12117155840

Names of 12117155840

• Cardinal: 12117155840 can be written as Twelve billion, one hundred seventeen million, one hundred fifty-five thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.211715584 × 10¹⁰

Factors of 12117155840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 137

Divisors of 12117155840

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 4 5 8 10 16 20 29 32 40 58 64 80 101 116 128 145 160 202 232 256 290 320 404 464 505 512 580 640 808 928 1010 1024 1160 1280 1616 1856 2020 2048 2320 2560 2929 3232 3712 4040 4096 4640 5120 5858 6464 7424 8080 8192 9280 10201 10240 11716 12928 14645 14848 16160 18560 20402 20480 23432 25856 29290 29696 32320 37120 40804 40960 46864 51005 51712 58580 59392 64640 74240 81608 93728 102010 103424 117160 118784 129280 148480 163216 187456 204020 206848 234320 237568 258560 295829 296960 326432 374912 408040 413696 468640 517120 591658 593920 652864 749824 816080 827392 937280 1034240 1183316 1187840 1305728 1479145 1499648 1632160 1874560 2068480 2366632 2611456 2958290 2999296 3264320 3749120 4136960 4733264 5222912 5916580 5998592 6528640 7498240 9466528 10445824 11833160 11997184 13057280 14996480 18933056 20891648 23666320 23994368 26114560 29992960 37866112 41783296 47332640 52229120 59985920 75732224 83566592 94665280 104458240 119971840 151464448 189330560 208916480 302928896 378661120 417832960 605857792 757322240 1211715584 1514644480 2423431168 3029288960 6058577920 12117155840
• Sum of all divisors σ(n): 30382928820
• Sum of proper divisors (its aliquot sum) s(n): 18265772980
• 12117155840 is an abundant number, because the sum of its proper divisors (18265772980) is greater than itself. Its abundance is 6148617140

Bases of 12117155840

• Binary: 1011010010001111010010000000000000₂
• Hexadecimal: 0x2D23D2000
• Base-36: 5KE8PA8

Squares and roots of 12117155840

• 12117155840 squared (12117155840²) is 146825465650846105600
• 12117155840 cubed (12117155840³) is 1779107048571869289412296704000
• The square root of 12117155840 is 110077.9534693483
• The cube root of 12117155840 is 2296.8549224747

Scales and comparisons

• 12,117,155,840 seconds is equal to 385 years, 14 weeks, 6 days, 20 hours, 37 minutes, 20 seconds.
• To count from 1 to 12,117,155,840 would take you about seven hundred seventy 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 12117155840 cubic inches would be around 191.4 feet tall.

Recreational maths with 12117155840

• 12117155840 backwards is 04855171121
• The number of decimal digits it has is: 11
• The sum of 12117155840's digits is 35
• More coming soon!