8420943984128

Names of 8420943984128

• Cardinal: 8420943984128 can be written as Eight trillion, four hundred twenty billion, nine hundred forty-three million, nine hundred eighty-four thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 8.420943984128 × 10¹²

Factors of 8420943984128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 5124

Divisors of 8420943984128

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 8 13 16 19 26 32 38 52 64 76 104 128 152 169 208 247 256 304 338 416 494 512 608 676 832 988 1216 1352 1381 1664 1976 2432 2704 2762 3211 3328 3709 3952 4864 5408 5524 6422 6656 7418 7904 9728 10816 11048 12844 14836 15808 17953 21632 22096 25688 26239 29672 31616 35906 43264 44192 48217 51376 52478 59344 63232 70471 71812 86528 88384 96434 102752 104956 118688 126464 140942 143624 176768 192868 205504 209912 233389 237376 281884 287248 341107 353536 385736 411008 419824 466778 474752 563768 574496 626821 682214 707072 771472 822016 839648 916123 933556 949504 1127536 1148992 1253642 1364428 1542944 1644032 1679296 1832246 1867112 1899008 2255072 2297984 2507284 2728856 3085888 3358592 3664492 3734224 4434391 4510144 4595968 5014568 5122129 5457712 6171776 6717184 7328984 7468448 8868782 9020288 9191936 10029136 10244258 10915424 11909599 12343552 13434368 14657968 14936896 17737564 18040576 20058272 20488516 21830848 23819198 24687104 29315936 29873792 35475128 36081152 40116544 40977032 43661696 47638396 58631872 59747584 66587677 70950256 80233088 81954064 87323392 95276792 97320451 117263744 119495168 133175354 141900512 160466176 163908128 174646784 190553584 194640902 234527488 266350708 283801024 320932352 327816256 381107168 389281804 469054976 532701416 567602048 655632512 762214336 778563608 865639801 1065402832 1135204096 1265165863 1311265024 1524428672 1557127216 1731279602 2130805664 2270408192 2530331726 2622530048 3048857344 3114254432 3462559204 4261611328 5060663452 6097714688 6228508864 6925118408 8523222656 10121326904 12457017728 13850236816 16447156219 17046445312 20242653808 24914035456 27700473632 32894312438 34092890624 40485307616 49828070912 55400947264 65788624876 80970615232 110801894528 131577249752 161941230464 221603789056 263154499504 323882460928 443207578112 526308999008 647764921856 1052617998016 2105235996032 4210471992064 8420943984128
• Sum of all divisors σ(n): 19197234579600
• Sum of proper divisors (its aliquot sum) s(n): 10776290595472
• 8420943984128 is an abundant number, because the sum of its proper divisors (10776290595472) is greater than itself. Its abundance is 2355346611344

Bases of 8420943984128

• Binary: 1111010100010100111010111111111011000000000₂
• Hexadecimal: 0x7A8A75FF600
• Base-36: 2ZGJ0MJ28

Squares and roots of 8420943984128

• 8420943984128 squared (8420943984128²) is 70912297583821553915920384
• 8420943984128 cubed (8420943984128³) is 597148485739176624268530558369007665152
• The square root of 8420943984128 is 2901886.2803576573
• The cube root of 8420943984128 is 20344.8078676137

Scales and comparisons

• 8,420,943,984,128 seconds is equal to 267,759 years, 50 weeks, 3 days, 10 hours, 42 minutes, 8 seconds.
• To count from 1 to 8,420,943,984,128 would take you about six hundred sixty-nine thousand, three hundred ninety-nine 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 8420943984128 cubic inches would be around 1695.4 feet tall.

Recreational maths with 8420943984128

• 8420943984128 backwards is 8214893490248
• The number of decimal digits it has is: 13
• The sum of 8420943984128's digits is 62
• More coming soon!