21346877440

Names of 21346877440

• Cardinal: 21346877440 can be written as Twenty-one billion, three hundred forty-six million, eight hundred seventy-seven thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.134687744 × 10¹⁰

Factors of 21346877440

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 2673

Divisors of 21346877440

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 70 80 98 112 128 140 160 196 224 245 256 280 320 392 448 490 512 560 640 784 896 980 1024 1120 1280 1568 1792 1960 2048 2240 2560 2659 3136 3584 3920 4096 4480 5120 5318 6272 7168 7840 8192 8960 10240 10636 12544 13295 14336 15680 16384 17920 18613 20480 21272 25088 26590 28672 31360 32768 35840 37226 40960 42544 50176 53180 57344 62720 71680 74452 81920 85088 93065 100352 106360 114688 125440 130291 143360 148904 163840 170176 186130 200704 212720 229376 250880 260582 286720 297808 340352 372260 401408 425440 501760 521164 573440 595616 651455 680704 744520 802816 850880 1003520 1042328 1146880 1191232 1302910 1361408 1489040 1605632 1701760 2007040 2084656 2382464 2605820 2722816 2978080 3403520 4014080 4169312 4764928 5211640 5445632 5956160 6807040 8028160 8338624 9529856 10423280 10891264 11912320 13614080 16677248 19059712 20846560 21782528 23824640 27228160 33354496 38119424 41693120 43565056 47649280 54456320 66708992 76238848 83386240 87130112 95298560 108912640 133417984 152477696 166772480 190597120 217825280 266835968 304955392 333544960 381194240 435650560 533671936 609910784 667089920 762388480 1067343872 1334179840 1524776960 2134687744 2668359680 3049553920 4269375488 5336719360 10673438720 21346877440
• Sum of all divisors σ(n): 59618500200
• Sum of proper divisors (its aliquot sum) s(n): 38271622760
• 21346877440 is an abundant number, because the sum of its proper divisors (38271622760) is greater than itself. Its abundance is 16924745320

Bases of 21346877440

• Binary: 10011111000010111111000000000000000₂
• Hexadecimal: 0x4F85F8000
• Base-36: 9T1DO1S

Squares and roots of 21346877440

• 21346877440 squared (21346877440²) is 455689176438380953600
• 21346877440 cubed (21346877440³) is 9727541000164653928529526784000
• The square root of 21346877440 is 146105.7063909551
• The cube root of 21346877440 is 2774.0319081763

Scales and comparisons

• 21,346,877,440 seconds is equal to 678 years, 39 weeks, 5 days, 8 hours, 10 minutes, 40 seconds.
• To count from 1 to 21,346,877,440 would take you about one thousand, three hundred fifty-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 21346877440 cubic inches would be around 231.2 feet tall.

Recreational maths with 21346877440

• 21346877440 backwards is 04477864312
• The number of decimal digits it has is: 11
• The sum of 21346877440's digits is 46
• More coming soon!