155855494740

Names of 155855494740

• Cardinal: 155855494740 can be written as One hundred fifty-five billion, eight hundred fifty-five million, four hundred ninety-four thousand, seven hundred forty.

Scientific notation

• Scientific notation: 1.5585549474 × 10¹¹

Factors of 155855494740

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 148

Divisors of 155855494740

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 121 127 132 165 220 242 254 330 363 381 484 508 605 635 660 726 762 1210 1270 1331 1397 1452 1524 1815 1905 2420 2540 2662 2794 3630 3810 3993 4191 5324 5588 6655 6985 7260 7620 7986 8382 13310 13970 14641 15367 15972 16129 16764 19965 20955 26620 27940 29282 30734 32258 39930 41910 43923 46101 48387 58564 61468 64516 73205 76835 79860 80645 83820 87846 92202 96774 146410 153670 161051 161290 169037 175692 177419 184404 193548 219615 230505 241935 292820 307340 322102 322580 338074 354838 439230 461010 483153 483870 507111 532257 644204 676148 709676 805255 845185 878460 887095 922020 966306 967740 1014222 1064514 1610510 1690370 1774190 1859407 1932612 1951609 2028444 2129028 2415765 2535555 2661285 3221020 3380740 3548380 3718814 3903218 4831530 5071110 5322570 5578221 5854827 7437628 7806436 9297035 9663060 9758045 10142220 10645140 11156442 11709654 18594070 19516090 20453477 21467699 22312884 23419308 27891105 29274135 37188140 39032180 40906954 42935398 55782210 58548270 61360431 64403097 81813908 85870796 102267385 107338495 111564420 117096540 122720862 128806194 204534770 214676990 236144689 245441724 257612388 306802155 322015485 409069540 429353980 472289378 613604310 644030970 708434067 944578756 1180723445 1227208620 1288061940 1416868134 2361446890 2597591579 2833736268 3542170335 4722893780 5195183158 7084340670 7792774737 10390366316 12987957895 14168681340 15585549474 25975915790 31171098948 38963873685 51951831580 77927747370 155855494740
• Sum of all divisors σ(n): 483844215456
• Sum of proper divisors (its aliquot sum) s(n): 327988720716
• 155855494740 is an abundant number, because the sum of its proper divisors (327988720716) is greater than itself. Its abundance is 172133225976

Bases of 155855494740

• Binary: 10010001001001101101100001111001010100₂
• Hexadecimal: 0x2449B61E54
• Base-36: 1ZLKC5EC

Squares and roots of 155855494740

• 155855494740 squared (155855494740²) is 24290935240650167667600
• 155855494740 cubed (155855494740³) is 3785875729628832841097749868424000
• The square root of 155855494740 is 394785.3780726943
• The cube root of 155855494740 is 5381.5499136763

Scales and comparisons

• 155,855,494,740 seconds is equal to 4,955 years, 37 weeks, 4 days, 59 minutes.
• To count from 1 to 155,855,494,740 would take you about nine thousand, nine hundred eleven 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 155855494740 cubic inches would be around 448.5 feet tall.

Recreational maths with 155855494740

• 155855494740 backwards is 047494558551
• The number of decimal digits it has is: 12
• The sum of 155855494740's digits is 57
• More coming soon!