28738152688

Names of 28738152688

• Cardinal: 28738152688 can be written as Twenty-eight billion, seven hundred thirty-eight million, one hundred fifty-two thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 2.8738152688 × 10¹⁰

Factors of 28738152688

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 579

Divisors of 28738152688

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 38 49 53 56 76 89 98 106 112 133 152 178 196 212 266 304 356 371 392 409 424 532 623 712 742 784 818 848 931 1007 1064 1246 1424 1484 1636 1691 1862 2014 2128 2492 2597 2863 2968 3272 3382 3724 4028 4361 4717 4984 5194 5726 5936 6544 6764 7049 7448 7771 8056 8722 9434 9968 10388 11452 11837 13528 14098 14896 15542 16112 17444 18868 20041 20776 21677 22904 23674 27056 28196 31084 33019 34888 36401 37736 40082 41552 43354 45808 47348 49343 54397 56392 62168 66038 69776 72802 75472 80164 82859 86708 89623 94696 98686 108794 112784 124336 132076 145604 151739 160328 165718 173416 179246 189392 197372 217588 231133 254807 264152 291208 303478 320656 331436 346832 358492 380779 394744 411863 435176 462266 509614 528304 582416 606956 627361 662872 691619 716984 761558 789488 823726 870352 924532 1019228 1062173 1213912 1254722 1325744 1383238 1433968 1523116 1647452 1783649 1849064 1929253 2038456 2124346 2427824 2509444 2766476 2883041 3046232 3294904 3567298 3698128 3858506 4076912 4248692 4391527 4841333 5018888 5532952 5766082 6092464 6589808 7134596 7717012 8497384 8783054 9682666 10037776 11065904 11532164 13504771 14269192 15434024 16994768 17566108 19365332 20181287 23064328 27009542 28538384 30868048 33889331 35132216 36655807 38730664 40362574 46128656 54019084 67778662 70264432 73311614 77461328 80725148 94533397 108038168 135557324 146623228 161450296 189066794 216076336 256590649 271114648 293246456 322900592 378133588 513181298 542229296 586492912 756267176 1026362596 1512534352 1796134543 2052725192 3592269086 4105450384 7184538172 14369076344 28738152688
• Sum of all divisors σ(n): 70418484000
• Sum of proper divisors (its aliquot sum) s(n): 41680331312
• 28738152688 is an abundant number, because the sum of its proper divisors (41680331312) is greater than itself. Its abundance is 12942178624

Bases of 28738152688

• Binary: 11010110000111011010110100011110000₂
• Hexadecimal: 0x6B0ED68F0
• Base-36: D79YCJ4

Squares and roots of 28738152688

• 28738152688 squared (28738152688²) is 825881419918801625344
• 28738152688 cubed (28738152688³) is 23734306347808765671118442524672
• The square root of 28738152688 is 169523.3101611691
• The cube root of 28738152688 is 3063.0419821185

Scales and comparisons

• 28,738,152,688 seconds is equal to 913 years, 40 weeks, 5 days, 12 hours, 11 minutes, 28 seconds.
• To count from 1 to 28,738,152,688 would take you about one thousand, eight hundred twenty-seven 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 28738152688 cubic inches would be around 255.3 feet tall.

Recreational maths with 28738152688

• 28738152688 backwards is 88625183782
• The number of decimal digits it has is: 11
• The sum of 28738152688's digits is 58
• More coming soon!