128392942080

Names of 128392942080

• Cardinal: 128392942080 can be written as One hundred twenty-eight billion, three hundred ninety-two million, nine hundred forty-two thousand and eighty.

Scientific notation

• Scientific notation: 1.2839294208 × 10¹¹

Factors of 128392942080

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 8371

Divisors of 128392942080

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 64 65 78 80 96 104 120 128 130 156 157 160 192 195 208 240 256 260 312 314 320 384 390 416 471 480 512 520 624 628 640 768 780 785 832 942 960 1040 1248 1256 1280 1536 1560 1570 1664 1884 1920 2041 2080 2355 2496 2512 2560 3120 3140 3328 3768 3840 4082 4160 4710 4992 5024 6123 6240 6280 6656 7536 7680 8164 8191 8320 9420 9984 10048 10205 12246 12480 12560 15072 16328 16382 16640 18840 19968 20096 20410 24492 24573 24960 25120 30144 30615 32656 32764 33280 37680 40192 40820 40955 48984 49146 49920 50240 60288 61230 65312 65528 75360 80384 81640 81910 97968 98292 99840 100480 106483 120576 122460 122865 130624 131056 150720 163280 163820 195936 196584 200960 212966 241152 244920 245730 261248 262112 301440 319449 326560 327640 391872 393168 401920 425932 489840 491460 522496 524224 532415 602880 638898 653120 655280 783744 786336 851864 979680 982920 1044992 1048448 1064830 1205760 1277796 1285987 1306240 1310560 1567488 1572672 1597245 1703728 1959360 1965840 2096896 2129660 2555592 2571974 2612480 2621120 3134976 3145344 3194490 3407456 3857961 3918720 3931680 4193792 4259320 5111184 5143948 5224960 5242240 6290688 6388980 6429935 6814912 7715922 7837440 7863360 8518640 10222368 10287896 10484480 12581376 12777960 12859870 13629824 15431844 15674880 15726720 16717831 17037280 19289805 20444736 20575792 20968960 25555920 25719740 27259648 30863688 31453440 33435662 34074560 38579610 40889472 41151584 50153493 51111840 51439480 54519296 61727376 62906880 66871324 68149120 77159220 81778944 82303168 83589155 100306986 102223680 102878960 123454752 133742648 136298240 154318440 163557888 164606336 167178310 200613972 204447360 205757920 246909504 250767465 267485296 272596480 308636880 329212672 334356620 401227944 408894720 411515840 493819008 501534930 534970592 617273760 658425344 668713240 802455888 817789440 823031680 987638016 1003069860 1069941184 1234547520 1337426480 1604911776 1646063360 1975276032 2006139720 2139882368 2469095040 2674852960 3209823552 3292126720 4012279440 4279764736 4938190080 5349705920 6419647104 8024558880 8559529472 9876380160 10699411840 12839294208 16049117760 21398823680 25678588416 32098235520 42797647360 64196471040 128392942080
• Sum of all divisors σ(n): 444899524608
• Sum of proper divisors (its aliquot sum) s(n): 316506582528
• 128392942080 is an abundant number, because the sum of its proper divisors (316506582528) is greater than itself. Its abundance is 188113640448

Bases of 128392942080

• Binary: 1110111100100110100001101001000000000₂
• Hexadecimal: 0x1DE4D0D200
• Base-36: 1MZDUC5C

Squares and roots of 128392942080

• 128392942080 squared (128392942080²) is 16484747575958234726400
• 128392942080 cubed (128392942080³) is 2116525240723426031725719846912000
• The square root of 128392942080 is 358319.6088410457
• The cube root of 128392942080 is 5044.8359730747

Scales and comparisons

• 128,392,942,080 seconds is equal to 4,082 years, 25 weeks, 6 days, 10 hours, 8 minutes.
• To count from 1 to 128,392,942,080 would take you about eight thousand, one hundred sixty-four 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 128392942080 cubic inches would be around 420.4 feet tall.

Recreational maths with 128392942080

• 128392942080 backwards is 080249293821
• 128392942080 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128392942080's digits is 48
• More coming soon!