128950132640

Names of 128950132640

• Cardinal: 128950132640 can be written as One hundred twenty-eight billion, nine hundred fifty million, one hundred thirty-two thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.2895013264 × 10¹¹

Factors of 128950132640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 478

Divisors of 128950132640

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 17 20 28 32 34 35 37 40 49 56 68 70 74 79 80 85 98 112 119 136 140 148 158 160 170 185 196 224 238 245 259 272 280 296 316 331 340 370 392 395 476 490 518 544 553 560 592 595 629 632 662 680 740 784 790 833 952 980 1036 1106 1120 1184 1190 1258 1264 1295 1324 1343 1360 1480 1568 1580 1655 1666 1813 1904 1960 2072 2212 2317 2380 2516 2528 2590 2648 2686 2720 2765 2923 2960 3145 3160 3310 3332 3626 3808 3871 3920 4144 4165 4403 4424 4634 4760 5032 5180 5296 5372 5530 5627 5846 5920 6290 6320 6620 6664 6715 7252 7742 7840 8288 8330 8806 8848 9065 9268 9401 9520 10064 10360 10592 10744 11060 11254 11585 11692 12247 12580 12640 13240 13328 13430 14504 14615 15484 16219 16660 17612 17696 18130 18536 18802 19040 19355 20128 20461 20720 21488 22015 22120 22508 23170 23384 24494 25160 26149 26480 26656 26860 28135 29008 29230 30821 30968 32438 33320 35224 36260 37072 37604 38710 39389 40922 41440 42976 44030 44240 45016 46340 46768 47005 48988 49691 50320 52298 52960 53720 56270 58016 58460 61235 61642 61936 64876 65807 66640 70448 72520 74144 75208 77420 78778 81095 81844 85729 88060 88480 90032 92680 93536 94010 97976 99382 100640 102305 104596 107440 112540 116920 122470 123284 123872 129752 130745 131614 133280 140896 143227 145040 150416 154105 154840 157556 162190 163688 171458 176120 180064 183043 185360 188020 195952 196945 198764 204610 208199 209192 214880 225080 233840 244940 246568 248455 259504 261490 263228 275723 286454 290080 300832 308210 309680 315112 324380 327376 329035 342916 347837 352240 366086 370720 376040 391904 393890 397528 409220 416398 418384 428645 444533 450160 467680 489880 493136 496910 519008 522980 526456 551446 572908 600103 616420 619360 630224 648760 654752 658070 685832 695674 704480 716135 732172 752080 787780 795056 818440 832796 836768 857290 889066 900320 915215 967513 979760 986272 993820 1040995 1045960 1052912 1102892 1145816 1200206 1232840 1260448 1281301 1297520 1316140 1371664 1378615 1391348 1432270 1457393 1464344 1504160 1575560 1590112 1636880 1665592 1714580 1739185 1778132 1830430 1935026 1959520 1987640 2081990 2091920 2105824 2205784 2222665 2291632 2400412 2434859 2465680 2562602 2595040 2632280 2743328 2757230 2782696 2864540 2914786 2928688 3000515 3111731 3151120 3273760 3331184 3429160 3478370 3556264 3660860 3870052 3975280 4163980 4183840 4411568 4445330 4583264 4800824 4837565 4869718 4931360 5125204 5264560 5514460 5565392 5729080 5829572 5857376 6001030 6223462 6302240 6406505 6662368 6772591 6858320 6956740 7112528 7286965 7321720 7740104 7950560 8327960 8823136 8890660 9601648 9675130 9739436 10201751 10250408 10529120 11028920 11130784 11458160 11659144 12002060 12174295 12446924 12813010 13545182 13716640 13913480 14225056 14573930 14643440 15480208 15558655 16447721 16655920 17781320 19203296 19350260 19478872 20403502 20500816 21782117 22057840 22916320 23318288 24004120 24348590 24893848 25626020 27090364 27826960 29147860 29286880 30960416 31117310 32895442 33311840 33862955 35562640 38700520 38957744 40807004 41001632 43564234 44115680 46636576 47408137 48008240 48697180 49787696 51008755 51252040 54180728 55653920 58295720 62234620 65790884 67725910 71125280 77401040 77915488 81614008 82238605 87128468 94816274 96016480 97394360 99575392 102017510 102504080 108361456 108910585 115134047 116591440 124469240 131581768 135451820 154802080 163228016 164477210 174256936 189632548 194788720 204035020 205008160 216722912 217821170 230268094 233182880 237040685 248938480 263163536 270903640 326456032 328954420 348513872 379265096 389577440 408070040 435642340 460536188 474081370 497876960 526327072 541807280 575670235 657908840 697027744 758530192 805938329 816140080 871284680 921072376 948162740 1083614560 1151340470 1315817680 1517060384 1611876658 1632280160 1742569360 1842144752 1896325480 2302680940 2631635360 3223753316 3485138720 3684289504 3792650960 4029691645 4605361880 6447506632 7585301920 8059383290 9210723760 12895013264 16118766580 18421447520 25790026528 32237533160 64475066320 128950132640
• Sum of all divisors σ(n): 391427043840
• Sum of proper divisors (its aliquot sum) s(n): 262476911200
• 128950132640 is an abundant number, because the sum of its proper divisors (262476911200) is greater than itself. Its abundance is 133526778560

Bases of 128950132640

• Binary: 1111000000110000001101101111110100000₂
• Hexadecimal: 0x1E0606DFA0
• Base-36: 1N8LKV4W

Squares and roots of 128950132640

• 128950132640 squared (128950132640²) is 16628136707873593369600
• 128950132640 cubed (128950132640³) is 2144200434036352797363344543744000
• The square root of 128950132640 is 359096.2721054063
• The cube root of 128950132640 is 5052.1231818545

Scales and comparisons

• 128,950,132,640 seconds is equal to 4,100 years, 11 weeks, 1 day, 9 hours, 17 minutes, 20 seconds.
• To count from 1 to 128,950,132,640 would take you about eight thousand, two hundred 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 128950132640 cubic inches would be around 421 feet tall.

Recreational maths with 128950132640

• 128950132640 backwards is 046231059821
• The number of decimal digits it has is: 12
• The sum of 128950132640's digits is 41
• More coming soon!