40408157440

Names of 40408157440

• Cardinal: 40408157440 can be written as Forty billion, four hundred eight million, one hundred fifty-seven thousand, four hundred forty.

Scientific notation

• Scientific notation: 4.040815744 × 10¹⁰

Factors of 40408157440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 6014

Divisors of 40408157440

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 256 280 320 448 560 640 881 896 1120 1280 1762 1792 2240 3524 4405 4480 5119 6167 7048 8810 8960 10238 12334 14096 17620 20476 24668 25595 28192 30835 35240 35833 40952 49336 51190 56384 61670 70480 71666 81904 98672 102380 112768 123340 140960 143332 163808 179165 197344 204760 225536 246680 281920 286664 327616 358330 394688 409520 493360 563840 573328 655232 716660 789376 819040 986720 1127680 1146656 1310464 1433320 1578752 1638080 1973440 2293312 2866640 3276160 3946880 4509839 4586624 5733280 6552320 7893760 9019678 9173248 11466560 18039356 22549195 22933120 31568873 36078712 45098390 45866240 63137746 72157424 90196780 126275492 144314848 157844365 180393560 252550984 288629696 315688730 360787120 505101968 577259392 631377460 721574240 1010203936 1154518784 1262754920 1443148480 2020407872 2525509840 2886296960 4040815744 5051019680 5772593920 8081631488 10102039360 20204078720 40408157440
• Sum of all divisors σ(n): 110764523520
• Sum of proper divisors (its aliquot sum) s(n): 70356366080
• 40408157440 is an abundant number, because the sum of its proper divisors (70356366080) is greater than itself. Its abundance is 29948208640

Bases of 40408157440

• Binary: 100101101000100000111000110100000000₂
• Hexadecimal: 0x968838D00
• Base-36: IK9Z1TS

Squares and roots of 40408157440

• 40408157440 squared (40408157440²) is 1632819187695827353600
• 40408157440 cubed (40408157440³) is 65979214807465902535327350784000
• The square root of 40408157440 is 201017.8037886197
• The cube root of 40408157440 is 3431.5448743813

Scales and comparisons

• 40,408,157,440 seconds is equal to 1,284 years, 44 weeks, 3 days, 10 minutes, 40 seconds.
• To count from 1 to 40,408,157,440 would take you about two thousand, five hundred sixty-nine 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 40408157440 cubic inches would be around 286 feet tall.

Recreational maths with 40408157440

• 40408157440 backwards is 04475180404
• The number of decimal digits it has is: 11
• The sum of 40408157440's digits is 37
• More coming soon!