161142996736

Names of 161142996736

• Cardinal: 161142996736 can be written as One hundred sixty-one billion, one hundred forty-two million, nine hundred ninety-six thousand, seven hundred thirty-six.

Scientific notation

• Scientific notation: 1.61142996736 × 10¹¹

Factors of 161142996736

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 99

Divisors of 161142996736

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 8 16 17 32 34 37 43 64 68 74 86 128 136 148 172 256 272 289 296 344 544 578 592 629 688 731 1088 1156 1184 1258 1369 1376 1462 1591 2176 2312 2368 2516 2738 2752 2924 3182 4352 4624 4736 5032 5476 5504 5848 6364 9248 9472 10064 10693 10952 11008 11696 12427 12728 18496 20128 21386 21904 23273 23392 24854 25456 27047 36992 40256 42772 43808 46546 46784 49708 50653 50912 54094 58867 73984 80512 85544 87616 93092 93568 99416 101306 101824 108188 117734 161024 171088 175232 186184 187136 198832 202612 203648 216376 235468 342176 350464 372368 395641 397664 405224 407296 432752 459799 470936 684352 744736 791282 795328 810448 861101 865504 919598 941872 1000739 1368704 1489472 1582564 1590656 1620896 1722202 1731008 1839196 1883744 2001478 2178079 2737408 2978944 3165128 3181312 3241792 3444404 3462016 3678392 3767488 4002956 4356158 5957888 6330256 6483584 6888808 6924032 7356784 7534976 8005912 8712316 12660512 12967168 13777616 14638717 14713568 15069952 16011824 17012563 17424632 25321024 27555232 29277434 29427136 32023648 34025126 34849264 37027343 50642048 55110464 58554868 58854272 64047296 68050252 69698528 74054686 101284096 110220928 117109736 117708544 128094592 136100504 139397056 148109372 220441856 234219472 256189184 272201008 278794112 296218744 468438944 544402016 557588224 592437488 629464831 936877888 1088804032 1184874976 1258929662 1873755776 2177608064 2369749952 2517859324 3747511552 4355216128 4739499904 5035718648 9478999808 10071437296 20142874592 40285749184 80571498368 161142996736
• Sum of all divisors σ(n): 359348731280
• Sum of proper divisors (its aliquot sum) s(n): 198205734544
• 161142996736 is an abundant number, because the sum of its proper divisors (198205734544) is greater than itself. Its abundance is 37062737808

Bases of 161142996736

• Binary: 10010110000100110111101111111100000000₂
• Hexadecimal: 0x2584DEFF00
• Base-36: 2210DO1S

Squares and roots of 161142996736

• 161142996736 squared (161142996736²) is 25967065397058506653696
• 161142996736 cubed (161142996736³) is 4184410734521697481697568810336256
• The square root of 161142996736 is 401426.2033500055
• The cube root of 161142996736 is 5441.7319485361

Scales and comparisons

• 161,142,996,736 seconds is equal to 5,123 years, 44 weeks, 23 hours, 32 minutes, 16 seconds.
• To count from 1 to 161,142,996,736 would take you about ten thousand, two hundred forty-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 161142996736 cubic inches would be around 453.5 feet tall.

Recreational maths with 161142996736

• 161142996736 backwards is 637699241161
• The number of decimal digits it has is: 12
• The sum of 161142996736's digits is 55
• More coming soon!