129855220320

Names of 129855220320

• Cardinal: 129855220320 can be written as One hundred twenty-nine billion, eight hundred fifty-five million, two hundred twenty thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.2985522032 × 10¹¹

Factors of 129855220320

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2990

Divisors of 129855220320

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 19 20 21 24 28 30 32 35 38 40 42 48 56 57 60 70 76 80 84 95 96 105 112 114 120 133 140 152 160 168 190 210 224 228 240 266 280 285 304 336 380 399 420 456 480 532 560 570 608 665 672 760 798 840 912 1064 1093 1120 1140 1330 1520 1596 1680 1824 1861 1995 2128 2186 2280 2660 3040 3192 3279 3360 3722 3990 4256 4372 4560 5320 5465 5583 6384 6558 7444 7651 7980 8744 9120 9305 10640 10930 11166 12768 13027 13116 14888 15302 15960 16395 17488 18610 20767 21280 21860 22332 22953 26054 26232 27915 29776 30604 31920 32790 34976 35359 37220 38255 39081 41534 43720 44664 45906 52108 52464 55830 59552 61208 62301 63840 65135 65580 70718 74440 76510 78162 83068 87440 89328 91812 103835 104216 104928 106077 111660 114765 122416 124602 130270 131160 141436 145369 148880 153020 156324 166136 174880 176795 178656 183624 195405 207670 208432 212154 223320 229530 244832 247513 249204 260540 262320 282872 290738 297760 306040 311505 312648 332272 353590 367248 390810 415340 416864 424308 436107 446640 459060 495026 498408 521080 524640 530385 565744 581476 612080 623010 625296 664544 707180 726845 734496 742539 781620 830680 848616 872214 893280 918120 990052 996816 1042160 1060770 1131488 1162952 1224160 1237565 1246020 1250592 1414360 1453690 1485078 1563240 1661360 1697232 1744428 1836240 1980104 1993632 2034073 2084320 2121540 2180535 2325904 2475130 2492040 2828720 2907380 2970156 3126480 3322720 3394464 3488856 3672480 3712695 3960208 4068146 4243080 4361070 4651808 4950260 4984080 5657440 5814760 5940312 6102219 6252960 6977712 7425390 7920416 8136292 8486160 8722140 9900520 9968160 10170365 11629520 11880624 12204438 13955424 14238511 14850780 16272584 16972320 17444280 19801040 20340730 23259040 23761248 24408876 28477022 29701560 30511095 32545168 34888560 38647387 39602080 40681460 42715533 48817752 56954044 59403120 61022190 65090336 69777120 71192555 77294774 81362920 85431066 97635504 113908088 115942161 118806240 122044380 142385110 154589548 162725840 170862132 193236935 195271008 213577665 227816176 231884322 244088760 270531709 284770220 309179096 325451680 341724264 386473870 427155330 455632352 463768644 488177520 541063418 569540440 579710805 618358192 683448528 772947740 811595127 854310660 927537288 976355040 1082126836 1139080880 1159421610 1236716384 1352658545 1366897056 1545895480 1623190254 1708621320 1855074576 2164253672 2278161760 2318843220 2705317090 3091790960 3246380508 3417242640 3710149152 4057975635 4328507344 4637686440 5410634180 6183581920 6492761016 6834485280 8115951270 8657014688 9275372880 10821268360 12985522032 16231902540 18550745760 21642536720 25971044064 32463805080 43285073440 64927610160 129855220320
• Sum of all divisors σ(n): 492797813760
• Sum of proper divisors (its aliquot sum) s(n): 362942593440
• 129855220320 is an abundant number, because the sum of its proper divisors (362942593440) is greater than itself. Its abundance is 233087373120

Bases of 129855220320

• Binary: 1111000111011111110010110101001100000₂
• Hexadecimal: 0x1E3BF96A60
• Base-36: 1NNKG19C

Squares and roots of 129855220320

• 129855220320 squared (129855220320²) is 16862378244355740902400
• 129855220320 cubed (129855220320³) is 2189667842039989531337987616768000
• The square root of 129855220320 is 360354.2983231919
• The cube root of 129855220320 is 5063.9157449749

Scales and comparisons

• 129,855,220,320 seconds is equal to 4,128 years, 51 weeks, 4 days, 22 hours, 32 minutes.
• To count from 1 to 129,855,220,320 would take you about eight thousand, two hundred fifty-seven 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 129855220320 cubic inches would be around 422 feet tall.

Recreational maths with 129855220320

• 129855220320 backwards is 023022558921
• The number of decimal digits it has is: 12
• The sum of 129855220320's digits is 39
• More coming soon!