21123513137600

Names of 21123513137600

• Cardinal: 21123513137600 can be written as Twenty-one trillion, one hundred twenty-three billion, five hundred thirteen million, one hundred thirty-seven thousand, six hundred.

Scientific notation

• Scientific notation: 2.11235131376 × 10¹³

Factors of 21123513137600

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 7218356

Divisors of 21123513137600

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 31 32 40 50 59 62 64 80 100 118 124 155 160 200 236 248 295 310 320 400 472 496 590 620 775 800 944 992 1180 1240 1475 1550 1600 1829 1888 1984 2360 2480 2950 3100 3658 3776 4720 4960 5900 6200 7316 9145 9440 9920 11800 12400 14632 18290 18880 23600 24800 29264 36580 45725 47200 49600 58528 73160 91450 94400 117056 146320 182900 292640 365800 585280 731600 1463200 2926400 7218259 14436518 28873036 36091295 57746072 72182590 115492144 144365180 180456475 223766029 230984288 288730360 360912950 425877281 447532058 461968576 577460720 721825900 851754562 895064116 1118830145 1154921440 1443651800 1703509124 1790128232 2129386405 2237660290 2309842880 2887303600 3407018248 3580256464 4258772810 4475320580 5594150725 5774607200 6814036496 7160512928 8517545620 8950641160 10646932025 11188301450 11549214400 13202195711 13628072992 14321025856 17035091240 17901282320 21293864050 22376602900 26404391422 27256145984 34070182480 35802564640 42587728100 44753205800 52808782844 66010978555 68140364960 71605129280 85175456200 89506411600 105617565688 132021957110 136280729920 170350912400 179012823200 211235131376 264043914220 330054892775 340701824800 358025646400 422470262752 528087828440 660109785550 681403649600 844940525504 1056175656880 1320219571100 2112351313760 2640439142200 4224702627520 5280878284400 10561756568800 21123513137600
• Sum of all divisors σ(n): 54563116070400
• Sum of proper divisors (its aliquot sum) s(n): 33439602932800
• 21123513137600 is an abundant number, because the sum of its proper divisors (33439602932800) is greater than itself. Its abundance is 12316089795200

Bases of 21123513137600

• Binary: 100110011011000110011011111110011100111000000₂
• Hexadecimal: 0x1336337F39C0
• Base-36: 7HK0ABUM8

Squares and roots of 21123513137600

• 21123513137600 squared (21123513137600²) is 446202807274359796533760000
• 21123513137600 cubed (21123513137600³) is 9425370861493940009710142301925376000000
• The square root of 21123513137600 is 4596032.3255608201
• The cube root of 21123513137600 is 27643.2254908591

Scales and comparisons

• 21,123,513,137,600 seconds is equal to 671,662 years, 19 weeks, 4 days, 18 hours, 13 minutes, 20 seconds.
• To count from 1 to 21,123,513,137,600 would take you about one million, six hundred seventy-nine thousand, one hundred fifty-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 21123513137600 cubic inches would be around 2303.6 feet tall.

Recreational maths with 21123513137600

• 21123513137600 backwards is 00673131532112
• The number of decimal digits it has is: 14
• The sum of 21123513137600's digits is 35
• More coming soon!