161339904

Names of 161339904

• Cardinal: 161339904 can be written as One hundred sixty-one million, three hundred thirty-nine thousand, nine hundred four.

Scientific notation

• Scientific notation: 1.61339904 × 10⁸

Factors of 161339904

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1077

Divisors of 161339904

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 64 66 72 88 96 99 108 128 132 144 176 192 198 216 256 264 288 297 352 384 396 432 512 528 576 594 704 768 792 864 1056 1061 1152 1188 1408 1536 1584 1728 2112 2122 2304 2376 2816 3168 3183 3456 4224 4244 4608 4752 5632 6336 6366 6912 8448 8488 9504 9549 11671 12672 12732 13824 16896 16976 19008 19098 23342 25344 25464 28647 33952 35013 38016 38196 46684 50688 50928 57294 67904 70026 76032 76392 93368 101856 105039 114588 135808 140052 152064 152784 186736 203712 210078 229176 271616 280104 305568 315117 373472 407424 420156 458352 543232 560208 611136 630234 746944 814848 840312 916704 1120416 1222272 1260468 1493888 1629696 1680624 1833408 2240832 2444544 2520936 2987776 3361248 3666816 4481664 4889088 5041872 5975552 6722496 7333632 8963328 10083744 13444992 14667264 17926656 20167488 26889984 40334976 53779968 80669952 161339904
• Sum of all divisors σ(n): 521484480
• Sum of proper divisors (its aliquot sum) s(n): 360144576
• 161339904 is an abundant number, because the sum of its proper divisors (360144576) is greater than itself. Its abundance is 198804672

Bases of 161339904

• Binary: 1001100111011101101000000000₂
• Hexadecimal: 0x99DDA00
• Base-36: 2O22O0

Squares and roots of 161339904

• 161339904 squared (161339904²) is 26030564622729216
• 161339904 cubed (161339904³) is 4199768797296927927435264
• The square root of 161339904 is 12701.9645724589
• The cube root of 161339904 is 544.3947538465

Scales and comparisons

• 161,339,904 seconds is equal to 5 years, 6 weeks, 5 days, 8 hours, 38 minutes, 24 seconds.
• To count from 1 to 161,339,904 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 161339904 cubic inches would be around 45.4 feet tall.

Recreational maths with 161339904

• 161339904 backwards is 409933161
• 161339904 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 161339904's digits is 36
• More coming soon!