161138039040

Names of 161138039040

• Cardinal: 161138039040 can be written as One hundred sixty-one billion, one hundred thirty-eight million, thirty-nine thousand and forty.

Scientific notation

• Scientific notation: 1.6113803904 × 10¹¹

Factors of 161138039040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 423890

Divisors of 161138039040

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 32 33 36 40 44 45 48 54 55 60 64 66 72 80 88 90 96 99 108 110 120 128 132 135 144 160 165 176 180 192 198 216 220 240 256 264 270 288 297 320 330 352 360 384 396 432 440 480 495 528 540 576 594 640 660 704 720 768 792 864 880 960 990 1056 1080 1152 1188 1280 1320 1408 1440 1485 1584 1728 1760 1920 1980 2112 2160 2304 2376 2640 2816 2880 2970 3168 3456 3520 3840 3960 4224 4320 4752 5280 5760 5940 6336 6912 7040 7920 8448 8640 9504 10560 11520 11880 12672 14080 15840 17280 19008 21120 23760 25344 31680 34560 38016 42240 47520 63360 76032 95040 126720 190080 380160 423869 847738 1271607 1695476 2119345 2543214 3390952 3814821 4238690 4662559 5086428 6358035 6781904 7629642 8477380 9325118 10172856 11444463 12716070 13563808 13987677 15259284 16954760 18650236 19074105 20345712 22888926 23312795 25432140 27127616 27975354 30518568 33909520 37300472 38148210 40691424 41963031 45777852 46625590 50864280 54255232 55950708 57222315 61037136 67819040 69938385 74600944 76296420 81382848 83926062 91555704 93251180 101728560 108510464 111901416 114444630 122074272 125889093 135638080 139876770 149201888 152592840 162765696 167852124 183111408 186502360 203457120 209815155 223802832 228889260 244148544 251778186 271276160 279753540 298403776 305185680 325531392 335704248 366222816 373004720 406914240 419630310 447605664 457778520 488297088 503556372 542552320 559507080 596807552 610371360 629445465 671408496 732445632 746009440 813828480 839260620 895211328 915557040 976594176 1007112744 1119014160 1193615104 1220742720 1258890930 1342816992 1464891264 1492018880 1627656960 1678521240 1790422656 1831114080 2014225488 2238028320 2441485440 2517781860 2685633984 2929782528 2984037760 3357042480 3580845312 3662228160 4028450976 4476056640 4882970880 5035563720 5371267968 5968075520 6714084960 7324456320 8056901952 8952113280 10071127440 10742535936 13428169920 14648912640 16113803904 17904226560 20142254880 26856339840 32227607808 40284509760 53712679680 80569019520 161138039040
• Sum of all divisors σ(n): 623801001600
• Sum of proper divisors (its aliquot sum) s(n): 462662962560
• 161138039040 is an abundant number, because the sum of its proper divisors (462662962560) is greater than itself. Its abundance is 301524923520

Bases of 161138039040

• Binary: 10010110000100100100110101100100000000₂
• Hexadecimal: 0x2584935900
• Base-36: 220XFEO0

Squares and roots of 161138039040

• 161138039040 squared (161138039040²) is 25965467625656564121600
• 161138039040 cubed (161138039040³) is 4184024535954903535058644107264000
• The square root of 161138039040 is 401420.0281998895
• The cube root of 161138039040 is 5441.6761415201

Scales and comparisons

• 161,138,039,040 seconds is equal to 5,123 years, 35 weeks, 6 days, 14 hours, 24 minutes.
• To count from 1 to 161,138,039,040 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 161138039040 cubic inches would be around 453.5 feet tall.

Recreational maths with 161138039040

• 161138039040 backwards is 040930831161
• 161138039040 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 161138039040's digits is 36
• More coming soon!