138537850880

Names of 138537850880

• Cardinal: 138537850880 can be written as One hundred thirty-eight billion, five hundred thirty-seven million, eight hundred fifty thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 1.3853785088 × 10¹¹

Factors of 138537850880

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 2625

Divisors of 138537850880

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 8 10 11 13 16 20 22 26 32 37 40 44 52 55 64 65 74 80 88 104 110 128 130 143 148 160 176 185 208 220 256 260 286 296 320 352 370 407 416 440 481 512 520 572 592 640 704 715 740 814 832 880 962 1024 1040 1144 1184 1280 1408 1430 1480 1628 1664 1760 1924 2035 2048 2080 2288 2368 2405 2557 2560 2816 2860 2960 3256 3328 3520 3848 4070 4160 4576 4736 4810 5114 5120 5291 5632 5720 5920 6512 6656 7040 7696 8140 8320 9152 9472 9620 10228 10240 10582 11264 11440 11840 12785 13024 13312 14080 15392 16280 16640 18304 18944 19240 20456 21164 22528 22880 23680 25570 26048 26455 26624 28127 28160 30784 32560 33241 33280 36608 37888 38480 40912 42328 45760 47360 51140 52096 52910 56254 56320 61568 65120 66482 66560 73216 75776 76960 81824 84656 91520 94609 94720 102280 104192 105820 112508 112640 123136 130240 132964 133120 140635 146432 153920 163648 166205 169312 183040 189218 189440 204560 208384 211640 225016 246272 260480 265928 281270 292864 307840 327296 332410 338624 365651 366080 378436 378880 409120 416768 423280 450032 473045 492544 520960 531856 562540 615680 654592 664820 677248 731302 732160 756872 818240 833536 846560 900064 946090 985088 1040699 1041920 1063712 1125080 1229917 1231360 1309184 1329640 1354496 1462604 1464320 1513744 1636480 1693120 1800128 1828255 1892180 2081398 2083840 2127424 2250160 2459834 2462720 2618368 2659280 2708992 2925208 3027488 3272960 3386240 3600256 3656510 3784360 4162796 4167680 4254848 4500320 4919668 4925440 5203495 5236736 5318560 5417984 5850416 6054976 6149585 6545920 6772480 7200512 7313020 7568720 8325592 8509696 9000640 9839336 10406990 10637120 10835968 11700832 12109952 12299170 13091840 13529087 13544960 14401024 14626040 15137440 16651184 17019392 18001280 19678672 20813980 21274240 23401664 24219904 24598340 26183680 27058174 27089920 28802048 29252080 30274880 33302368 34038784 36002560 39357344 41627960 42548480 46803328 48439808 49196680 54116348 54179840 57604096 58504160 60549760 66604736 67645435 68077568 72005120 78714688 83255920 85096960 93606656 96879616 98393360 108232696 117008320 121099520 133209472 135290870 144010240 157429376 166511840 170193920 187213312 193759232 196786720 216465392 234016640 242199040 266418944 270581740 288020480 314858752 333023680 340387840 374426624 393573440 432930784 468033280 484398080 532837888 541163480 629717504 666047360 748853248 787146880 865861568 936066560 968796160 1065675776 1082326960 1259435008 1332094720 1574293760 1731723136 1872133120 2131351552 2164653920 2518870016 2664189440 3148587520 3463446272 3744266240 4329307840 5328378880 6297175040 6926892544 8658615680 10656757760 12594350080 13853785088 17317231360 27707570176 34634462720 69268925440 138537850880
• Sum of all divisors σ(n): 401234783040
• Sum of proper divisors (its aliquot sum) s(n): 262696932160
• 138537850880 is an abundant number, because the sum of its proper divisors (262696932160) is greater than itself. Its abundance is 124159081280

Bases of 138537850880

• Binary: 10000001000001011111111101100000000000₂
• Hexadecimal: 0x20417FD800
• Base-36: 1RN5UXVK

Squares and roots of 138537850880

• 138537850880 squared (138537850880²) is 19192736126449116774400
• 138537850880 cubed (138537850880³) is 2658920415465196563599533801472000
• The square root of 138537850880 is 372206.7313738429
• The cube root of 138537850880 is 5174.3541354263

Scales and comparisons

• 138,537,850,880 seconds is equal to 4,405 years, 3 weeks, 6 days, 8 hours, 21 minutes, 20 seconds.
• To count from 1 to 138,537,850,880 would take you about eight thousand, eight hundred ten 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 138537850880 cubic inches would be around 431.2 feet tall.

Recreational maths with 138537850880

• 138537850880 backwards is 088058735831
• The number of decimal digits it has is: 12
• The sum of 138537850880's digits is 56
• More coming soon!