159987406978728

Names of 159987406978728

• Cardinal: 159987406978728 can be written as One hundred fifty-nine trillion, nine hundred eighty-seven billion, four hundred six million, nine hundred seventy-eight thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.59987406978728 × 10¹⁴

Factors of 159987406978728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 543861

Divisors of 159987406978728

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 31 36 42 56 62 63 72 84 93 124 126 168 186 217 248 252 279 372 434 504 558 651 744 868 1116 1302 1736 1953 2232 2604 3906 5208 7812 15624 19531 39062 58593 78124 117186 136717 156248 175779 234372 273434 351558 410151 468744 524287 546868 605461 703116 820302 1048574 1093736 1210922 1230453 1406232 1572861 1640604 1816383 2097148 2421844 2460906 3145722 3281208 3632766 3670009 4194296 4238227 4718583 4843688 4921812 5449149 6291444 7265532 7340018 8476454 9437166 9843624 10898298 11010027 12582888 12714681 14531064 14680036 16252897 16952908 18874332 21796596 22020054 25429362 29360072 32505794 33030081 33905816 37748664 38144043 43593192 44040108 48758691 50858724 65011588 66060162 76288086 88080216 97517382 101717448 113770279 130023176 132120324 146276073 152576172 195034764 227540558 264240648 292552146 305152344 341310837 390069528 455081116 585104292 682621674 910162232 1023932511 1170208584 1365243348 2047865022 2730486696 4095730044 8191460088 10239849397 20479698794 30719548191 40959397588 61439096382 71678945779 81918795176 92158644573 122878192764 143357891558 184317289146 215036837337 245756385528 286715783116 317435331307 368634578292 430073674674 573431566232 634870662614 645110512011 737269156584 860147349348 952305993921 1269741325228 1290221024022 1720294698696 1904611987842 2222047319149 2539482650456 2580442048044 2856917981763 3809223975684 4444094638298 5160884096088 5713835963526 6666141957447 7618447951368 8888189276596 11427671927052 13332283914894 17776378553192 19998425872341 22855343854104 26664567829788 39996851744682 53329135659576 79993703489364 159987406978728
• Sum of all divisors σ(n): 511200429342720
• Sum of proper divisors (its aliquot sum) s(n): 351213022363992
• 159987406978728 is an abundant number, because the sum of its proper divisors (351213022363992) is greater than itself. Its abundance is 191225615385264

Bases of 159987406978728

• Binary: 100100011000000111111000100011111011111010101000₂
• Hexadecimal: 0x9181F88FBEA8
• Base-36: 1KPL77D220

Squares and roots of 159987406978728

• 159987406978728 squared (159987406978728²) is 25595970391777144757044497984
• 159987406978728 cubed (159987406978728³) is 4095032932084722029369310792805036926884352
• The square root of 159987406978728 is 12648612.8480054285
• The cube root of 159987406978728 is 54286.9280145803

Scales and comparisons

• 159,987,406,978,728 seconds is equal to 5,087,104 years, 34 weeks, 5 days, 6 hours, 58 minutes, 48 seconds.
• To count from 1 to 159,987,406,978,728 would take you about twelve million, seven hundred seventeen thousand, seven hundred sixty-one 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 159987406978728 cubic inches would be around 4523.9 feet tall.

Recreational maths with 159987406978728

• 159987406978728 backwards is 827879604789951
• The number of decimal digits it has is: 15
• The sum of 159987406978728's digits is 90
• More coming soon!