15997513728

Names of 15997513728

• Cardinal: 15997513728 can be written as Fifteen billion, nine hundred ninety-seven million, five hundred thirteen thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.5997513728 × 10¹⁰

Factors of 15997513728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 175

Divisors of 15997513728

• Number of divisors d(n): 234
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 64 84 96 98 112 128 147 163 168 192 196 224 256 294 326 336 384 392 448 489 512 588 652 672 768 784 896 978 1024 1141 1176 1304 1344 1536 1568 1792 1956 2048 2282 2352 2608 2688 3072 3136 3423 3584 3912 4096 4564 4704 5216 5376 6144 6272 6846 7168 7824 7987 9128 9408 10432 10752 12288 12544 13692 14336 15648 15974 18256 18816 20864 21504 23961 25088 26569 27384 28672 31296 31948 36512 37632 41728 43008 47922 50176 53138 54768 62592 63896 73024 75264 79707 83456 86016 95844 100352 106276 109536 125184 127792 146048 150528 159414 166912 185983 191688 200704 212552 219072 250368 255584 292096 301056 318828 333824 371966 383376 425104 438144 500736 511168 557949 584192 602112 637656 667648 743932 766752 850208 876288 1001472 1022336 1115898 1168384 1275312 1301881 1487864 1533504 1700416 1752576 2002944 2044672 2231796 2336768 2550624 2603762 2975728 3067008 3400832 3505152 3905643 4089344 4463592 4673536 5101248 5207524 5951456 6134016 6801664 7010304 7811286 8178688 8927184 10202496 10415048 11902912 12268032 13603328 14020608 15622572 16357376 17854368 20404992 20830096 23805824 24536064 27206656 31245144 32714752 35708736 40809984 41660192 47611648 49072128 54413312 62490288 71417472 81619968 83320384 95223296 98144256 108826624 124980576 142834944 163239936 166640768 190446592 249961152 285669888 326479872 333281536 380893184 499922304 571339776 666563072 761786368 999844608 1142679552 1333126144 1999689216 2285359104 2666252288 3999378432 5332504576 7998756864 15997513728
• Sum of all divisors σ(n): 49925160684
• Sum of proper divisors (its aliquot sum) s(n): 33927646956
• 15997513728 is an abundant number, because the sum of its proper divisors (33927646956) is greater than itself. Its abundance is 17930133228

Bases of 15997513728

• Binary: 1110111001100001101011000000000000₂
• Hexadecimal: 0x3B986B000
• Base-36: 7CKI8LC

Squares and roots of 15997513728

• 15997513728 squared (15997513728²) is 255920445477548457984
• 15997513728 cubed (15997513728³) is 4094090839802956972384271204352
• The square root of 15997513728 is 126481.2781719097
• The cube root of 15997513728 is 2519.7115719273

Scales and comparisons

• 15,997,513,728 seconds is equal to 508 years, 34 weeks, 6 days, 9 hours, 48 minutes, 48 seconds.
• To count from 1 to 15,997,513,728 would take you about one thousand and seventeen 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 15997513728 cubic inches would be around 210 feet tall.

Recreational maths with 15997513728

• 15997513728 backwards is 82731579951
• The number of decimal digits it has is: 11
• The sum of 15997513728's digits is 57
• More coming soon!