85409359840

Names of 85409359840

• Cardinal: 85409359840 can be written as Eighty-five billion, four hundred nine million, three hundred fifty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 8.540935984 × 10¹⁰

Factors of 85409359840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 929

Divisors of 85409359840

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 31 32 35 40 49 56 61 62 70 80 98 112 122 124 140 155 160 196 217 224 244 245 248 280 305 310 343 392 427 434 488 490 496 560 610 620 686 784 823 854 868 976 980 992 1085 1120 1220 1240 1372 1519 1568 1646 1708 1715 1736 1891 1952 1960 2135 2170 2440 2480 2744 2989 3038 3292 3416 3430 3472 3782 3920 4115 4270 4340 4880 4960 5488 5761 5978 6076 6584 6832 6860 6944 7564 7595 7840 8230 8540 8680 9455 9760 10633 10976 11522 11956 12152 13168 13237 13664 13720 14945 15128 15190 16460 17080 17360 18910 20923 21266 23044 23912 24304 25513 26336 26474 27440 28805 29890 30256 30380 32920 34160 34720 37820 40327 41846 42532 46088 47824 48608 50203 51026 52948 53165 54880 57610 59780 60512 60760 65840 66185 68320 75640 80654 83692 85064 92176 92659 95648 100406 102052 104615 105896 106330 115220 119560 121520 127565 131680 132370 151280 161308 167384 170128 178591 184352 185318 200812 201635 204104 209230 211792 212660 230440 239120 243040 251015 255130 264740 282289 302560 322616 334768 340256 351421 357182 370636 401624 403270 408208 418460 423584 425320 460880 463295 478240 502030 510260 529480 564578 645232 648613 669536 702842 714364 741272 803248 806540 816416 836920 850640 892955 921760 926590 1004060 1020520 1058960 1129156 1250137 1290464 1297226 1405684 1411445 1428728 1482544 1556293 1606496 1613080 1673840 1701280 1757105 1785910 1853180 2008120 2041040 2117920 2258312 2459947 2500274 2594452 2811368 2822890 2857456 2965088 3112586 3226160 3243065 3347680 3514210 3571820 3706360 4016240 4082080 4516624 4919894 5000548 5188904 5622736 5645780 5714912 6225172 6250685 6452320 6486130 7028420 7143640 7412720 7781465 8032480 8750959 9033248 9839788 10001096 10377808 10894051 11245472 11291560 12299735 12450344 12501370 12972260 14056840 14287280 14825440 15562930 17219629 17501918 19679576 20002192 20755616 21788102 22583120 24599470 24900688 25002740 25944520 28113680 28574560 31125860 34439258 35003836 39359152 40004384 43576204 43754795 45166240 49198940 49801376 50005480 51889040 54470255 56227360 62251720 68878516 70007672 76258357 78718304 86098145 87152408 87509590 98397880 100010960 103778080 108940510 124503440 137757032 140015344 152516714 172196290 174304816 175019180 196795760 200021920 217881020 249006880 275514064 280030688 305033428 344392580 348609632 350038360 381291785 393591520 435762040 533808499 551028128 610066856 688785160 700076720 762583570 871524080 1067616998 1220133712 1377570320 1400153440 1525167140 1743048160 2135233996 2440267424 2669042495 2755140640 3050334280 4270467992 5338084990 6100668560 8540935984 10676169980 12201337120 17081871968 21352339960 42704679920 85409359840
• Sum of all divisors σ(n): 247184179200
• Sum of proper divisors (its aliquot sum) s(n): 161774819360
• 85409359840 is an abundant number, because the sum of its proper divisors (161774819360) is greater than itself. Its abundance is 76365459520

Bases of 85409359840

• Binary: 1001111100010110010110110011111100000₂
• Hexadecimal: 0x13E2CB67E0
• Base-36: 138IIZTS

Squares and roots of 85409359840

• 85409359840 squared (85409359840²) is 7294758748278604825600
• 85409359840 cubed (85409359840³) is 623040674877715340122830843904000
• The square root of 85409359840 is 292248.7978418389
• The cube root of 85409359840 is 4403.8767458135

Scales and comparisons

• 85,409,359,840 seconds is equal to 2,715 years, 39 weeks, 1 day, 6 hours, 10 minutes, 40 seconds.
• To count from 1 to 85,409,359,840 would take you about five thousand, four hundred thirty-one 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 85409359840 cubic inches would be around 367 feet tall.

Recreational maths with 85409359840

• 85409359840 backwards is 04895390458
• The number of decimal digits it has is: 11
• The sum of 85409359840's digits is 55
• More coming soon!