149818161920

Names of 149818161920

• Cardinal: 149818161920 can be written as One hundred forty-nine billion, eight hundred eighteen million, one hundred sixty-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.4981816192 × 10¹¹

Factors of 149818161920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 283476

Divisors of 149818161920

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 59 64 70 80 112 118 128 140 160 224 236 256 280 295 320 413 448 472 560 590 640 826 896 944 1120 1180 1280 1652 1792 1888 2065 2240 2360 3304 3776 4130 4480 4720 6608 7552 8260 8960 9440 13216 15104 16520 18880 26432 33040 37760 52864 66080 75520 105728 132160 264320 283403 528640 566806 1133612 1417015 1983821 2267224 2834030 3967642 4534448 5668060 7935284 9068896 9919105 11336120 15870568 16720777 18137792 19838210 22672240 31741136 33441554 36275584 39676420 45344480 63482272 66883108 72551168 79352840 83603885 90688960 117045439 126964544 133766216 158705680 167207770 181377920 234090878 253929088 267532432 317411360 334415540 362755840 468181756 507858176 535064864 585227195 634822720 668831080 936363512 1070129728 1170454390 1269645440 1337662160 1872727024 2140259456 2340908780 2539290880 2675324320 3745454048 4280518912 4681817560 5350648640 7490908096 9363635120 10701297280 14981816192 18727270240 21402594560 29963632384 37454540480 74909080960 149818161920
• Sum of all divisors σ(n): 417079998720
• Sum of proper divisors (its aliquot sum) s(n): 267261836800
• 149818161920 is an abundant number, because the sum of its proper divisors (267261836800) is greater than itself. Its abundance is 117443674880

Bases of 149818161920

• Binary: 10001011100001110110111011101100000000₂
• Hexadecimal: 0x22E1DBBB00
• Base-36: 1WTPV5KW

Squares and roots of 149818161920

• 149818161920 squared (149818161920²) is 22445481641087338086400
• 149818161920 cubed (149818161920³) is 3362740802876810142290058149888000
• The square root of 149818161920 is 387063.5114809971
• The cube root of 149818161920 is 5311.1449578181

Scales and comparisons

• 149,818,161,920 seconds is equal to 4,763 years, 39 weeks, 1 day, 12 hours, 5 minutes, 20 seconds.
• To count from 1 to 149,818,161,920 would take you about nine thousand, five hundred twenty-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 149818161920 cubic inches would be around 442.6 feet tall.

Recreational maths with 149818161920

• 149818161920 backwards is 029161818941
• The number of decimal digits it has is: 12
• The sum of 149818161920's digits is 50
• More coming soon!