128672324340

Names of 128672324340

• Cardinal: 128672324340 can be written as One hundred twenty-eight billion, six hundred seventy-two million, three hundred twenty-four thousand, three hundred forty.

Scientific notation

• Scientific notation: 1.2867232434 × 10¹¹

Factors of 128672324340

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 861

Divisors of 128672324340

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 31 35 42 60 62 70 73 84 93 105 124 140 146 155 186 210 217 219 292 310 331 365 372 409 420 434 438 465 511 620 651 662 730 818 868 876 930 993 1022 1085 1095 1227 1302 1324 1460 1533 1636 1655 1860 1986 2044 2045 2170 2190 2263 2317 2454 2555 2604 2863 3066 3255 3310 3972 4090 4340 4380 4526 4634 4908 4965 5110 5726 6132 6135 6510 6620 6789 6951 7665 8180 8589 9052 9268 9930 10220 10261 11315 11452 11585 12270 12679 13020 13578 13902 14315 15330 15841 17178 19860 20522 22630 23170 24163 24540 25358 27156 27804 28630 29857 30660 30783 31682 33945 34356 34755 38037 41044 42945 45260 46340 47523 48326 50716 51305 57260 59714 61566 63364 63395 67890 69510 71827 72489 76074 79205 85890 88753 89571 95046 96652 102610 119428 120815 123132 126790 135379 135780 139020 143654 144978 149285 152148 153915 158410 169141 171780 177506 179142 190092 190185 205220 208999 215481 237615 241630 253580 266259 270758 287308 289956 298570 307830 316820 338282 355012 358284 359135 362445 380370 406137 417998 430962 443765 447855 475230 483260 507423 532518 541516 597140 615660 626997 676564 676895 718270 724890 749053 760740 812274 835996 845705 861924 887530 895710 925567 947653 950460 1014846 1044995 1065036 1077405 1253994 1331295 1353790 1436540 1449780 1498106 1624548 1691410 1775060 1791420 1851134 1895306 2029692 2030685 2089990 2154810 2247159 2507988 2537115 2662590 2707580 2776701 2842959 2996212 3134985 3382820 3702268 3745265 3790612 4061370 4179980 4196749 4309620 4494318 4627835 4738265 5074230 5243371 5325180 5553402 5685918 6269970 6478969 7490530 8122740 8393498 8988636 9255670 9476530 9882667 10148460 10486742 11106804 11235795 11371836 12539940 12590247 12957938 13883505 14214795 14981060 15730113 16786996 18511340 18953060 19436907 19765334 20973484 20983745 22471590 25180494 25915876 26216855 27767010 28429590 29377243 29648001 31460226 32394845 38873814 39530668 41967490 44943180 49413335 50360988 52433710 55534020 56859180 58754486 59296002 62920452 62951235 64789690 69178669 77747628 78650565 83934980 88131729 97184535 98826670 104867420 117508972 118592004 125902470 129579380 138357338 146886215 148240005 157301130 176263458 194369070 197653340 207536007 251804940 276714676 293772430 296480010 306362677 314602260 345893345 352526916 388738140 415072014 440658645 587544860 592960020 612725354 691786690 830144028 881317290 919088031 1037680035 1225450708 1383573380 1531813385 1762634580 1838176062 2075360070 2144538739 3063626770 3676352124 4150720140 4289077478 4595440155 6127253540 6433616217 8578154956 9190880310 10722693695 12867232434 18381760620 21445387390 25734464868 32168081085 42890774780 64336162170 128672324340
• Sum of all divisors σ(n): 433214423040
• Sum of proper divisors (its aliquot sum) s(n): 304542098700
• 128672324340 is an abundant number, because the sum of its proper divisors (304542098700) is greater than itself. Its abundance is 175869774360

Bases of 128672324340

• Binary: 1110111110101011101111101101011110100₂
• Hexadecimal: 0x1DF577DAF4
• Base-36: 1N406GVO

Squares and roots of 128672324340

• 128672324340 squared (128672324340²) is 16556567051058156435600
• 128672324340 cubed (128672324340³) is 2130371965550712445083981522504000
• The square root of 128672324340 is 358709.2476365783
• The cube root of 128672324340 is 5048.4924996135

Scales and comparisons

• 128,672,324,340 seconds is equal to 4,091 years, 19 weeks, 6 days, 19 minutes.
• To count from 1 to 128,672,324,340 would take you about eight thousand, one hundred eighty-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 128672324340 cubic inches would be around 420.7 feet tall.

Recreational maths with 128672324340

• 128672324340 backwards is 043423276821
• 128672324340 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128672324340's digits is 42
• More coming soon!