642123495788832

Names of 642123495788832

• Cardinal: 642123495788832 can be written as Six hundred forty-two trillion, one hundred twenty-three billion, four hundred ninety-five million, seven hundred eighty-eight thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 6.42123495788832 × 10¹⁴

Factors of 642123495788832

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 64949

Divisors of 642123495788832

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 23 24 32 36 46 48 69 72 92 96 138 144 184 207 276 288 368 414 529 552 736 828 1058 1104 1587 1656 2116 2208 3174 3312 4232 4761 6348 6624 8464 9522 12696 16928 19044 25392 38088 50784 64921 76176 129842 152352 194763 259684 389526 519368 584289 779052 1038736 1168578 1493183 1558104 2077472 2337156 2986366 3116208 4479549 4674312 5972732 6232416 8959098 9348624 11945464 13438647 17918196 18697248 23890928 26877294 34343209 35836392 47781856 53754588 68686418 71672784 103029627 107509176 137372836 143345568 206059254 215018352 274745672 309088881 412118508 430036704 549491344 618177762 824237016 1098982688 1236355524 1648474032 2472711048 3296948064 4214736241 4945422096 8429472482 9890844192 12644208723 16858944964 25288417446 33717889928 37932626169 50576834892 67435779856 75865252338 96938933543 101153669784 134871559712 151730504676 193877867086 202307339568 290816800629 303461009352 387755734172 404614679136 581633601258 606922018704 775511468344 872450401887 1163267202516 1213844037408 1551022936688 1744900803774 2229595471489 2326534405032 3102045873376 3489801607548 4459190942978 4653068810064 6688786414467 6979603215096 8918381885956 9306137620128 13377572828934 13959206430192 17836763771912 20066359243401 26755145657868 27918412860384 35673527543824 40132718486802 53510291315736 71347055087648 80265436973604 107020582631472 160530873947208 214041165262944 321061747894416 642123495788832
• Sum of all divisors σ(n): 1908912950330841
• Sum of proper divisors (its aliquot sum) s(n): 1266789454542009
• 642123495788832 is an abundant number, because the sum of its proper divisors (1266789454542009) is greater than itself. Its abundance is 624665958753177

Bases of 642123495788832

• Binary: 10010010000000001000000110110111100101000100100000₂
• Hexadecimal: 0x2480206DE5120
• Base-36: 6BM3GM96W0

Squares and roots of 642123495788832

• 642123495788832 squared (642123495788832²) is 412322583844070147237935924224
• 642123495788832 cubed (642123495788832³) is 264762018930638106428473554634765513857466368
• The square root of 642123495788832 is 25340155.7964593423
• The cube root of 642123495788832 is 86272.5934862679

Scales and comparisons

• 642,123,495,788,832 seconds is equal to 20,417,540 years, 49 weeks, 1 day, 23 hours, 7 minutes, 12 seconds.
• To count from 1 to 642,123,495,788,832 would take you about fifty-one million, forty-three thousand, eight hundred fifty-two 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 642123495788832 cubic inches would be around 7189.4 feet tall.

Recreational maths with 642123495788832

• 642123495788832 backwards is 238887594321246
• 642123495788832 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 642123495788832's digits is 72
• More coming soon!