78105378816

Names of 78105378816

• Cardinal: 78105378816 can be written as Seventy-eight billion, one hundred five million, three hundred seventy-eight thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 7.8105378816 × 10¹⁰

Factors of 78105378816

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 22
• Sum of prime factors: 599

Divisors of 78105378816

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 27 32 34 36 48 51 54 64 68 72 81 96 102 108 128 136 144 153 162 192 204 216 243 256 272 288 306 324 384 408 432 459 486 512 544 576 577 612 648 768 816 864 918 972 1024 1088 1152 1154 1224 1296 1377 1536 1632 1728 1731 1836 1944 2048 2176 2304 2308 2448 2592 2754 3072 3264 3456 3462 3672 3888 4096 4131 4352 4608 4616 4896 5184 5193 5508 6144 6528 6912 6924 7344 7776 8192 8262 8704 9216 9232 9792 9809 10368 10386 11016 12288 13056 13824 13848 14688 15552 15579 16384 16524 17408 18432 18464 19584 19618 20736 20772 22032 24576 26112 27648 27696 29376 29427 31104 31158 32768 33048 34816 36864 36928 39168 39236 41472 41544 44064 46737 49152 52224 55296 55392 58752 58854 62208 62316 66096 69632 73728 73856 78336 78472 82944 83088 88128 88281 93474 98304 104448 110592 110784 117504 117708 124416 124632 132192 139264 140211 147456 147712 156672 156944 165888 166176 176256 176562 186948 208896 221184 221568 235008 235416 248832 249264 264384 264843 278528 280422 294912 295424 313344 313888 331776 332352 352512 353124 373896 417792 442368 443136 470016 470832 497664 498528 528768 529686 557056 560844 590848 626688 627776 663552 664704 705024 706248 747792 794529 835584 884736 886272 940032 941664 995328 997056 1057536 1059372 1121688 1181696 1253376 1255552 1327104 1329408 1410048 1412496 1495584 1589058 1671168 1772544 1880064 1883328 1990656 1994112 2115072 2118744 2243376 2363392 2383587 2506752 2511104 2654208 2658816 2820096 2824992 2991168 3178116 3545088 3760128 3766656 3981312 3988224 4230144 4237488 4486752 4726784 4767174 5013504 5022208 5317632 5640192 5649984 5982336 6356232 7090176 7520256 7533312 7962624 7976448 8460288 8474976 8973504 9453568 9534348 10044416 10635264 11280384 11299968 11964672 12712464 14180352 15040512 15066624 15952896 16920576 16949952 17947008 18907136 19068696 20088832 21270528 22560768 22599936 23929344 25424928 28360704 30133248 31905792 33841152 33899904 35894016 38137392 40177664 42541056 45121536 45199872 47858688 50849856 56721408 60266496 63811584 67682304 67799808 71788032 76274784 80355328 85082112 90399744 95717376 101699712 120532992 127623168 135364608 135599616 143576064 152549568 160710656 170164224 180799488 191434752 203399424 241065984 255246336 271199232 287152128 305099136 321421312 361598976 382869504 406798848 482131968 510492672 542398464 574304256 610198272 723197952 765739008 813597696 964263936 1084796928 1148608512 1220396544 1446395904 1531478016 1627195392 2169593856 2297217024 2440793088 2892791808 3254390784 4339187712 4594434048 4881586176 6508781568 8678375424 9763172352 13017563136 19526344704 26035126272 39052689408 78105378816
• Sum of all divisors σ(n): 248184714960
• Sum of proper divisors (its aliquot sum) s(n): 170079336144
• 78105378816 is an abundant number, because the sum of its proper divisors (170079336144) is greater than itself. Its abundance is 91973957328

Bases of 78105378816

• Binary: 1001000101111011100011000000000000000₂
• Hexadecimal: 0x122F718000
• Base-36: ZVPXC00

Squares and roots of 78105378816

• 78105378816 squared (78105378816²) is 6100450199990861561856
• 78105378816 cubed (78105378816³) is 476477973818429202026976296042496
• The square root of 78105378816 is 279473.3955424023
• The cube root of 78105378816 is 4274.5819513645

Scales and comparisons

• 78,105,378,816 seconds is equal to 2,483 years, 26 weeks, 3 days, 10 hours, 33 minutes, 36 seconds.
• To count from 1 to 78,105,378,816 would take you about four thousand, nine hundred sixty-seven 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 78105378816 cubic inches would be around 356.2 feet tall.

Recreational maths with 78105378816

• 78105378816 backwards is 61887350187
• 78105378816 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 78105378816's digits is 54
• More coming soon!