128827373940

Names of 128827373940

• Cardinal: 128827373940 can be written as One hundred twenty-eight billion, eight hundred twenty-seven million, three hundred seventy-three thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.2882737394 × 10¹¹

Factors of 128827373940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 917

Divisors of 128827373940

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 17 18 20 27 30 31 34 36 45 51 54 60 62 68 85 90 93 102 108 124 135 153 155 170 180 186 204 255 270 279 289 306 310 340 372 459 465 510 527 540 558 578 612 620 765 837 859 867 918 930 961 1020 1054 1116 1156 1395 1445 1530 1581 1674 1718 1734 1836 1860 1922 2108 2295 2577 2601 2635 2790 2883 2890 3060 3162 3348 3436 3468 3844 4185 4295 4335 4590 4743 4805 5154 5202 5270 5580 5766 5780 6324 7731 7803 7905 8370 8590 8649 8670 8959 9180 9486 9610 10308 10404 10540 11532 12885 13005 14229 14415 14603 15462 15606 15810 16337 16740 17180 17298 17340 17918 18972 19220 23193 23715 25770 25947 26010 26629 26877 28458 28830 29206 30924 31212 31620 32674 34596 35836 38655 39015 43245 43809 44795 46386 47430 49011 51540 51894 52020 53258 53754 56916 57660 58412 65348 71145 73015 77310 78030 79887 80631 81685 86490 87618 89590 92772 94860 98022 103788 106516 107508 115965 129735 131427 133145 134385 142290 146030 147033 154620 156060 159774 161262 163370 172980 175236 179180 196044 219045 231930 239661 241893 245055 248251 259470 262854 266290 268770 277729 284580 292060 294066 319548 322524 326740 394281 399435 403155 438090 441099 452693 463860 479322 483786 490110 496502 518940 525708 532580 537540 555458 588132 657135 718983 735165 744753 788562 798870 806310 825499 833187 876180 882198 905386 958644 967572 980220 993004 1110916 1198305 1209465 1241255 1314270 1358079 1388645 1437966 1470330 1489506 1577124 1597740 1612620 1650998 1666374 1764396 1810772 1971405 2205495 2234259 2263465 2396610 2418930 2476497 2482510 2499561 2628540 2716158 2777290 2875932 2940660 2979012 3301996 3332748 3594915 3723765 3942810 4074237 4127495 4165935 4410990 4468518 4526930 4793220 4837860 4952994 4965020 4999122 5432316 5554580 6702777 6790395 7189830 7429491 7447530 7498683 7695781 7885620 8148474 8254990 8331870 8821980 8937036 9053860 9905988 9998244 11171295 12222711 12382485 12497805 13405554 13580790 14033483 14379660 14858982 14895060 14997366 15391562 16296948 16509980 16663740 20371185 22288473 22342590 23087343 24445422 24764970 24995610 26811108 27161580 28066966 29717964 29994732 30783124 33513885 37147455 37493415 38478905 40742370 42100449 44576946 44685180 46174686 48890844 49529940 49991220 56133932 61113555 67027770 69262029 70167415 74294910 74986830 76957810 81484740 84200898 89153892 92349372 111442365 115436715 122227110 126301347 134055540 138524058 140334830 148589820 149973660 153915620 168401796 207786087 210502245 222884730 230873430 238569211 244454220 252602694 277048116 280669660 346310145 378904041 415572174 421004490 445769460 461746860 477138422 505205388 631506735 692620290 715707633 757808082 831144348 842008980 954276844 1038930435 1192846055 1263013470 1385240580 1431415266 1515616164 1894520205 2077860870 2147122899 2385692110 2526026940 2862830532 3578538165 3789040410 4155721740 4294245798 4771384220 6441368697 7157076330 7578080820 8588491596 10735614495 12882737394 14314152660 21471228990 25765474788 32206843485 42942457980 64413686970 128827373940
• Sum of all divisors σ(n): 440448724800
• Sum of proper divisors (its aliquot sum) s(n): 311621350860
• 128827373940 is an abundant number, because the sum of its proper divisors (311621350860) is greater than itself. Its abundance is 182793976920

Bases of 128827373940

• Binary: 1110111111110101101011011100101110100₂
• Hexadecimal: 0x1DFEB5B974
• Base-36: 1N6KHPX0

Squares and roots of 128827373940

• 128827373940 squared (128827373940²) is 16596492276276591123600
• 128827373940 cubed (128827373940³) is 2138082516568206195548501958984000
• The square root of 128827373940 is 358925.3041232953
• The cube root of 128827373940 is 5050.5194896101

Scales and comparisons

• 128,827,373,940 seconds is equal to 4,096 years, 16 weeks, 1 day, 13 hours, 39 minutes.
• To count from 1 to 128,827,373,940 would take you about eight thousand, one hundred ninety-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 128827373940 cubic inches would be around 420.9 feet tall.

Recreational maths with 128827373940

• 128827373940 backwards is 049373728821
• 128827373940 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128827373940's digits is 54
• More coming soon!