128713195520

Names of 128713195520

• Cardinal: 128713195520 can be written as One hundred twenty-eight billion, seven hundred thirteen million, one hundred ninety-five thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.2871319552 × 10¹¹

Factors of 128713195520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 213

Divisors of 128713195520

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 52 56 64 65 70 80 89 91 97 104 112 128 130 140 160 178 182 194 208 224 256 260 280 320 356 364 388 416 445 448 455 485 512 520 560 623 640 679 712 728 776 832 890 896 910 970 1024 1040 1120 1157 1246 1261 1280 1358 1424 1456 1552 1664 1780 1792 1820 1940 2048 2080 2240 2314 2492 2522 2560 2716 2848 2912 3104 3115 3328 3395 3560 3584 3640 3880 4096 4160 4480 4628 4984 5044 5120 5432 5696 5785 5824 6208 6230 6305 6656 6790 7120 7168 7280 7760 8099 8192 8320 8633 8827 8960 9256 9968 10088 10240 10864 11392 11570 11648 12416 12460 12610 13312 13580 14240 14336 14560 15520 16198 16384 16640 17266 17654 17920 18512 19936 20176 20480 21728 22784 23140 23296 24832 24920 25220 26624 27160 28480 28672 29120 31040 32396 32768 33280 34532 35308 35840 37024 39872 40352 40495 40960 43165 43456 44135 45568 46280 46592 49664 49840 50440 53248 54320 56960 57344 58240 60431 62080 64792 66560 69064 70616 71680 74048 79744 80704 80990 81920 86330 86912 88270 91136 92560 93184 99328 99680 100880 106496 108640 112229 113920 114688 116480 120862 124160 129584 133120 138128 141232 143360 148096 159488 161408 161980 163840 172660 173824 176540 182272 185120 186368 198656 199360 201760 212992 217280 224458 227840 229376 232960 241724 248320 259168 266240 276256 282464 286720 296192 302155 318976 322816 323960 345320 347648 353080 364544 370240 372736 397312 398720 403520 425984 434560 448916 455680 465920 483448 496640 518336 532480 552512 561145 564928 573440 592384 604310 637952 645632 647920 690640 695296 706160 729088 740480 745472 785603 794624 797440 807040 869120 897832 911360 931840 966896 993280 1036672 1064960 1105024 1122290 1129856 1146880 1184768 1208620 1275904 1291264 1295840 1381280 1390592 1412320 1458176 1480960 1490944 1571206 1589248 1594880 1614080 1738240 1795664 1822720 1863680 1933792 1986560 2073344 2129920 2210048 2244580 2259712 2369536 2417240 2551808 2582528 2591680 2762560 2781184 2824640 2916352 2961920 2981888 3142412 3178496 3189760 3228160 3476480 3591328 3645440 3727360 3867584 3928015 3973120 4146688 4420096 4489160 4519424 4739072 4834480 5103616 5165056 5183360 5525120 5562368 5649280 5923840 6284824 6379520 6456320 6952960 7182656 7290880 7454720 7735168 7856030 7946240 8293376 8840192 8978320 9038848 9478144 9668960 10207232 10330112 10366720 11050240 11124736 11298560 11847680 12569648 12759040 12912640 13905920 14365312 14581760 14909440 15470336 15712060 15892480 16586752 17680384 17956640 18077696 18956288 19337920 20414464 20660224 20733440 22100480 22249472 22597120 23695360 25139296 25518080 25825280 27811840 28730624 30940672 31424120 33173504 35360768 35913280 36155392 37912576 38675840 41320448 41466880 44200960 45194240 47390720 50278592 51036160 51650560 55623680 57461248 61881344 62848240 66347008 70721536 71826560 72310784 77351680 82933760 88401920 90388480 94781440 100557184 102072320 103301120 111247360 114922496 123762688 125696480 132694016 141443072 143653120 144621568 154703360 165867520 176803840 180776960 189562880 201114368 206602240 229844992 247525376 251392960 265388032 282886144 287306240 289243136 309406720 331735040 353607680 361553920 402228736 459689984 495050752 502785920 574612480 618813440 663470080 707215360 723107840 804457472 919379968 990101504 1005571840 1149224960 1237626880 1326940160 1414430720 1446215680 1608914944 1838759936 1980203008 2011143680 2298449920 2475253760 3217829888 3677519872 4022287360 4596899840 4950507520 6435659776 8044574720 9193799680 9901015040 12871319552 16089149440 18387599360 25742639104 32178298880 64356597760 128713195520
• Sum of all divisors σ(n): 388428566400
• Sum of proper divisors (its aliquot sum) s(n): 259715370880
• 128713195520 is an abundant number, because the sum of its proper divisors (259715370880) is greater than itself. Its abundance is 131002175360

Bases of 128713195520

• Binary: 1110111110111111001111000000000000000₂
• Hexadecimal: 0x1DF7E78000
• Base-36: 1N4OIHA8

Squares and roots of 128713195520

• 128713195520 squared (128713195520²) is 16567086700969748070400
• 128713195520 cubed (128713195520³) is 2132402669738710956990537924608000
• The square root of 128713195520 is 358766.2129019399
• The cube root of 128713195520 is 5049.0269735281

Scales and comparisons

• 128,713,195,520 seconds is equal to 4,092 years, 35 weeks, 3 days, 1 hour, 25 minutes, 20 seconds.
• To count from 1 to 128,713,195,520 would take you about eight thousand, one hundred eighty-five 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 128713195520 cubic inches would be around 420.8 feet tall.

Recreational maths with 128713195520

• 128713195520 backwards is 025591317821
• The number of decimal digits it has is: 12
• The sum of 128713195520's digits is 44
• More coming soon!