155309040640

Names of 155309040640

• Cardinal: 155309040640 can be written as One hundred fifty-five billion, three hundred nine million, forty thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.5530904064 × 10¹¹

Factors of 155309040640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 4799

Divisors of 155309040640

• Number of divisors d(n): 352
• Complete list of divisors:
  1 2 4 5 8 10 13 16 17 20 26 29 32 34 40 52 58 64 65 68 80 85 104 116 128 130 136 145 160 170 208 221 232 256 260 272 290 320 340 377 416 442 464 493 512 520 544 580 640 680 754 832 884 928 986 1024 1040 1088 1105 1160 1280 1360 1508 1664 1768 1856 1885 1972 2080 2176 2210 2320 2465 2560 2720 3016 3328 3536 3712 3770 3944 4160 4352 4420 4640 4733 4930 5120 5440 6032 6409 6656 7072 7424 7540 7888 8320 8704 8840 9280 9466 9860 10880 12064 12818 13312 14144 14848 15080 15776 16640 17408 17680 18560 18932 19720 21760 23665 24128 25636 28288 29696 30160 31552 32045 33280 35360 37120 37864 39440 43520 47330 48256 51272 56576 60320 61529 63104 64090 66560 70720 74240 75728 78880 80461 87040 94660 96512 102544 113152 120640 123058 126208 128180 137257 141440 148480 151456 157760 160922 189320 193024 205088 226304 241280 246116 252416 256360 274514 282880 302912 307645 315520 321844 378640 386048 402305 410176 482560 492232 504832 512720 549028 565760 605824 615290 631040 643688 686285 757280 804610 820352 965120 984464 1025440 1045993 1098056 1131520 1211648 1230580 1262080 1287376 1372570 1514560 1609220 1640704 1784341 1930240 1968928 2050880 2091986 2196112 2333369 2423296 2461160 2524160 2574752 2745140 3029120 3218440 3281408 3568682 3937856 4101760 4183972 4392224 4666738 4846592 4922320 5149504 5229965 5490280 6058240 6436880 6562816 7137364 7875712 8203520 8367944 8784448 8921705 9333476 9844640 10299008 10459930 10980560 11666845 12116480 12873760 14274728 15751424 16407040 16735888 17568896 17843410 18666952 19689280 20598016 20919860 21961120 23333690 24232960 25747520 28549456 30333797 31502848 32814080 33471776 35137792 35686820 37333904 39378560 41196032 41839720 43922240 46667380 51495040 57098912 60667594 63005696 66943552 70275584 71373640 74667808 78757120 82392064 83679440 87844480 93334760 102990080 114197824 121335188 133887104 140551168 142747280 149335616 151668985 157514240 167358880 175688960 186669520 205980160 228395648 242670376 267774208 285494560 298671232 303337970 315028480 334717760 351377920 373339040 411960320 456791296 485340752 535548416 570989120 597342464 606675940 669435520 702755840 746678080 913582592 970681504 1071096832 1141978240 1194684928 1213351880 1338871040 1493356160 1827165184 1941363008 2283956480 2389369856 2426703760 2677742080 2986712320 3882726016 4567912960 4853407520 5355484160 5973424640 7765452032 9135825920 9706815040 11946849280 15530904064 19413630080 31061808128 38827260160 77654520320 155309040640
• Sum of all divisors σ(n): 439560989280
• Sum of proper divisors (its aliquot sum) s(n): 284251948640
• 155309040640 is an abundant number, because the sum of its proper divisors (284251948640) is greater than itself. Its abundance is 128942908000

Bases of 155309040640

• Binary: 10010000101001001000111110010000000000₂
• Hexadecimal: 0x242923E400
• Base-36: 1ZCIZQPS

Squares and roots of 155309040640

• 155309040640 squared (155309040640²) is 24120898104517171609600
• 155309040640 cubed (155309040640³) is 3746193543987756373093220614144000
• The square root of 155309040640 is 394092.6802669647
• The cube root of 155309040640 is 5375.2530259399

Scales and comparisons

• 155,309,040,640 seconds is equal to 4,938 years, 18 weeks, 8 hours, 10 minutes, 40 seconds.
• To count from 1 to 155,309,040,640 would take you about nine thousand, eight hundred seventy-six 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 155309040640 cubic inches would be around 447.9 feet tall.

Recreational maths with 155309040640

• 155309040640 backwards is 046040903551
• The number of decimal digits it has is: 12
• The sum of 155309040640's digits is 37
• More coming soon!