7128983680

Names of 7128983680

• Cardinal: 7128983680 can be written as Seven billion, one hundred twenty-eight million, nine hundred eighty-three thousand, six hundred eighty.

Scientific notation

• Scientific notation: 7.12898368 × 10⁹

Factors of 7128983680

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1259

Divisors of 7128983680

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 52 56 64 65 70 80 91 104 109 112 128 130 140 160 182 208 218 224 260 280 320 364 416 436 448 455 520 545 560 640 728 763 832 872 896 910 1040 1090 1120 1123 1417 1456 1526 1664 1744 1820 2080 2180 2240 2246 2834 2912 3052 3488 3640 3815 4160 4360 4480 4492 5615 5668 5824 6104 6976 7085 7280 7630 7861 8320 8720 8984 9919 11230 11336 11648 12208 13952 14170 14560 14599 15260 15722 17440 17968 19838 22460 22672 24416 28340 29120 29198 30520 31444 34880 35936 39305 39676 44920 45344 48832 49595 56680 58240 58396 61040 62888 69760 71872 72995 78610 79352 89840 90688 97664 99190 102193 113360 116792 122080 122407 125776 143744 145990 157220 158704 179680 181376 198380 204386 226720 233584 244160 244814 251552 291980 314440 317408 359360 396760 408772 453440 467168 488320 489628 503104 510965 583960 612035 628880 634816 718720 793520 817544 856849 906880 934336 979256 1006208 1021930 1167920 1224070 1257760 1269632 1587040 1591291 1635088 1713698 1868672 1958512 2043860 2335840 2448140 2515520 3174080 3182582 3270176 3427396 3917024 4087720 4284245 4671680 4896280 5031040 6348160 6365164 6540352 6854792 7834048 7956455 8175440 8568490 9343360 9792560 11139037 12730328 13080704 13709584 15668096 15912910 16350880 17136980 19585120 22278074 25460656 27419168 31825820 32701760 34273960 39170240 44556148 50921312 54838336 55695185 63651640 65403520 68547920 78340480 89112296 101842624 109676672 111390370 127303280 137095840 178224592 203685248 222780740 254606560 274191680 356449184 445561480 509213120 548383360 712898368 891122960 1018426240 1425796736 1782245920 3564491840 7128983680
• Sum of all divisors σ(n): 21186950400
• Sum of proper divisors (its aliquot sum) s(n): 14057966720
• 7128983680 is an abundant number, because the sum of its proper divisors (14057966720) is greater than itself. Its abundance is 6928983040

Bases of 7128983680

• Binary: 110101000111010111010100010000000₂
• Hexadecimal: 0x1A8EBA880
• Base-36: 39WEV0G

Squares and roots of 7128983680

• 7128983680 squared (7128983680²) is 50822408309706342400
• 7128983680 cubed (7128983680³) is 362312119418192900562092032000
• The square root of 7128983680 is 84433.3090669789
• The cube root of 7128983680 is 1924.6091233129

Scales and comparisons

• 7,128,983,680 seconds is equal to 226 years, 35 weeks, 2 days, 9 hours, 14 minutes, 40 seconds.
• To count from 1 to 7,128,983,680 would take you about four hundred fifty-three 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 7128983680 cubic inches would be around 160.4 feet tall.

Recreational maths with 7128983680

• 7128983680 backwards is 0863898217
• 7128983680 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 7128983680's digits is 52
• More coming soon!