155105361920

Names of 155105361920

• Cardinal: 155105361920 can be written as One hundred fifty-five billion, one hundred five million, three hundred sixty-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.5510536192 × 10¹¹

Factors of 155105361920

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 27
• Sum of prime factors: 50

Divisors of 155105361920

• Number of divisors d(n): 150
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 43 64 80 86 128 160 172 215 256 320 344 430 512 640 688 860 1024 1280 1376 1720 1849 2048 2560 2752 3440 3698 4096 5120 5504 6880 7396 8192 9245 10240 11008 13760 14792 16384 18490 20480 22016 27520 29584 32768 36980 40960 44032 55040 59168 65536 73960 81920 88064 110080 118336 131072 147920 163840 176128 220160 236672 262144 295840 327680 352256 440320 473344 524288 591680 655360 704512 880640 946688 1048576 1183360 1310720 1409024 1761280 1893376 2097152 2366720 2621440 2818048 3522560 3786752 4194304 4733440 5242880 5636096 7045120 7573504 8388608 9466880 10485760 11272192 14090240 15147008 16777216 18933760 20971520 22544384 28180480 30294016 37867520 41943040 45088768 56360960 60588032 75735040 83886080 90177536 112721920 121176064 151470080 180355072 225443840 242352128 302940160 360710144 450887680 484704256 605880320 721420288 901775360 969408512 1211760640 1803550720 1938817024 2423521280 3607101440 3877634048 4847042560 7755268096 9694085120 15510536192 19388170240 31021072384 38776340480 77552680960 155105361920
• Sum of all divisors σ(n): 381111227298
• Sum of proper divisors (its aliquot sum) s(n): 226005865378
• 155105361920 is an abundant number, because the sum of its proper divisors (226005865378) is greater than itself. Its abundance is 70900503458

Bases of 155105361920

• Binary: 10010000011101000000000000000000000000₂
• Hexadecimal: 0x241D000000
• Base-36: 1Z95Q77K

Squares and roots of 155105361920

• 155105361920 squared (155105361920²) is 24057673296334186086400
• 155105361920 cubed (155105361920³) is 3731474123581033342199700389888000
• The square root of 155105361920 is 393834.1807410829
• The cube root of 155105361920 is 5372.9022213763

Scales and comparisons

• 155,105,361,920 seconds is equal to 4,931 years, 45 weeks, 1 day, 22 hours, 45 minutes, 20 seconds.
• To count from 1 to 155,105,361,920 would take you about nine thousand, eight hundred sixty-three 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 155105361920 cubic inches would be around 447.7 feet tall.

Recreational maths with 155105361920

• 155105361920 backwards is 029163501551
• The number of decimal digits it has is: 12
• The sum of 155105361920's digits is 38
• More coming soon!