13212705920

Names of 13212705920

• Cardinal: 13212705920 can be written as Thirteen billion, two hundred twelve million, seven hundred five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.321270592 × 10¹⁰

Factors of 13212705920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 555

Divisors of 13212705920

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 8 10 16 20 31 32 37 40 41 62 64 74 80 82 124 128 148 155 160 164 185 205 248 296 310 320 328 370 410 439 496 592 620 640 656 740 820 878 992 1147 1184 1240 1271 1312 1480 1517 1640 1756 1984 2195 2294 2368 2480 2542 2624 2960 3034 3280 3512 3968 4390 4588 4736 4960 5084 5248 5735 5920 6068 6355 6560 7024 7585 8780 9176 9920 10168 11470 11840 12136 12710 13120 13609 14048 15170 16243 17560 17999 18352 19840 20336 22940 23680 24272 25420 26240 27218 28096 30340 32486 35120 35998 36704 40672 45880 47027 48544 50840 54436 56192 60680 64972 68045 70240 71996 73408 81215 81344 89995 91760 94054 97088 101680 108872 121360 129944 136090 140480 143992 146816 162430 162688 179990 183520 188108 194176 203360 217744 235135 242720 259888 272180 280960 287984 324860 359980 367040 376216 406720 435488 470270 485440 503533 519776 544360 557969 575968 649720 665963 719960 734080 752432 813440 870976 940540 970880 1007066 1039552 1088720 1115938 1151936 1299440 1331926 1439920 1504864 1741952 1881080 2014132 2079104 2177440 2231876 2303872 2517665 2598880 2663852 2789845 2879840 3009728 3329815 3762160 4028264 4354880 4463752 5035330 5197760 5327704 5579690 5759680 6019456 6659630 7524320 8056528 8709760 8927504 10070660 10395520 10655408 11159380 11519360 13319260 15048640 16113056 17855008 20141320 20644853 21310816 22318760 26638520 30097280 32226112 35710016 40282640 41289706 42621632 44637520 53277040 64452224 71420032 80565280 82579412 85243264 89275040 103224265 106554080 161130560 165158824 178550080 206448530 213108160 322261120 330317648 357100160 412897060 426216320 660635296 825794120 1321270592 1651588240 2642541184 3303176480 6606352960 13212705920
• Sum of all divisors σ(n): 34381670400
• Sum of proper divisors (its aliquot sum) s(n): 21168964480
• 13212705920 is an abundant number, because the sum of its proper divisors (21168964480) is greater than itself. Its abundance is 7956258560

Bases of 13212705920

• Binary: 1100010011100010011110010010000000₂
• Hexadecimal: 0x31389E480
• Base-36: 62II54W

Squares and roots of 13212705920

• 13212705920 squared (13212705920²) is 174575597728403046400
• 13212705920 cubed (13212705920³) is 2306616033593609483315314688000
• The square root of 13212705920 is 114946.5350499961
• The cube root of 13212705920 is 2364.0895481915

Scales and comparisons

• 13,212,705,920 seconds is equal to 420 years, 6 weeks, 2 days, 20 hours, 5 minutes, 20 seconds.
• To count from 1 to 13,212,705,920 would take you about eight hundred forty 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 13212705920 cubic inches would be around 197 feet tall.

Recreational maths with 13212705920

• 13212705920 backwards is 02950721231
• 13212705920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13212705920's digits is 32
• More coming soon!