31728228100920

Names of 31728228100920

• Cardinal: 31728228100920 can be written as Thirty-one trillion, seven hundred twenty-eight billion, two hundred twenty-eight million, one hundred thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 3.172822810092 × 10¹³

Factors of 31728228100920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2297619

Divisors of 31728228100920

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 30 36 39 40 45 52 60 65 72 78 90 104 117 120 130 156 169 180 195 227 234 260 312 338 360 390 454 468 507 520 585 676 681 780 845 908 936 1014 1135 1170 1352 1362 1521 1560 1690 1816 2028 2043 2270 2340 2535 2724 2951 3042 3380 3405 4056 4086 4540 4680 5070 5448 5902 6084 6760 6810 7605 8172 8853 9080 10140 10215 11804 12168 13620 14755 15210 16344 17706 20280 20430 23608 26559 27240 29510 30420 35412 38363 40860 44265 53118 59020 60840 70824 76726 81720 88530 106236 115089 118040 132795 153452 177060 191815 212472 230178 265590 306904 345267 354120 383630 460356 531180 575445 690534 767260 920712 1062360 1150890 1381068 1534520 1726335 2297369 2301780 2762136 3452670 4594738 4603560 6892107 6905340 9189476 11486845 13784214 13810680 18378952 20676321 22973690 27568428 29865797 34460535 41352642 45947380 55136856 59731594 68921070 82705284 89597391 91894760 103381605 119463188 137842140 149328985 165410568 179194782 206763210 238926376 268792173 275684280 298657970 358389564 388255361 413526420 447986955 521502763 537584346 597315940 716779128 776510722 827052840 895973910 1043005526 1075168692 1164766083 1194631880 1343960865 1553021444 1564508289 1791947820 1941276805 2086011052 2150337384 2329532166 2607513815 2687921730 3106042888 3129016578 3494298249 3583895640 3882553610 4172022104 4659064332 4693524867 5215027630 5375843460 5823830415 6258033156 6779535919 6988596498 7765107220 7822541445 9318128664 9387049734 10430055260 10751686920 11647660830 12516066312 13559071838 13977192996 15530214440 15645082890 17471491245 18774099468 20338607757 20860110520 23295321660 23467624335 27118143676 27954385992 31290165780 33897679595 34942982490 37548198936 40677215514 46590643320 46935248670 54236287352 61015823271 62580331560 67795359190 69885964980 81354431028 88133966947 93870497340 101693038785 122031646542 135590718380 139771929960 162708862056 176267933894 187740994680 203386077570 244063293084 264401900841 271181436760 305079116355 352535867788 406772155140 440669834735 488126586168 528803801682 610158232710 705071735576 793205702523 813544310280 881339669470 1057607603364 1220316465420 1322009504205 1586411405046 1762679338940 2115215206728 2440632930840 2644019008410 3172822810092 3525358677880 3966028512615 5288038016820 6345645620184 7932057025230 10576076033640 15864114050460 31728228100920
• Sum of all divisors σ(n): 112150895079600
• Sum of proper divisors (its aliquot sum) s(n): 80422666978680
• 31728228100920 is an abundant number, because the sum of its proper divisors (80422666978680) is greater than itself. Its abundance is 48694438877760

Bases of 31728228100920

• Binary: 111001101101101001101110000111110101100111000₂
• Hexadecimal: 0x1CDB4DC3EB38
• Base-36: B8VQVT9A0

Squares and roots of 31728228100920

• 31728228100920 squared (31728228100920²) is 1006680458424009549704846400
• 31728228100920 cubed (31728228100920³) is 31940187209615687531363743040392298688000
• The square root of 31728228100920 is 5632781.5598441237
• The cube root of 31728228100920 is 31657.8881018897

Scales and comparisons

• 31,728,228,100,920 seconds is equal to 1,008,859 years, 26 weeks, 4 days, 6 hours, 42 minutes.
• To count from 1 to 31,728,228,100,920 would take you about two million, five hundred twenty-two thousand, one hundred forty-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 31728228100920 cubic inches would be around 2638.2 feet tall.

Recreational maths with 31728228100920

• 31728228100920 backwards is 02900182282713
• 31728228100920 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 31728228100920's digits is 45
• More coming soon!