400070431872

Names of 400070431872

• Cardinal: 400070431872 can be written as Four hundred billion, seventy million, four hundred thirty-one thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 4.00070431872 × 10¹¹

Factors of 400070431872

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 20428455

Divisors of 400070431872

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 48 51 64 68 72 96 102 128 136 144 153 192 204 272 288 306 384 408 544 576 612 816 1088 1152 1224 1632 2176 2448 3264 4896 6528 9792 19584 20428433 40856866 61285299 81713732 122570598 163427464 183855897 245141196 326854928 347283361 367711794 490282392 653709856 694566722 735423588 980564784 1041850083 1307419712 1389133444 1470847176 1961129568 2083700166 2614839424 2778266888 2941694352 3125550249 3922259136 4167400332 5556533776 5883388704 6251100498 7844518272 8334800664 11113067552 11766777408 12502200996 16669601328 22226135104 23533554816 25004401992 33339202656 44452270208 50008803984 66678405312 100017607968 133356810624 200035215936 400070431872
• Sum of all divisors σ(n): 1218964656780
• Sum of proper divisors (its aliquot sum) s(n): 818894224908
• 400070431872 is an abundant number, because the sum of its proper divisors (818894224908) is greater than itself. Its abundance is 418823793036

Bases of 400070431872

• Binary: 101110100100110000011100101010010000000₂
• Hexadecimal: 0x5D260E5480
• Base-36: 53SFLSW0

Squares and roots of 400070431872

• 400070431872 squared (400070431872²) is 160056350458248593424384
• 400070431872 cubed (400070431872³) is 64033813251687699876029846255566848
• The square root of 400070431872 is 632511.2108666533
• The cube root of 400070431872 is 7368.4954272927

Scales and comparisons

• 400,070,431,872 seconds is equal to 12,721 years, 19 hours, 31 minutes, 12 seconds.
• To count from 1 to 400,070,431,872 would take you about twenty-five thousand, four hundred forty-two 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 400070431872 cubic inches would be around 614 feet tall.

Recreational maths with 400070431872

• 400070431872 backwards is 278134070004
• 400070431872 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 400070431872's digits is 36
• More coming soon!