6881513940

Names of 6881513940

• Cardinal: 6881513940 can be written as Six billion, eight hundred eighty-one million, five hundred thirteen thousand, nine hundred forty.

Scientific notation

• Scientific notation: 6.88151394 × 10⁹

Factors of 6881513940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5335

Divisors of 6881513940

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 49 60 63 70 84 90 98 105 126 140 147 151 180 196 210 245 252 294 302 315 420 441 453 490 588 604 630 735 755 882 906 980 1057 1260 1359 1470 1510 1764 1812 2114 2205 2265 2718 2940 3020 3171 4228 4410 4530 5167 5285 5436 6342 6795 7399 8820 9060 9513 10334 10570 12684 13590 14798 15501 15855 19026 20668 21140 22197 25835 27180 29596 31002 31710 36169 36995 38052 44394 46503 47565 51670 62004 63420 66591 72338 73990 77505 88788 93006 95130 103340 108507 110985 133182 144676 147980 155010 180845 186012 190260 217014 221970 232515 253183 266364 310020 325521 332955 361690 434028 443940 465030 506366 542535 651042 665910 723380 759549 780217 930060 1012732 1085070 1265915 1302084 1331820 1519098 1560434 1627605 2170140 2278647 2340651 2531830 3038196 3120868 3255210 3797745 3901085 4557294 4681302 5063660 5461519 6510420 7021953 7595490 7802170 9114588 9362604 10923038 11393235 11703255 14043906 15190980 15604340 16384557 21846076 22786470 23406510 27307595 28087812 32769114 35109765 38230633 45572940 46813020 49153671 54615190 65538228 70219530 76461266 81922785 98307342 109230380 114691899 140439060 152922532 163845570 191153165 196614684 229383798 245768355 327691140 344075697 382306330 458767596 491536710 573459495 688151394 764612660 983073420 1146918990 1376302788 1720378485 2293837980 3440756970 6881513940
• Sum of all divisors σ(n): 24447451392
• Sum of proper divisors (its aliquot sum) s(n): 17565937452
• 6881513940 is an abundant number, because the sum of its proper divisors (17565937452) is greater than itself. Its abundance is 10684423512

Bases of 6881513940

• Binary: 110011010001010111001000111010100₂
• Hexadecimal: 0x19A2B91D4
• Base-36: 35T2Q50

Squares and roots of 6881513940

• 6881513940 squared (6881513940²) is 47355234106414323600
• 6881513940 cubed (6881513940³) is 325875703635253611269070984000
• The square root of 6881513940 is 82954.8909950463
• The cube root of 6881513940 is 1902.0765790965

Scales and comparisons

• 6,881,513,940 seconds is equal to 218 years, 42 weeks, 1 day, 3 hours, 39 minutes.
• To count from 1 to 6,881,513,940 would take you about four hundred thirty-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 6881513940 cubic inches would be around 158.5 feet tall.

Recreational maths with 6881513940

• 6881513940 backwards is 0493151886
• 6881513940 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 6881513940's digits is 45
• More coming soon!