12845725440

Names of 12845725440

• Cardinal: 12845725440 can be written as Twelve billion, eight hundred forty-five million, seven hundred twenty-five thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.284572544 × 10¹⁰

Factors of 12845725440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 100

Divisors of 12845725440

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 32 40 48 59 60 62 64 80 93 96 118 120 124 128 155 160 177 186 192 236 240 248 256 295 310 320 354 372 384 465 472 480 496 590 620 640 708 744 768 885 930 944 960 961 992 1180 1240 1280 1416 1488 1770 1829 1860 1888 1920 1922 1984 2360 2480 2832 2883 2976 3481 3540 3658 3720 3776 3840 3844 3968 4720 4805 4960 5487 5664 5766 5952 6962 7080 7316 7440 7552 7688 7936 9145 9440 9610 9920 10443 10974 11328 11532 11904 13924 14160 14415 14632 14880 15104 15376 17405 18290 18880 19220 19840 20886 21948 22656 23064 23808 27435 27848 28320 28830 29264 29760 30752 34810 36580 37760 38440 39680 41772 43896 45312 46128 52215 54870 55696 56640 56699 57660 58528 59520 61504 69620 73160 75520 76880 83544 87792 92256 104430 107911 109740 111392 113280 113398 115320 117056 119040 123008 139240 146320 153760 167088 170097 175584 184512 208860 215822 219480 222784 226560 226796 230640 234112 246016 278480 283495 292640 307520 323733 334176 340194 351168 369024 417720 431644 438960 445568 453592 461280 468224 539555 556960 566990 585280 615040 647466 668352 680388 702336 738048 835440 850485 863288 877920 891136 907184 922560 1079110 1113920 1133980 1170560 1230080 1294932 1336704 1360776 1404672 1618665 1670880 1700970 1726576 1755840 1814368 1845120 2158220 2227840 2267960 2341120 2589864 2673408 2721552 3237330 3341760 3345241 3401940 3453152 3511680 3628736 3690240 4316440 4455680 4535920 5179728 5443104 6474660 6683520 6690482 6803880 6906304 7023360 7257472 8632880 9071840 10035723 10359456 10886208 12949320 13367040 13380964 13607760 13812608 14514944 16726205 17265760 18143680 20071446 20718912 21772416 25898640 26761928 27215520 27625216 33452410 34531520 36287360 40142892 41437824 43544832 50178615 51797280 53523856 54431040 66904820 69063040 72574720 80285784 82875648 100357230 103594560 107047712 108862080 133809640 138126080 160571568 200714460 207189120 214095424 217724160 267619280 321143136 401428920 414378240 428190848 535238560 642286272 802857840 856381696 1070477120 1284572544 1605715680 2140954240 2569145088 3211431360 4281908480 6422862720 12845725440
• Sum of all divisors σ(n): 43122836232
• Sum of proper divisors (its aliquot sum) s(n): 30277110792
• 12845725440 is an abundant number, because the sum of its proper divisors (30277110792) is greater than itself. Its abundance is 17431385352

Bases of 12845725440

• Binary: 1011111101101010100011011100000000₂
• Hexadecimal: 0x2FDAA3700
• Base-36: 5WG0H6O

Squares and roots of 12845725440

• 12845725440 squared (12845725440²) is 165012662079863193600
• 12845725440 cubed (12845725440³) is 2119707351201421937747165184000
• The square root of 12845725440 is 113338.9846434139
• The cube root of 12845725440 is 2341.9963385907

Scales and comparisons

• 12,845,725,440 seconds is equal to 408 years, 23 weeks, 4 days, 9 hours, 4 minutes.
• To count from 1 to 12,845,725,440 would take you about eight hundred sixteen 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 12845725440 cubic inches would be around 195.2 feet tall.

Recreational maths with 12845725440

• 12845725440 backwards is 04452754821
• The number of decimal digits it has is: 11
• The sum of 12845725440's digits is 42
• More coming soon!