164 2988392385 3531736455 3984523180 4708981940 5179880134 5976784770 7063472910 7769820201 10359760268 11953569540 12949700335 14126945820 15539640402 25899400670 31079280804 38849101005 51798801340 77698202010 155396404020
• Sum of all divisors σ(n): 512258826240
• Sum of proper divisors (its aliquot sum) s(n): 356862422220
• 155396404020 is an abundant number, because the sum of its proper divisors (356862422220) is greater than itself. Its abundance is 201466018200

Bases of 155396404020

• Binary: 10010000101110010110001111001100110100₂
• Hexadecimal: 0x242E58F334
• Base-36: 1ZDZ08QC

Squares and roots of 155396404020

• 155396404020 squared (155396404020²) is 24148042382347072160400
• 155396404020 cubed (155396404020³) is 3752518950339288941301612644808000
• The square root of 155396404020 is 394203.5058443799
• The cube root of 155396404020 is 5376.2607205469

Scales and comparisons

• 155,396,404,020 seconds is equal to 4,941 years, 6 weeks, 3 days, 11 hours, 47 minutes.
• To count from 1 to 155,396,404,020 would take you about nine thousand, eight hundred eighty-two 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 155396404020 cubic inches would be around 448 feet tall.

Recreational maths with 155396404020

• 155396404020 backwards is 020404693551
• 155396404020 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 155396404020's digits is 39
• More coming soon!