72940345920

Names of 72940345920

• Cardinal: 72940345920 can be written as Seventy-two billion, nine hundred forty million, three hundred forty-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 7.294034592 × 10¹⁰

Factors of 72940345920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 149884

Divisors of 72940345920

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 32 36 39 40 45 48 52 60 64 65 72 78 80 90 96 104 117 120 130 144 156 160 169 180 192 195 208 234 240 260 288 312 320 338 360 390 416 468 480 507 520 576 585 624 676 720 780 832 845 936 960 1014 1040 1170 1248 1352 1440 1521 1560 1690 1872 2028 2080 2340 2496 2535 2704 2880 3042 3120 3380 3744 4056 4160 4680 5070 5408 6084 6240 6760 7488 7605 8112 9360 10140 10816 12168 12480 13520 15210 16224 18720 20280 24336 27040 30420 32448 37440 40560 48672 54080 60840 81120 97344 121680 149861 162240 243360 299722 449583 486720 599444 749305 899166 1198888 1348749 1498610 1798332 1948193 2247915 2397776 2697498 2997220 3596664 3896386 4495830 4795552 5394996 5844579 5994440 6743745 7193328 7792772 8991660 9591104 9740965 10789992 11689158 11988880 13487490 14386656 15585544 17533737 17983320 19481930 21579984 23378316 23977760 25326509 26974980 28773312 29222895 31171088 35067474 35966640 38963860 43159968 46756632 47955520 50653018 53949960 58445790 62342176 70134948 71933280 75979527 77927720 86319936 87668685 93513264 101306036 107899920 116891580 124684352 126632545 140269896 143866560 151959054 155855440 175337370 187026528 202612072 215799840 227938581 233783160 253265090 280539792 303918108 311710880 350674740 374053056 379897635 405224144 431599680 455877162 467566320 506530180 561079584 607836216 623421760 701349480 759795270 810448288 911754324 935132640 1013060360 1122159168 1139692905 1215672432 1402698960 1519590540 1620896576 1823508648 1870265280 2026120720 2279385810 2431344864 2805397920 3039181080 3647017296 4052241440 4558771620 4862689728 5610795840 6078362160 7294034592 8104482880 9117543240 12156724320 14588069184 18235086480 24313448640 36470172960 72940345920
• Sum of all divisors σ(n): 271669533876
• Sum of proper divisors (its aliquot sum) s(n): 198729187956
• 72940345920 is an abundant number, because the sum of its proper divisors (198729187956) is greater than itself. Its abundance is 125788842036

Bases of 72940345920

• Binary: 1000011111011100101010101101001000000₂
• Hexadecimal: 0x10FB955A40
• Base-36: XIASR40

Squares and roots of 72940345920

• 72940345920 squared (72940345920²) is 5320294062929260646400
• 72940345920 cubed (72940345920³) is 388064089346182520038258802688000
• The square root of 72940345920 is 270074.7043319681
• The cube root of 72940345920 is 4178.2004631521

Scales and comparisons

• 72,940,345,920 seconds is equal to 2,319 years, 14 weeks, 2 days, 23 hours, 12 minutes.
• To count from 1 to 72,940,345,920 would take you about four thousand, six hundred thirty-eight 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 72940345920 cubic inches would be around 348.2 feet tall.

Recreational maths with 72940345920

• 72940345920 backwards is 02954304927
• 72940345920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72940345920's digits is 45
• More coming soon!