155838144

Names of 155838144

• Cardinal: 155838144 can be written as One hundred fifty-five million, eight hundred thirty-eight thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 1.55838144 × 10⁸

Factors of 155838144

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 233

Divisors of 155838144

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 32 33 42 44 48 56 64 66 77 83 84 88 96 112 127 132 154 166 168 176 192 224 231 249 254 264 308 332 336 352 381 448 462 498 508 528 581 616 664 672 704 762 889 913 924 996 1016 1056 1162 1232 1328 1344 1397 1524 1743 1778 1826 1848 1992 2032 2112 2324 2464 2656 2667 2739 2794 3048 3486 3556 3652 3696 3984 4064 4191 4648 4928 5312 5334 5478 5588 6096 6391 6972 7112 7304 7392 7968 8128 8382 9296 9779 10541 10668 10956 11176 12192 12782 13944 14224 14608 14784 15936 16764 18592 19173 19558 21082 21336 21912 22352 24384 25564 27888 28448 29216 29337 31623 33528 37184 38346 39116 42164 42672 43824 44704 51128 55776 56896 58432 58674 63246 67056 73787 76692 78232 84328 85344 87648 89408 102256 111552 115951 117348 126492 134112 147574 153384 156464 168656 170688 175296 204512 221361 231902 234696 252984 268224 295148 306768 312928 337312 347853 409024 442722 463804 469392 505968 590296 613536 625856 674624 695706 811657 885444 927608 938784 1011936 1180592 1227072 1391412 1623314 1770888 1855216 1877568 2023872 2361184 2434971 2782824 3246628 3541776 3710432 4722368 4869942 5565648 6493256 7083552 7420864 9739884 11131296 12986512 14167104 19479768 22262592 25973024 38959536 51946048 77919072 155838144
• Sum of all divisors σ(n): 524353536
• Sum of proper divisors (its aliquot sum) s(n): 368515392
• 155838144 is an abundant number, because the sum of its proper divisors (368515392) is greater than itself. Its abundance is 212677248

Bases of 155838144

• Binary: 1001010010011110011011000000₂
• Hexadecimal: 0x949E6C0
• Base-36: 2KS5HC

Squares and roots of 155838144

• 155838144 squared (155838144²) is 24285527125364736
• 155838144 cubed (155838144³) is 3784611473278495781289984
• The square root of 155838144 is 12483.5148896455
• The cube root of 155838144 is 538.1350204455

Scales and comparisons

• 155,838,144 seconds is equal to 4 years, 49 weeks, 4 days, 16 hours, 22 minutes, 24 seconds.
• To count from 1 to 155,838,144 would take you about seven 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 155838144 cubic inches would be around 44.8 feet tall.

Recreational maths with 155838144

• 155838144 backwards is 441838551
• The number of decimal digits it has is: 9
• The sum of 155838144's digits is 39
• More coming soon!