161438518457792

Names of 161438518457792

• Cardinal: 161438518457792 can be written as One hundred sixty-one trillion, four hundred thirty-eight billion, five hundred eighteen million, four hundred fifty-seven thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 1.61438518457792 × 10¹⁴

Factors of 161438518457792

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 175

Divisors of 161438518457792

• Number of divisors d(n): 210
• Complete list of divisors:
  1 2 4 8 16 23 32 46 61 64 89 92 122 178 184 244 356 368 488 712 736 976 1403 1424 1472 1952 2047 2806 2848 3721 3904 4094 5429 5612 5696 7442 7921 8188 10858 11224 14884 15842 16376 21716 22448 29768 31684 32752 43432 44896 59536 63368 65504 85583 86864 89792 119072 124867 126736 131008 171166 173728 182183 226981 238144 249734 253472 331169 342332 347456 364366 453962 483181 499468 506944 662338 684664 728732 907924 966362 998936 1324676 1369328 1457464 1815848 1932724 1997872 2649352 2738656 2914928 3631696 3865448 3995744 5220563 5298704 5477312 5829856 7263392 7616887 7730896 7991488 10441126 10597408 11113163 11659712 13845841 14526784 15233774 15461792 20201309 20882252 21194816 22226326 27691682 29474041 30467548 30923584 40402618 41764504 44452652 55383364 58948082 60935096 80805236 83529008 88905304 110766728 117896164 121870192 161610472 167058016 177810608 221533456 235792328 243740384 318454343 323220944 334116032 355621216 443066912 464630107 471584656 487480768 636908686 646441888 677902943 711242432 886133824 929260214 943169312 1232279849 1273817372 1292883776 1355805886 1797916501 1858520428 1886338624 2464559698 2547634744 2711611772 3595833002 3717040856 4929119396 5095269488 5423223544 7191666004 7434081712 9858238792 10190538976 10846447088 14383332008 14868163424 19716477584 20381077952 21692894176 28342436527 28766664016 29736326848 39432955168 41352079523 43385788352 56684873054 57533328032 78865910336 82704159046 109672906561 113369746108 115066656064 165408318092 219345813122 226739492216 330816636184 438691626244 453478984432 661633272368 877383252488 906957968864 1323266544736 1754766504976 1813915937728 2522476850903 2646533089472 3509533009952 5044953701806 7019066019904 10089907403612 20179814807224 40359629614448 80719259228896 161438518457792
• Sum of all divisors σ(n): 343715896732440
• Sum of proper divisors (its aliquot sum) s(n): 182277378274648
• 161438518457792 is an abundant number, because the sum of its proper divisors (182277378274648) is greater than itself. Its abundance is 20838859816856

Bases of 161438518457792

• Binary: 100100101101001111010101100010111011010111000000₂
• Hexadecimal: 0x92D3D58BB5C0
• Base-36: 1L83TXO5A8

Squares and roots of 161438518457792

• 161438518457792 squared (161438518457792²) is 26062395241846848274085515264
• 161438518457792 cubed (161438518457792³) is 4207474475305162810894775754576694955737088
• The square root of 161438518457792 is 12705845.8379515999
• The cube root of 161438518457792 is 54450.5646560167

Scales and comparisons

• 161,438,518,457,792 seconds is equal to 5,133,245 years, 27 weeks, 2 days, 56 minutes, 32 seconds.
• To count from 1 to 161,438,518,457,792 would take you about twelve million, eight hundred thirty-three thousand, one hundred thirteen 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 161438518457792 cubic inches would be around 4537.5 feet tall.

Recreational maths with 161438518457792

• 161438518457792 backwards is 297754815834161
• The number of decimal digits it has is: 15
• The sum of 161438518457792's digits is 71
• More coming soon!