28121433340

Names of 28121433340

• Cardinal: 28121433340 can be written as Twenty-eight billion, one hundred twenty-one million, four hundred thirty-three thousand, three hundred forty.

Scientific notation

• Scientific notation: 2.812143334 × 10¹⁰

Factors of 28121433340

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 776

Divisors of 28121433340

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 7 10 11 13 14 20 22 26 28 35 44 52 55 65 70 77 91 110 121 130 140 143 154 182 220 242 260 277 286 308 364 385 455 461 484 554 572 605 715 770 847 910 922 1001 1108 1210 1385 1430 1540 1573 1694 1820 1844 1939 2002 2305 2420 2770 2860 3047 3146 3227 3388 3601 3878 4004 4235 4610 5005 5071 5540 5993 6094 6292 6454 7202 7756 7865 8470 9220 9695 10010 10142 11011 11986 12188 12908 14404 15235 15730 16135 16940 18005 19390 20020 20284 21329 22022 23972 25207 25355 29965 30470 31460 32270 33517 35497 36010 38780 39611 41951 42658 44044 50414 50710 55055 55781 59930 60940 64540 65923 67034 70994 72020 79222 83902 85316 100828 101420 106645 110110 111562 119860 126035 127697 131846 134068 141988 158444 167585 167804 177485 198055 209755 213290 220220 223124 234619 252070 255394 263692 277277 278905 329615 335170 354970 390467 396110 419510 426580 435721 461461 469238 504140 510788 554554 557810 638485 659230 670340 709940 725153 780934 792220 839020 871442 893879 922922 938476 1109108 1115620 1173095 1276970 1318460 1386385 1404667 1450306 1561868 1660061 1742884 1787758 1845844 1952335 2178605 2307305 2346190 2553940 2772770 2809334 2900612 3050047 3320122 3575516 3625765 3904670 4357210 4469395 4614610 4692380 5076071 5545540 5618668 6100094 6640244 7023335 7251530 7809340 8300305 8714420 8938790 9229220 9832669 10152142 11620427 12200188 14046670 14503060 15250235 15451337 16600610 17877580 18260671 19665338 20304284 23240854 25380355 28093340 30500470 30902674 33201220 36521342 39330676 46481708 49163345 50760710 58102135 61000940 61805348 73042684 77256685 91303355 98326690 101521420 108159359 116204270 127824697 154513370 182606710 196653380 200867381 216318718 232408540 255649394 309026740 365213420 401734762 432637436 511298788 540796795 639123485 803469524 1004336905 1081593590 1278246970 1406071667 2008673810 2163187180 2556493940 2812143334 4017347620 5624286668 7030358335 14060716670 28121433340
• Sum of all divisors σ(n): 80353671552
• Sum of proper divisors (its aliquot sum) s(n): 52232238212
• 28121433340 is an abundant number, because the sum of its proper divisors (52232238212) is greater than itself. Its abundance is 24110804872

Bases of 28121433340

• Binary: 11010001100001010110000010011111100₂
• Hexadecimal: 0x68C2B04FC
• Base-36: CX2RWU4

Squares and roots of 28121433340

• 28121433340 squared (28121433340²) is 790815013096063555600
• 28121433340 cubed (28121433340³) is 22238851675052178295208783704000
• The square root of 28121433340 is 167694.4642497181
• The cube root of 28121433340 is 3040.9724403725

Scales and comparisons

• 28,121,433,340 seconds is equal to 894 years, 9 weeks, 13 hours, 15 minutes, 40 seconds.
• To count from 1 to 28,121,433,340 would take you about one thousand, seven hundred eighty-eight 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 28121433340 cubic inches would be around 253.4 feet tall.

Recreational maths with 28121433340

• 28121433340 backwards is 04333412182
• The number of decimal digits it has is: 11
• The sum of 28121433340's digits is 31
• More coming soon!