145121291224

Names of 145121291224

• Cardinal: 145121291224 can be written as One hundred forty-five billion, one hundred twenty-one million, two hundred ninety-one thousand, two hundred twenty-four.

Scientific notation

• Scientific notation: 1.45121291224 × 10¹¹

Factors of 145121291224

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1494

Divisors of 145121291224

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 7 8 13 14 19 26 28 29 38 52 56 58 76 91 104 116 133 152 182 203 232 247 266 331 364 377 406 494 532 551 662 728 754 812 988 1064 1093 1102 1324 1508 1624 1729 1976 2186 2204 2317 2639 2648 3016 3458 3857 4303 4372 4408 4634 5278 6289 6916 7163 7651 7714 8606 8744 9268 9599 10556 12578 13832 14209 14326 15302 15428 17212 18536 19198 20767 21112 25156 28418 28652 30121 30604 30856 31697 34424 38396 41534 44023 50141 50312 56836 57304 60242 61208 63394 67193 76792 81757 83068 88046 99463 100282 113672 120484 124787 126788 134386 145369 163514 166136 176092 182381 198926 200564 221879 240968 249574 253576 268772 269971 290738 327028 352184 361783 364762 397852 401128 412061 443758 499148 537544 539942 572299 581476 602243 654056 723566 729524 795704 824122 873509 887516 998296 1079884 1144598 1162952 1204486 1276667 1447132 1459048 1648244 1747018 1775032 1889797 2159768 2289196 2370953 2408972 2532481 2553334 2884427 2894264 3296488 3494036 3779594 4215701 4578392 4703179 4741906 4817944 5064962 5106668 5768854 6873877 6988072 7559188 7829159 8431402 9406358 9483812 10129924 10213336 10491707 11537708 13747754 15118376 15658318 16596671 16862804 18812716 18967624 20259848 20983414 23075416 27495508 31316636 32922253 33193342 33725608 37625432 41966828 48117139 54804113 54991016 62633272 65844506 66386684 73441949 83933656 89360401 96234278 109608226 131689012 132773368 136392191 146883898 178720802 192468556 199342433 219216452 263378024 272784382 293767796 357441604 384937112 398684866 438432904 545568764 587535592 625522807 714883208 797369732 954745337 1091137528 1251045614 1395397031 1594739464 1909490674 2502091228 2591451629 2790794062 3818981348 5004182456 5182903258 5581588124 7637962696 10365806516 11163176248 18140161403 20731613032 36280322806 72560645612 145121291224
• Sum of all divisors σ(n): 366113664000
• Sum of proper divisors (its aliquot sum) s(n): 220992372776
• 145121291224 is an abundant number, because the sum of its proper divisors (220992372776) is greater than itself. Its abundance is 75871081552

Bases of 145121291224

• Binary: 10000111001001111001110010101111011000₂
• Hexadecimal: 0x21C9E72BD8
• Base-36: 1UO1GWYG

Squares and roots of 145121291224

• 145121291224 squared (145121291224²) is 21060189166521019418176
• 145121291224 cubed (145121291224³) is 3056281845267226689902478334887424
• The square root of 145121291224 is 380947.8851811623
• The cube root of 145121291224 is 5255.0523242433

Scales and comparisons

• 145,121,291,224 seconds is equal to 4,614 years, 21 weeks, 1 day, 13 hours, 47 minutes, 4 seconds.
• To count from 1 to 145,121,291,224 would take you about nine thousand, two hundred twenty-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 145121291224 cubic inches would be around 437.9 feet tall.

Recreational maths with 145121291224

• 145121291224 backwards is 422192121541
• The number of decimal digits it has is: 12
• The sum of 145121291224's digits is 34
• More coming soon!