128367409428

Names of 128367409428

• Cardinal: 128367409428 can be written as One hundred twenty-eight billion, three hundred sixty-seven million, four hundred nine thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 1.28367409428 × 10¹¹

Factors of 128367409428

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 738

Divisors of 128367409428

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 9 12 17 18 34 36 37 51 67 68 74 102 111 134 148 153 201 204 211 222 268 306 333 401 402 422 444 603 612 629 633 666 802 804 844 1139 1203 1206 1258 1266 1332 1604 1887 1899 2278 2406 2412 2479 2516 2532 3417 3587 3609 3774 3798 4556 4812 4958 5661 6817 6834 7174 7218 7437 7548 7596 7807 9916 10251 10761 11322 13634 13668 14137 14348 14436 14837 14874 15614 20451 20502 21522 22311 22644 23421 26867 27268 28274 29674 29748 31228 32283 40902 41004 42143 42411 43044 44511 44622 46842 53734 56548 59348 61353 64566 70263 80601 81804 84286 84611 84822 89022 89244 93684 107468 122706 126429 127233 129132 132719 133533 140526 161202 168572 169222 169644 178044 240329 241803 245412 252229 252858 253833 254466 265438 267066 281052 322404 338444 379287 398157 456739 480658 483606 504458 505716 507666 508932 523069 530876 534132 720987 756687 758574 761499 796314 913478 961316 967212 994079 1008916 1015332 1046138 1194471 1370217 1438387 1441974 1513374 1517148 1522998 1569207 1592628 1826956 1988158 2092276 2162961 2270061 2388942 2740434 2876774 2883948 2982237 3026748 3045996 3130607 3138414 3976316 4110651 4315161 4325922 4540122 4707621 4777884 5480868 5668937 5753548 5964474 6261214 6276828 8221302 8630322 8651844 8892173 8946711 9080244 9391821 9415242 11337874 11928948 12522428 12945483 16442604 16899343 17006811 17260644 17784346 17893422 18783642 18830484 22675748 25890966 26676519 28175463 33798686 34013622 35568692 35786844 37567284 50698029 51020433 51781932 53220319 53353038 56350926 67597372 68027244 80029557 96371929 101396058 102040866 106440638 106706076 112701852 152094087 159660957 160059114 192743858 202792116 204081732 209750669 212881276 289115787 304188174 319321914 320118228 385487716 419501338 478982871 578231574 608376348 629252007 638643828 839002676 867347361 957965742 1156463148 1258504014 1734694722 1887756021 1915931484 2517008028 3469389444 3565761373 3775512042 7131522746 7551024084 10697284119 14263045492 21394568238 32091852357 42789136476 64183704714 128367409428
• Sum of all divisors σ(n): 360718420608
• Sum of proper divisors (its aliquot sum) s(n): 232351011180
• 128367409428 is an abundant number, because the sum of its proper divisors (232351011180) is greater than itself. Its abundance is 103983601752

Bases of 128367409428

• Binary: 1110111100011010010110011100100010100₂
• Hexadecimal: 0x1DE34B3914
• Base-36: 1MYYN310

Squares and roots of 128367409428

• 128367409428 squared (128367409428²) is 16478191803255783287184
• 128367409428 cubed (128367409428³) is 2115262793841648756634788233170752
• The square root of 128367409428 is 358283.9787487017
• The cube root of 128367409428 is 5044.5015398925

Scales and comparisons

• 128,367,409,428 seconds is equal to 4,081 years, 35 weeks, 4 days, 21 hours, 43 minutes, 48 seconds.
• To count from 1 to 128,367,409,428 would take you about eight thousand, one hundred sixty-three 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 128367409428 cubic inches would be around 420.4 feet tall.

Recreational maths with 128367409428

• 128367409428 backwards is 824904763821
• The number of decimal digits it has is: 12
• The sum of 128367409428's digits is 54
• More coming soon!