138393424455

Names of 138393424455

• Cardinal: 138393424455 can be written as One hundred thirty-eight billion, three hundred ninety-three million, four hundred twenty-four thousand, four hundred fifty-five.

Scientific notation

• Scientific notation: 1.38393424455 × 10¹¹

Factors of 138393424455

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 562

Divisors of 138393424455

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 5 11 13 15 19 33 39 55 57 65 73 95 143 165 181 195 209 219 247 257 285 365 429 543 627 715 741 771 803 905 949 1045 1095 1235 1285 1387 1991 2145 2353 2409 2715 2717 2827 2847 3135 3341 3439 3705 3855 4015 4161 4745 4883 5973 6935 7059 8151 8481 9955 10023 10317 10439 11765 12045 13213 13585 14135 14235 14649 15257 16705 17195 18031 18761 20805 24415 25883 29865 31317 35295 36751 37829 39639 40755 42405 44707 45771 46517 50115 51585 52195 53713 54093 56283 63479 66065 73245 76285 77649 90155 93805 110253 113487 129415 134121 139551 145343 156585 161139 171769 183755 189145 190437 198195 198341 206371 223535 228855 232585 243893 251047 268565 270465 281415 317395 356459 388245 436029 491777 511687 515307 551265 567435 595023 604721 619113 670605 697755 698269 726715 731679 753141 805695 858845 883823 952185 991705 1031855 1069377 1219465 1255235 1475331 1535061 1782295 1814163 1889459 2094807 2180145 2458885 2558435 2576535 2651469 2682823 2761517 2975115 3023605 3095565 3263611 3395741 3491345 3658395 3765705 3921049 4419115 4633967 5346885 5668377 6651931 7376655 7675305 8048469 8284551 9070815 9447295 9722053 9790833 10187223 10474035 11489699 11763147 13257345 13414115 13807585 13901901 16318055 16978705 19605245 19955793 23169835 28341885 29166159 33259655 34469097 35899721 37353151 40242345 41422755 44144633 48610265 48954165 50936115 50973637 57448495 58815735 64519079 69509505 99778965 107699163 112059453 126386689 132433899 145830795 152920911 172345485 179498605 186765755 193557237 220723165 254868185 322595395 379160067 485590963 538495815 560297265 631933445 662169495 709709869 764604555 838748027 967786185 1456772889 1895800335 2129129607 2427954815 2516244081 3548549345 4193740135 7283864445 9226228297 10645648035 12581220405 27678684891 46131141485 138393424455
• Sum of all divisors σ(n): 280203356160
• Sum of proper divisors (its aliquot sum) s(n): 141809931705
• 138393424455 is an abundant number, because the sum of its proper divisors (141809931705) is greater than itself. Its abundance is 3416507250

Bases of 138393424455

• Binary: 10000000111000111001000001001001000111₂
• Hexadecimal: 0x2038E41247
• Base-36: 1RKRVDQF

Squares and roots of 138393424455

• 138393424455 squared (138393424455²) is 19152739932381792047025
• 138393424455 cubed (138393424455³) is 2650613266938341345877474144996375
• The square root of 138393424455 is 372012.6670625611
• The cube root of 138393424455 is 5172.5554132529

Scales and comparisons

• 138,393,424,455 seconds is equal to 4,400 years, 25 weeks, 17 hours, 54 minutes, 15 seconds.
• To count from 1 to 138,393,424,455 would take you about eight thousand, eight hundred 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 138393424455 cubic inches would be around 431 feet tall.

Recreational maths with 138393424455

• 138393424455 backwards is 554424393831
• The number of decimal digits it has is: 12
• The sum of 138393424455's digits is 51
• More coming soon!