1313137728

Names of 1313137728

• Cardinal: 1313137728 can be written as One billion, three hundred thirteen million, one hundred thirty-seven thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.313137728 × 10⁹

Factors of 1313137728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 373

Divisors of 1313137728

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 19 21 24 28 32 36 38 42 48 56 57 61 63 64 72 76 84 96 112 114 122 126 133 144 152 168 171 183 192 224 228 244 252 266 281 288 304 336 342 366 399 427 448 456 488 504 532 549 562 576 608 672 684 732 798 843 854 912 976 1008 1064 1098 1124 1159 1197 1216 1281 1344 1368 1464 1596 1686 1708 1824 1952 1967 2016 2128 2196 2248 2318 2394 2529 2562 2736 2928 3192 3372 3416 3477 3648 3843 3904 3934 4032 4256 4392 4496 4636 4788 5058 5124 5339 5472 5856 5901 6384 6744 6832 6954 7686 7868 8113 8512 8784 8992 9272 9576 10116 10248 10431 10678 10944 11712 11802 12768 13488 13664 13908 15372 15736 16017 16226 17141 17568 17703 17984 18544 19152 20232 20496 20862 21356 23604 24339 25536 26976 27328 27816 30744 31472 32034 32452 34282 35136 35406 37088 37373 38304 40464 40992 41724 42712 47208 48051 48678 51423 53952 55632 61488 62944 64068 64904 68564 70812 73017 74176 74746 76608 80928 81984 83448 85424 94416 96102 97356 102846 111264 112119 119987 122976 125888 128136 129808 137128 141624 146034 149492 154269 161856 166896 170848 188832 192204 194712 205692 222528 224238 239974 245952 256272 259616 274256 283248 292068 298984 308538 325679 333792 336357 341696 359961 377664 384408 389424 411384 448476 479948 512544 519232 548512 566496 584136 597968 617076 651358 667584 672714 719922 768816 778848 822768 896952 959896 977037 1025088 1079883 1097024 1132992 1168272 1195936 1234152 1302716 1345428 1439844 1537632 1557696 1645536 1793904 1919792 1954074 2159766 2279753 2336544 2391872 2468304 2605432 2690856 2879688 2931111 3075264 3291072 3587808 3839584 3908148 4319532 4559506 4673088 4936608 5210864 5381712 5759376 5862222 6839259 7175616 7679168 7816296 8639064 9119012 9873216 10421728 10763424 11518752 11724444 13678518 15632592 17278128 18238024 20517777 20843456 21526848 23037504 23448888 27357036 31265184 34556256 36476048 41035554 46897776 54714072 62530368 69112512 72952096 82071108 93795552 109428144 145904192 164142216 187591104 218856288 328284432 437712576 656568864 1313137728
• Sum of all divisors σ(n): 4618573440
• Sum of proper divisors (its aliquot sum) s(n): 3305435712
• 1313137728 is an abundant number, because the sum of its proper divisors (3305435712) is greater than itself. Its abundance is 1992297984

Bases of 1313137728

• Binary: 1001110010001001110010001000000₂
• Hexadecimal: 0x4E44E440
• Base-36: LPT3K0

Squares and roots of 1313137728

• 1313137728 squared (1313137728²) is 1724330692697001984
• 1313137728 cubed (1313137728³) is 2264283688128807377681252352
• The square root of 1313137728 is 36237.2422791801
• The cube root of 1313137728 is 1095.0570859085

Scales and comparisons

• 1,313,137,728 seconds is equal to 41 years, 39 weeks, 1 day, 8 hours, 28 minutes, 48 seconds.
• To count from 1 to 1,313,137,728 would take you about eighty-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 1313137728 cubic inches would be around 91.3 feet tall.

Recreational maths with 1313137728

• 1313137728 backwards is 8277313131
• 1313137728 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1313137728's digits is 36
• More coming soon!