161378038120

Names of 161378038120

• Cardinal: 161378038120 can be written as One hundred sixty-one billion, three hundred seventy-eight million, thirty-eight thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.6137803812 × 10¹¹

Factors of 161378038120

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 97255

Divisors of 161378038120

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 8 10 13 20 23 26 40 46 52 65 92 104 115 130 139 184 230 260 278 299 460 520 556 598 695 920 1112 1196 1390 1495 1807 2392 2780 2990 3197 3614 5560 5980 6394 7228 9035 11960 12788 14456 15985 18070 25576 31970 36140 41561 63940 72280 83122 97073 127880 166244 194146 207805 332488 388292 415610 485365 776584 831220 970730 1261949 1662440 1941460 2232679 2523898 3882920 4465358 5047796 6309745 8930716 10095592 11163395 12619490 13493147 17861432 22326790 25238980 26986294 29024827 44653580 50477960 53972588 58049654 67465735 89307160 107945176 116099308 134931470 145124135 175410911 232198616 269862940 290248270 310342381 350821822 539725880 580496540 620684762 701643644 877054555 1160993080 1241369524 1403287288 1551711905 1754109110 2482739048 3103423810 3508218220 4034450953 6206847620 7016436440 8068901906 12413695240 16137803812 20172254765 32275607624 40344509530 80689019060 161378038120
• Sum of all divisors σ(n): 410972486400
• Sum of proper divisors (its aliquot sum) s(n): 249594448280
• 161378038120 is an abundant number, because the sum of its proper divisors (249594448280) is greater than itself. Its abundance is 88216410160

Bases of 161378038120

• Binary: 10010110010010111000010111000101101000₂
• Hexadecimal: 0x2592E17168
• Base-36: 224WBF54

Squares and roots of 161378038120

• 161378038120 squared (161378038120²) is 26042871187460173134400
• 161378038120 cubed (161378038120³) is 4202747459244197486065003083328000
• The square root of 161378038120 is 401718.8545736933
• The cube root of 161378038120 is 5444.3764131361

Scales and comparisons

• 161,378,038,120 seconds is equal to 5,131 years, 16 weeks, 5 days, 8 hours, 48 minutes, 40 seconds.
• To count from 1 to 161,378,038,120 would take you about ten thousand, two hundred sixty-two 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 161378038120 cubic inches would be around 453.7 feet tall.

Recreational maths with 161378038120

• 161378038120 backwards is 021830873161
• 161378038120 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 161378038120's digits is 40
• More coming soon!