155209724928

Names of 155209724928

• Cardinal: 155209724928 can be written as One hundred fifty-five billion, two hundred nine million, seven hundred twenty-four thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 1.55209724928 × 10¹¹

Factors of 155209724928

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 1868

Divisors of 155209724928

• Number of divisors d(n): 264
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 53 64 72 96 106 128 144 159 192 197 212 256 288 318 384 394 424 477 512 576 591 636 768 788 848 954 1024 1152 1182 1272 1536 1576 1613 1696 1773 1908 2304 2364 2544 3072 3152 3226 3392 3546 3816 4608 4728 4839 5088 6304 6452 6784 7092 7632 9216 9456 9678 10176 10441 12608 12904 13568 14184 14517 15264 18912 19356 20352 20882 25216 25808 27136 28368 29034 30528 31323 37824 38712 40704 41764 50432 51616 54272 56736 58068 61056 62646 75648 77424 81408 83528 85489 93969 100864 103232 113472 116136 122112 125292 151296 154848 162816 167056 170978 187938 201728 206464 226944 232272 244224 250584 256467 302592 309696 317761 334112 341956 375876 412928 453888 464544 488448 501168 512934 605184 619392 635522 668224 683912 751752 769401 825856 907776 929088 953283 1002336 1025868 1238784 1271044 1336448 1367824 1503504 1538802 1651712 1815552 1858176 1906566 2004672 2051736 2477568 2542088 2672896 2735648 2859849 3007008 3077604 3716352 3813132 4009344 4103472 4955136 5084176 5345792 5471296 5719698 6014016 6155208 7432704 7626264 8018688 8206944 10168352 10691584 10942592 11439396 12028032 12310416 14865408 15252528 16037376 16413888 16841333 20336704 21885184 22878792 24056064 24620832 30505056 32074752 32827776 33682666 40673408 43770368 45757584 48112128 49241664 50523999 61010112 65655552 67365332 81346816 87540736 91515168 96224256 98483328 101047998 122020224 131311104 134730664 151571997 162693632 183030336 196966656 202095996 244040448 262622208 269461328 303143994 325387264 366060672 393933312 404191992 488080896 538922656 606287988 732121344 787866624 808383984 976161792 1077845312 1212575976 1464242688 1616767968 2155690624 2425151952 2928485376 3233535936 4311381248 4850303904 6467071872 8622762496 9700607808 12934143744 17245524992 19401215616 25868287488 38802431232 51736574976 77604862464 155209724928
• Sum of all divisors σ(n): 459223046568
• Sum of proper divisors (its aliquot sum) s(n): 304013321640
• 155209724928 is an abundant number, because the sum of its proper divisors (304013321640) is greater than itself. Its abundance is 148803596712

Bases of 155209724928

• Binary: 10010000100011001110000111010000000000₂
• Hexadecimal: 0x2423387400
• Base-36: 1ZAVV280

Squares and roots of 155209724928

• 155209724928 squared (155209724928²) is 24090058712225424605184
• 155209724928 cubed (155209724928³) is 3739011386223878063698611642826752
• The square root of 155209724928 is 393966.6545889385
• The cube root of 155209724928 is 5374.1070078393

Scales and comparisons

• 155,209,724,928 seconds is equal to 4,935 years, 9 weeks, 5 days, 20 hours, 28 minutes, 48 seconds.
• To count from 1 to 155,209,724,928 would take you about nine thousand, eight hundred seventy 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 155209724928 cubic inches would be around 447.8 feet tall.

Recreational maths with 155209724928

• 155209724928 backwards is 829427902551
• The number of decimal digits it has is: 12
• The sum of 155209724928's digits is 54
• More coming soon!