155490643425

Names of 155490643425

• Cardinal: 155490643425 can be written as One hundred fifty-five billion, four hundred ninety million, six hundred forty-three thousand, four hundred twenty-five.

Scientific notation

• Scientific notation: 1.55490643425 × 10¹¹

Factors of 155490643425

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 292

Divisors of 155490643425

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 5 13 15 19 25 29 39 43 53 57 65 75 87 95 127 129 145 159 195 215 247 265 285 325 377 381 435 475 551 559 635 645 689 725 741 795 817 975 1007 1075 1131 1235 1247 1325 1425 1537 1651 1653 1677 1885 1905 2067 2175 2279 2413 2451 2755 2795 3021 3175 3225 3445 3683 3705 3741 3975 4085 4611 4953 5035 5461 5655 6175 6235 6731 6837 7163 7239 7685 8255 8265 8385 9425 9525 10335 10621 11049 11395 12065 12255 13091 13775 13975 15105 16211 16383 17225 18415 18525 18705 19981 20193 20425 21489 23055 23693 24765 25175 27305 28275 29203 29627 31175 31369 31863 33655 34185 35815 36195 38425 39273 41275 41325 41925 43301 47879 48633 51675 53105 55245 56975 59943 60325 61275 65455 66091 69977 70993 71079 75525 81055 81915 87503 87609 88881 92075 93525 94107 99905 100965 103759 107445 115275 118465 123825 127889 129903 136525 143637 146015 148135 156845 158369 159315 168275 170925 179075 180975 195199 196365 198273 209931 212979 216505 239395 243165 262509 265525 276225 289433 299715 308009 311277 327275 330455 349885 354965 355395 379639 383667 405275 409575 437515 438045 444405 470535 475107 499525 504825 518795 537225 562913 585597 592325 639445 649515 718185 730075 740675 784225 791845 796575 859183 868299 909701 924027 975995 981825 991365 1049655 1064895 1082525 1138917 1196975 1215825 1255729 1312545 1348867 1447165 1498575 1540045 1556385 1652275 1662557 1688739 1749425 1774825 1776975 1898195 1918335 2058797 2187575 2190225 2222025 2352675 2375535 2537587 2577549 2593975 2729103 2814565 2927985 3009011 3197225 3247575 3590925 3708781 3762629 3767187 3959225 4046601 4295915 4341495 4548505 4620135 4879975 4956825 4987671 5248275 5324475 5499227 5694585 6176391 6278645 6562725 6744335 7235825 7612761 7700225 7781925 8312785 8393557 8443695 9027033 9490975 9591675 10293985 11126343 11287887 11877675 12687935 12887745 13645515 14072825 14639925 15045055 16324477 16497681 18543905 18813145 18835935 20233005 21479575 21707475 22742525 23100675 24938355 25180671 27496135 28472925 30881955 31393225 33721675 38063805 39117143 41563925 41967785 42218475 45135165 48214153 48973431 51469925 55631715 56439435 63439675 64438725 68227575 71489951 75225275 81622385 82488405 92719525 94065725 94179675 101165025 109116241 117351429 124691775 125903355 137480675 144642459 154409775 159477583 190319025 195585715 209838925 214469853 225675825 241070765 244867155 278158575 282197175 327348723 357449755 408111925 412442025 478432749 545581205 586757145 629516775 723212295 797387915 977928575 1072349265 1205353825 1224335775 1636743615 1787248775 2073208579 2392163745 2727906025 2933785725 3616061475 3986939575 5361746325 6219625737 8183718075 10366042895 11960818725 31098128685 51830214475 155490643425
• Sum of all divisors σ(n): 316779724800
• Sum of proper divisors (its aliquot sum) s(n): 161289081375
• 155490643425 is an abundant number, because the sum of its proper divisors (161289081375) is greater than itself. Its abundance is 5798437950

Bases of 155490643425

• Binary: 10010000110011111101101110110111100001₂
• Hexadecimal: 0x2433F6EDE1
• Base-36: 1ZFJ44BL

Squares and roots of 155490643425

• 155490643425 squared (155490643425²) is 24177340192720495730625
• 155490643425 cubed (155490643425³) is 3759350182871223382339846727390625
• The square root of 155490643425 is 394323.0191416677
• The cube root of 155490643425 is 5377.3473034477

Scales and comparisons

• 155,490,643,425 seconds is equal to 4,944 years, 6 weeks, 2 days, 5 hours, 23 minutes, 45 seconds.
• To count from 1 to 155,490,643,425 would take you about nine thousand, eight hundred eighty-eight 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 155490643425 cubic inches would be around 448.1 feet tall.

Recreational maths with 155490643425

• 155490643425 backwards is 524346094551
• The number of decimal digits it has is: 12
• The sum of 155490643425's digits is 48
• More coming soon!