28161429968

Names of 28161429968

• Cardinal: 28161429968 can be written as Twenty-eight billion, one hundred sixty-one million, four hundred twenty-nine thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 2.8161429968 × 10¹⁰

Factors of 28161429968

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 507

Divisors of 28161429968

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 7 8 14 16 17 28 29 34 43 56 58 68 86 112 116 119 136 172 203 232 238 272 301 344 406 409 464 476 493 602 688 731 812 818 841 952 986 1204 1247 1462 1624 1636 1682 1904 1972 2408 2494 2863 2924 3248 3272 3364 3451 3944 4816 4988 5117 5726 5848 5887 6544 6728 6902 6953 7888 8729 9976 10234 11452 11696 11774 11861 13456 13804 13906 14297 17458 17587 19952 20468 21199 22904 23548 23722 27608 27812 28594 34916 35174 36163 40936 42398 45808 47096 47444 48671 55216 55624 57188 69832 70348 72326 81872 83027 84796 94192 94888 97342 100079 111248 114376 123109 139664 140696 144652 148393 166054 169592 189776 194684 200158 201637 228752 246218 253141 281392 289304 296786 298979 332108 339184 343969 389368 400316 403274 492436 506282 510023 578608 593572 597958 614771 664216 687938 778736 800632 806548 984872 1012564 1020046 1187144 1195916 1229542 1328432 1375876 1411459 1601264 1613096 1969744 2025128 2040092 2092853 2374288 2391832 2407783 2459084 2751752 2822918 3226192 3570161 4050256 4080184 4185706 4303397 4783664 4815566 4918168 5503504 5645836 5847473 7140322 8160368 8371412 8606794 8670391 9631132 9836336 11291672 11694946 14280644 14790667 16742824 17213588 17340782 19262264 22583344 23389892 28561288 29581334 33485648 34427176 34681564 38524528 40932311 46779784 57122576 59162668 60692737 68854352 69363128 81864622 93559568 103534669 118325336 121385474 138726256 163729244 207069338 236650672 242770948 251441339 327458488 414138676 485541896 502882678 654916976 828277352 971083792 1005765356 1656554704 1760089373 2011530712 3520178746 4023061424 7040357492 14080714984 28161429968
• Sum of all divisors σ(n): 70142117760
• Sum of proper divisors (its aliquot sum) s(n): 41980687792
• 28161429968 is an abundant number, because the sum of its proper divisors (41980687792) is greater than itself. Its abundance is 13819257824

Bases of 28161429968

• Binary: 11010001110100011010101000111010000₂
• Hexadecimal: 0x68E8D51D0
• Base-36: CXQL6FK

Squares and roots of 28161429968

• 28161429968 squared (28161429968²) is 793066137842568481024
• 28161429968 cubed (28161429968³) is 22333876500845726887601512927232
• The square root of 28161429968 is 167813.6763437355
• The cube root of 28161429968 is 3042.4134648997

Scales and comparisons

• 28,161,429,968 seconds is equal to 895 years, 23 weeks, 1 day, 11 hours, 26 minutes, 8 seconds.
• To count from 1 to 28,161,429,968 would take you about one thousand, seven hundred ninety 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 28161429968 cubic inches would be around 253.5 feet tall.

Recreational maths with 28161429968

• 28161429968 backwards is 86992416182
• 28161429968 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28161429968's digits is 56
• More coming soon!