128397927616

Names of 128397927616

• Cardinal: 128397927616 can be written as One hundred twenty-eight billion, three hundred ninety-seven million, nine hundred twenty-seven thousand, six hundred sixteen.

Scientific notation

• Scientific notation: 1.28397927616 × 10¹¹

Factors of 128397927616

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 7509

Divisors of 128397927616

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 7 8 14 16 19 23 28 32 38 46 56 64 76 89 92 112 133 152 161 178 184 224 266 304 322 356 368 437 448 532 608 623 644 712 736 874 1064 1216 1246 1288 1424 1472 1691 1748 2047 2128 2492 2576 2848 3059 3382 3496 4094 4256 4984 5152 5696 6118 6764 6992 7369 8188 8512 9968 10304 11837 12236 13528 13984 14329 14738 16376 19936 23674 24472 27056 27968 28658 29476 32752 38893 39872 47348 48944 51583 54112 57316 58952 65504 77786 94696 97888 103166 108224 114632 117904 131008 140011 155572 169487 189392 195776 206332 229264 235808 272251 280022 311144 338974 378784 412664 458528 471616 544502 560044 622288 655841 677948 757568 825328 917056 980077 1089004 1120088 1186409 1244576 1311682 1355896 1650656 1960154 2178008 2240176 2372818 2489152 2623364 2711792 3220253 3301312 3920308 4356016 4480352 4590887 4745636 5246728 5423584 6440506 7840616 8712032 8960704 9181774 9491272 10493456 10847168 12460979 12881012 15084343 15681232 17424064 18363548 18982544 20986912 22541771 24921958 25762024 30168686 31362464 36727096 37965088 41973824 45083542 49843916 51524048 60337372 62724928 73454192 75930176 87226853 90167084 99687832 103048096 105590401 120674744 146908384 174453706 180334168 199375664 206096192 211180802 241349488 286602517 293816768 348907412 360668336 398751328 422361604 482698976 573205034 697814824 721336672 797502656 844723208 965397952 1146410068 1395629648 1442673344 1689446416 2006217619 2292820136 2791259296 3378892832 4012435238 4585640272 5582518592 6757785664 8024870476 9171280544 16049740952 18342561088 32099481904 64198963808 128397927616
• Sum of all divisors σ(n): 323478144000
• Sum of proper divisors (its aliquot sum) s(n): 195080216384
• 128397927616 is an abundant number, because the sum of its proper divisors (195080216384) is greater than itself. Its abundance is 66682288768

Bases of 128397927616

• Binary: 1110111100101000111001110010011000000₂
• Hexadecimal: 0x1DE51CE4C0
• Base-36: 1MZGT70G

Squares and roots of 128397927616

• 128397927616 squared (128397927616²) is 16486027816083575443456
• 128397927616 cubed (128397927616³) is 2116771806204861480395338588880896
• The square root of 128397927616 is 358326.5656018265
• The cube root of 128397927616 is 5044.9012697217

Scales and comparisons

• 128,397,927,616 seconds is equal to 4,082 years, 34 weeks, 1 day, 3 hours, 16 seconds.
• To count from 1 to 128,397,927,616 would take you about eight thousand, one hundred sixty-five 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 128397927616 cubic inches would be around 420.4 feet tall.

Recreational maths with 128397927616

• 128397927616 backwards is 616729793821
• The number of decimal digits it has is: 12
• The sum of 128397927616's digits is 61
• More coming soon!