123681987072

Names of 123681987072

• Cardinal: 123681987072 can be written as One hundred twenty-three billion, six hundred eighty-one million, nine hundred eighty-seven thousand and seventy-two.

Scientific notation

• Scientific notation: 1.23681987072 × 10¹¹

Factors of 123681987072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 4888

Divisors of 123681987072

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 81 84 89 96 108 112 126 128 144 162 168 178 189 192 216 224 252 256 267 288 324 336 356 378 384 432 448 504 512 534 567 576 623 648 672 712 756 768 801 864 896 1008 1068 1134 1152 1246 1296 1344 1424 1512 1536 1602 1728 1792 1869 2016 2136 2268 2304 2403 2492 2592 2688 2848 3024 3204 3456 3584 3738 4032 4272 4536 4608 4787 4806 4984 5184 5376 5607 5696 6048 6408 6912 7209 7476 8064 8544 9072 9574 9612 9968 10368 10752 11214 11392 12096 12816 13824 14361 14418 14952 16128 16821 17088 18144 19148 19224 19936 20736 22428 22784 24192 25632 28722 28836 29904 32256 33509 33642 34176 36288 38296 38448 39872 41472 43083 44856 45568 48384 50463 51264 57444 57672 59808 67018 67284 68352 72576 76592 76896 79744 86166 89712 96768 100527 100926 102528 114888 115344 119616 129249 134036 134568 136704 145152 153184 153792 159488 172332 179424 201054 201852 205056 229776 230688 239232 258498 268072 269136 290304 301581 306368 307584 318976 344664 358848 387747 402108 403704 410112 426043 459552 461376 478464 516996 536144 538272 603162 612736 615168 689328 717696 775494 804216 807408 852086 904743 919104 922752 956928 1033992 1072288 1076544 1206324 1225472 1230336 1278129 1378656 1435392 1550988 1608432 1614816 1704172 1809486 1838208 1845504 2067984 2144576 2153088 2412648 2450944 2556258 2714229 2757312 2870784 2982301 3101976 3216864 3229632 3408344 3618972 3676416 3691008 3834387 4135968 4289152 4306176 4825296 5112516 5428458 5514624 5964602 6203952 6433728 6459264 6816688 7237944 7352832 7668774 8271936 8578304 8612352 8946903 9650592 10225032 10856916 11029248 11503161 11929204 12407904 12867456 12918528 13633376 14475888 15337548 16543872 17156608 17893806 19301184 20450064 21713832 22058496 23006322 23858408 24815808 25734912 25837056 26840709 27266752 28951776 30675096 33087744 34509483 35787612 38602368 40900128 43427664 46012644 47716816 49631616 51469824 53681418 54533504 57903552 61350192 66175488 69018966 71575224 77204736 80522127 81800256 86855328 92025288 95433632 99263232 107362836 109067008 115807104 122700384 138037932 143150448 154409472 161044254 163600512 173710656 184050576 190867264 198526464 214725672 218134016 231614208 241566381 245400768 276075864 286300896 322088508 327201024 347421312 368101152 381734528 429451344 463228416 483132762 490801536 552151728 572601792 644177016 654402048 694842624 736202304 763469056 858902688 966265524 981603072 1104303456 1145203584 1288354032 1389685248 1472404608 1526938112 1717805376 1932531048 1963206144 2208606912 2290407168 2576708064 2944809216 3435610752 3865062096 4417213824 4580814336 5153416128 5889618432 6871221504 7730124192 8834427648 10306832256 13742443008 15460248384 17668855296 20613664512 30920496768 41227329024 61840993536 123681987072
• Sum of all divisors σ(n): 426724562880
• Sum of proper divisors (its aliquot sum) s(n): 303042575808
• 123681987072 is an abundant number, because the sum of its proper divisors (303042575808) is greater than itself. Its abundance is 179360588736

Bases of 123681987072

• Binary: 1110011001100000001010101101000000000₂
• Hexadecimal: 0x1CCC055A00
• Base-36: 1KTH2800

Squares and roots of 123681987072

• 123681987072 squared (123681987072²) is 15297233926078375133184
• 123681987072 cubed (123681987072³) is 1891992288682585396881229766197248
• The square root of 123681987072 is 351684.4993342755
• The cube root of 123681987072 is 4982.3643642967

Scales and comparisons

• 123,681,987,072 seconds is equal to 3,932 years, 36 weeks, 4 days, 11 hours, 31 minutes, 12 seconds.
• To count from 1 to 123,681,987,072 would take you about seven thousand, eight hundred sixty-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 123681987072 cubic inches would be around 415.2 feet tall.

Recreational maths with 123681987072

• 123681987072 backwards is 270789186321
• 123681987072 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 123681987072's digits is 54
• More coming soon!