81352328400

Names of 81352328400

• Cardinal: 81352328400 can be written as Eighty-one billion, three hundred fifty-two million, three hundred twenty-eight thousand, four hundred.

Scientific notation

• Scientific notation: 8.13523284 × 10¹⁰

Factors of 81352328400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 21978

Divisors of 81352328400

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 25 27 28 30 35 36 40 42 45 48 49 50 54 56 60 63 70 72 75 80 84 90 98 100 105 108 112 120 126 135 140 144 147 150 168 175 180 189 196 200 210 216 225 240 245 252 270 280 294 300 315 336 343 350 360 378 392 400 420 432 441 450 490 504 525 540 560 588 600 630 675 686 700 720 735 756 784 840 882 900 945 980 1008 1029 1050 1080 1176 1200 1225 1260 1323 1350 1372 1400 1470 1512 1575 1680 1715 1764 1800 1890 1960 2058 2100 2160 2205 2352 2450 2520 2646 2700 2744 2800 2940 3024 3087 3150 3430 3528 3600 3675 3780 3920 4116 4200 4410 4725 4900 5040 5145 5292 5400 5488 5880 6174 6300 6615 6860 7056 7350 7560 8232 8400 8575 8820 9261 9450 9800 10290 10584 10800 11025 11760 12348 12600 13230 13720 14700 15120 15435 16464 17150 17640 18522 18900 19600 20580 21168 21961 22050 24696 25200 25725 26460 27440 29400 30870 33075 34300 35280 37044 37800 41160 43922 44100 46305 49392 51450 52920 58800 61740 65883 66150 68600 74088 75600 77175 82320 87844 88200 92610 102900 105840 109805 123480 131766 132300 137200 148176 153727 154350 175688 176400 185220 197649 205800 219610 231525 246960 263532 264600 307454 308700 329415 351376 370440 395298 411600 439220 461181 463050 527064 529200 549025 592947 614908 617400 658830 740880 768635 790596 878440 922362 926100 988245 1054128 1076089 1098050 1185894 1229816 1234800 1317660 1383543 1537270 1581192 1647075 1756880 1844724 1852200 1976490 2152178 2196100 2305905 2371788 2459632 2635320 2767086 2964735 3074540 3162384 3228267 3294150 3689448 3704400 3843175 3952980 4150629 4304356 4392200 4611810 4743576 4941225 5270640 5380445 5534172 5929470 6149080 6456534 6588300 6917715 7378896 7532623 7686350 7905960 8301258 8608712 8784400 9223620 9487152 9684801 9882450 10760890 11068344 11529525 11858940 12298160 12913068 13176600 13835430 14823675 15065246 15372700 15811920 16141335 16602516 17217424 18447240 19369602 19764900 20753145 21521780 22136688 22597869 23059050 23717880 25826136 26353200 26902225 27670860 29054403 29647350 30130492 30745400 32282670 33205032 34588575 36894480 37663115 38739204 39529800 41506290 43043560 45195738 46118100 47435760 48424005 51652272 53804450 55341720 58108806 59294700 60260984 61490800 64565340 66410064 67793607 69177150 75326230 77478408 79059600 80706675 83012580 86087120 90391476 92236200 96848010 103765725 107608900 110683440 112989345 116217612 118589400 120521968 129130680 135587214 138354300 145272015 150652460 154956816 161413350 166025160 180782952 184472400 188315575 193696020 203380821 207531450 215217800 225978690 232435224 237178800 242120025 258261360 271174428 276708600 290544030 301304920 322826700 332050320 338968035 361565904 376631150 387392040 406761642 415062900 430435600 451957380 464870448 484240050 542348856 553417200 564946725 581088060 602609840 645653400 677936070 726360075 753262300 774784080 813523284 830125800 903914760 968480100 1016904105 1084697712 1129893450 1162176120 1291306800 1355872140 1452720150 1506524600 1627046568 1660251600 1694840175 1807829520 1936960200 2033808210 2259786900 2324352240 2711744280 2905440300 3013049200 3254093136 3389680350 3873920400 4067616420 4519573800 5084520525 5423488560 5810880600 6779360700 8135232840 9039147600 10169041050 11621761200 13558721400 16270465680 20338082100 27117442800 40676164200 81352328400
• Sum of all divisors σ(n): 337687712000
• Sum of proper divisors (its aliquot sum) s(n): 256335383600
• 81352328400 is an abundant number, because the sum of its proper divisors (256335383600) is greater than itself. Its abundance is 174983055200

Bases of 81352328400

• Binary: 1001011110000111110100000010011010000₂
• Hexadecimal: 0x12F0FA04D0
• Base-36: 11DF2QC0

Squares and roots of 81352328400

• 81352328400 squared (81352328400²) is 6618201336101446560000
• 81352328400 cubed (81352328400³) is 538406088511843656264170304000000
• The square root of 81352328400 is 285223.2956825231
• The cube root of 81352328400 is 4333.0130379961

Scales and comparisons

• 81,352,328,400 seconds is equal to 2,586 years, 39 weeks, 21 hours.
• To count from 1 to 81,352,328,400 would take you about five thousand, one hundred seventy-three 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 81352328400 cubic inches would be around 361.1 feet tall.

Recreational maths with 81352328400

• 81352328400 backwards is 00482325318
• 81352328400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 81352328400's digits is 36
• More coming soon!