128016396270

Names of 128016396270

• Cardinal: 128016396270 can be written as One hundred twenty-eight billion, sixteen million, three hundred ninety-six thousand, two hundred seventy.

Scientific notation

• Scientific notation: 1.2801639627 × 10¹¹

Factors of 128016396270

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 11562

Divisors of 128016396270

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 27 30 31 35 42 45 54 62 63 70 90 93 105 126 135 155 186 189 193 210 217 270 279 310 315 378 386 434 465 558 579 630 651 837 930 945 965 1085 1158 1302 1351 1395 1674 1737 1890 1930 1953 2170 2702 2790 2895 3255 3474 3906 4053 4185 5211 5790 5859 5983 6510 6755 8106 8370 8685 9765 10422 11321 11718 11966 12159 13510 17370 17949 19530 20265 22642 24318 26055 29295 29915 33963 35898 36477 40530 41881 52110 53847 56605 58590 59830 60795 67926 72954 79247 83762 89745 101889 107694 113210 121590 125643 158494 161541 169815 179490 182385 203778 209405 237741 251286 269235 305667 323082 339630 350951 364770 376929 396235 418810 475482 509445 538470 611334 628215 701902 713223 753858 792470 807705 1018890 1052853 1130787 1188705 1256430 1426446 1528335 1615410 1754755 1884645 2105706 2139669 2184953 2261574 2377410 2456657 3056670 3158559 3509510 3566115 3769290 4279338 4369906 4913314 5264265 5653935 6317118 6554859 7132230 7369971 9475677 10528530 10698345 10924765 11307870 12283285 13109718 14739942 15294671 15792795 18951354 19664577 21396690 21849530 22109913 24566570 30589342 31585590 32774295 36849855 39329154 44219826 45884013 47378385 58993731 65548590 66329739 67733543 73699710 76473355 91768026 94756770 98322885 110549565 117987462 132659478 135467086 137652039 152946710 196645770 203200629 221099130 229420065 275304078 294968655 331648695 338667715 406401258 412956117 458840130 474134801 589937310 609601887 663297390 677335430 688260195 825912234 948269602 1016003145 1219203774 1376520390 1422404403 1828805661 2032006290 2064780585 2370674005 2844808806 3048009435 3657611322 4129561170 4267213209 4741348010 6096018870 7112022015 8534426418 9144028305 12801639627 14224044030 18288056610 21336066045 25603279254 42672132090 64008198135 128016396270
• Sum of all divisors σ(n): 404852981760
• Sum of proper divisors (its aliquot sum) s(n): 276836585490
• 128016396270 is an abundant number, because the sum of its proper divisors (276836585490) is greater than itself. Its abundance is 148820189220

Bases of 128016396270

• Binary: 1110111001110010111110010111111101110₂
• Hexadecimal: 0x1DCE5F2FEE
• Base-36: 1MT5NNJI

Squares and roots of 128016396270

• 128016396270 squared (128016396270²) is 16388197713957669912900
• 128016396270 cubed (128016396270³) is 2097958012701113181575662784883000
• The square root of 128016396270 is 357793.7901501367
• The cube root of 128016396270 is 5039.8993779515

Scales and comparisons

• 128,016,396,270 seconds is equal to 4,070 years, 27 weeks, 2 days, 6 hours, 4 minutes, 30 seconds.
• To count from 1 to 128,016,396,270 would take you about eight thousand, one hundred forty-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 128016396270 cubic inches would be around 420 feet tall.

Recreational maths with 128016396270

• 128016396270 backwards is 072693610821
• 128016396270 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128016396270's digits is 45
• More coming soon!